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Introducing @POWR - Proof Of Workout over Relays! 💪 A local-first, open-source fitness app for Android and iOS supercharged by #Nostr What makes POWR special: - 📱 Local-first architecture: Log your fitness events offline with option to share your workout records on Nostr - 🔧 Create custom exercises and personalized workout templates - 📦 Download "POWR Packs" - NIP-51 lists containing workouts and their associated exercises to instantly expand your workout library In the works: - 🔐 Amber login for Android users - ⚡️and 🥜 - 🌐 Create and share your custom exercises (kind 33401) and workout templates (kind 33402) with the Nostr community - ⏱️ Enhanced workout tracking (rest timer, exercise reordering, unit customization) - 🏆 Custom workout types - support for CrossFit-style formats like AMRAP and EMOM beyond basic strength training Special thanks to @Terry Yiu @PABLOF7z @JeffG and @fiatjaf for their invaluable guidance during my 3-month journey working on POWR. Their support has been essential. POWR isn't close to what I hope it’ll become (yet), but as Pablo wisely told me: ship early! Look for the TestFlight and Zapstore release early next week, but please have patience with the release and updates… I’m a Nostr enthusiast, not a dev, and working full time as a physician. Devs: I'd love your feedback on my NIP proposal for workout event kinds, and if you’d like to contribute please reach out! POWR On! 💪
GitHub
Add NIP-101e: Workout Events by DocNR · Pull Request #1816 · nostr-protocol/nips
NIP-101e: Workout Events This NIP proposes a standardized way to represent fitness and workout data in Nostr, including: Exercise Templates (kind:...

Replies (55)

More OtherStuff incoming!! 🤝
⚡️ᗪㄖ匚⚡️'s avatar ⚡️ᗪㄖ匚⚡️
Introducing @POWR - Proof Of Workout over Relays! 💪 A local-first, open-source fitness app for Android and iOS supercharged by #Nostr What makes POWR special: - 📱 Local-first architecture: Log your fitness events offline with option to share your workout records on Nostr - 🔧 Create custom exercises and personalized workout templates - 📦 Download "POWR Packs" - NIP-51 lists containing workouts and their associated exercises to instantly expand your workout library In the works: - 🔐 Amber login for Android users - ⚡️and 🥜 - 🌐 Create and share your custom exercises (kind 33401) and workout templates (kind 33402) with the Nostr community - ⏱️ Enhanced workout tracking (rest timer, exercise reordering, unit customization) - 🏆 Custom workout types - support for CrossFit-style formats like AMRAP and EMOM beyond basic strength training Special thanks to @Terry Yiu @PABLOF7z @JeffG and @fiatjaf for their invaluable guidance during my 3-month journey working on POWR. Their support has been essential. POWR isn't close to what I hope it’ll become (yet), but as Pablo wisely told me: ship early! Look for the TestFlight and Zapstore release early next week, but please have patience with the release and updates… I’m a Nostr enthusiast, not a dev, and working full time as a physician. Devs: I'd love your feedback on my NIP proposal for workout event kinds, and if you’d like to contribute please reach out! POWR On! 💪
GitHub
Add NIP-101e: Workout Events by DocNR · Pull Request #1816 · nostr-protocol/nips
NIP-101e: Workout Events This NIP proposes a standardized way to represent fitness and workout data in Nostr, including: Exercise Templates (kind:...
View quoted note →
I use True Coach, and it’s great. but (like most centralised for profit apps, theres a catch), my workouts are locked to my trainer and the trainer needs to willingly pass that history onto another if I leave him. So, incentives could be malaligned upon a bad breakup. I’d like to see your app satisfy the need for trainers to have a robust backend for workout creation, but allow users to own their data.
↩ replying to npub1fz60...lmj0
Thanks for sharing your experience with True Coach. When I first started working on POWR I was talking about it with @PABLOF7z and he had the same pain points you’ve highlighted and it’s one of the problems I aimed to solve. POWR absolutely satisfies the walled garden issue by decentralizing both workout creation and data “ownership”. The POWR Pack functionality (using NIP-51 lists) allows anyone (including trainers) to create and share custom exercises, workouts, and even full programs that clients can import directly. The key difference with POWR is that your workout data is controlled by YOU, not locked in a trainer's account. Your workout history is tied to your npub via signed workout records regardless of trainer changes. I hope that in the future myself and others interested in the topic will build professional-quality programming tools for trainers and gyms. I built POWR specifically to address that misalignment of incentives you mentioned. Built on Nostr, both clients and trainers maintain their independence while still being able to collaborate effectively. Sats and nuts 🥜 will flow frictionlessly peer to peer and centralized middlemen like True Coach can be circumvented. If you have a few minutes please check out the Nip spec that I wrote which lays out the different event kinds. What I’ve built so far is a proof-of-concept that demonstrates this can work. I hope to get POWR to the point where it’s a slick app that anyone will find useful whether they understand the importance of Nostr or not.
↩ replying to ⚡️ᗪㄖ匚⚡️
I’ve logged about 250 workouts on True Coach. Upon signup, True Coach does not make it clear to clients that data is locked to trainers. My trainer actually told me “True Coach is one of the services I provide”… even though *I* pay for the app, and I’m the one who performed and input those reps—but this is how they think. Was thinking about how to incentivize trainers to switch to a platform that removes their ability to hold client data hostage. The answer: Forget them, they are entrenched and massively incentivized. The answer, build a network of ball-sunning bitcoiner trainers by capitalizing on alignment with community ethos. Best of luck: I can’t wait for POWR to help me get through those dips.
↩ replying to npub1fz60...lmj0
Dude, laughing my ass off right now. Powr, where the ball sunning chads go to train 🤣 But yes… I’m a big believer in V4V. Provide good content and services and with enough of a network effect you should get rewarded. The hard part is bootstrapping the user base here on nostr. Which is why I want this app to be awesome for anyone to use, whether they are new to Nostr or not.
This sort of Nostr app has been discussed for a while. I'm super excited to see it coming to life. Hell yeah Doc!
⚡️ᗪㄖ匚⚡️'s avatar ⚡️ᗪㄖ匚⚡️
Introducing @POWR - Proof Of Workout over Relays! 💪 A local-first, open-source fitness app for Android and iOS supercharged by #Nostr What makes POWR special: - 📱 Local-first architecture: Log your fitness events offline with option to share your workout records on Nostr - 🔧 Create custom exercises and personalized workout templates - 📦 Download "POWR Packs" - NIP-51 lists containing workouts and their associated exercises to instantly expand your workout library In the works: - 🔐 Amber login for Android users - ⚡️and 🥜 - 🌐 Create and share your custom exercises (kind 33401) and workout templates (kind 33402) with the Nostr community - ⏱️ Enhanced workout tracking (rest timer, exercise reordering, unit customization) - 🏆 Custom workout types - support for CrossFit-style formats like AMRAP and EMOM beyond basic strength training Special thanks to @Terry Yiu @PABLOF7z @JeffG and @fiatjaf for their invaluable guidance during my 3-month journey working on POWR. Their support has been essential. POWR isn't close to what I hope it’ll become (yet), but as Pablo wisely told me: ship early! Look for the TestFlight and Zapstore release early next week, but please have patience with the release and updates… I’m a Nostr enthusiast, not a dev, and working full time as a physician. Devs: I'd love your feedback on my NIP proposal for workout event kinds, and if you’d like to contribute please reach out! POWR On! 💪
GitHub
Add NIP-101e: Workout Events by DocNR · Pull Request #1816 · nostr-protocol/nips
NIP-101e: Workout Events This NIP proposes a standardized way to represent fitness and workout data in Nostr, including: Exercise Templates (kind:...
View quoted note →
what a great name! great concept! I can't wait to see how this app evolves in about two years when I can start thinking about lifting heavy again 💪
⚡️ᗪㄖ匚⚡️'s avatar ⚡️ᗪㄖ匚⚡️
Introducing @POWR - Proof Of Workout over Relays! 💪 A local-first, open-source fitness app for Android and iOS supercharged by #Nostr What makes POWR special: - 📱 Local-first architecture: Log your fitness events offline with option to share your workout records on Nostr - 🔧 Create custom exercises and personalized workout templates - 📦 Download "POWR Packs" - NIP-51 lists containing workouts and their associated exercises to instantly expand your workout library In the works: - 🔐 Amber login for Android users - ⚡️and 🥜 - 🌐 Create and share your custom exercises (kind 33401) and workout templates (kind 33402) with the Nostr community - ⏱️ Enhanced workout tracking (rest timer, exercise reordering, unit customization) - 🏆 Custom workout types - support for CrossFit-style formats like AMRAP and EMOM beyond basic strength training Special thanks to @Terry Yiu @PABLOF7z @JeffG and @fiatjaf for their invaluable guidance during my 3-month journey working on POWR. Their support has been essential. POWR isn't close to what I hope it’ll become (yet), but as Pablo wisely told me: ship early! Look for the TestFlight and Zapstore release early next week, but please have patience with the release and updates… I’m a Nostr enthusiast, not a dev, and working full time as a physician. Devs: I'd love your feedback on my NIP proposal for workout event kinds, and if you’d like to contribute please reach out! POWR On! 💪
GitHub
Add NIP-101e: Workout Events by DocNR · Pull Request #1816 · nostr-protocol/nips
NIP-101e: Workout Events This NIP proposes a standardized way to represent fitness and workout data in Nostr, including: Exercise Templates (kind:...
View quoted note →
We need more of this Next one on my list: Todoist/ticktick equivalent. I swear I'm bout to hire a developer ad hoc to build this for me
⚡️ᗪㄖ匚⚡️'s avatar ⚡️ᗪㄖ匚⚡️
Introducing @POWR - Proof Of Workout over Relays! 💪 A local-first, open-source fitness app for Android and iOS supercharged by #Nostr What makes POWR special: - 📱 Local-first architecture: Log your fitness events offline with option to share your workout records on Nostr - 🔧 Create custom exercises and personalized workout templates - 📦 Download "POWR Packs" - NIP-51 lists containing workouts and their associated exercises to instantly expand your workout library In the works: - 🔐 Amber login for Android users - ⚡️and 🥜 - 🌐 Create and share your custom exercises (kind 33401) and workout templates (kind 33402) with the Nostr community - ⏱️ Enhanced workout tracking (rest timer, exercise reordering, unit customization) - 🏆 Custom workout types - support for CrossFit-style formats like AMRAP and EMOM beyond basic strength training Special thanks to @Terry Yiu @PABLOF7z @JeffG and @fiatjaf for their invaluable guidance during my 3-month journey working on POWR. Their support has been essential. POWR isn't close to what I hope it’ll become (yet), but as Pablo wisely told me: ship early! Look for the TestFlight and Zapstore release early next week, but please have patience with the release and updates… I’m a Nostr enthusiast, not a dev, and working full time as a physician. Devs: I'd love your feedback on my NIP proposal for workout event kinds, and if you’d like to contribute please reach out! POWR On! 💪
GitHub
Add NIP-101e: Workout Events by DocNR · Pull Request #1816 · nostr-protocol/nips
NIP-101e: Workout Events This NIP proposes a standardized way to represent fitness and workout data in Nostr, including: Exercise Templates (kind:...
View quoted note →
↩ replying to lemon
My “Tech Stack" - Three paid versions of Claude 3.7 working in parallel. Claude, Claudia and Claudette. Some custom MCPTools used to query forked local versions of NDK, Olas and the Nostr repo. Thank you @Gzuuus for turning me onto MCP tools! - React Native + Expo framework (after many failed attempts) - Mercilessly bothering @PABLOF7z @Terry Yiu @JeffG and @hzrd149 until they answered my questions. Sorry @hzrd149 - forgot to tag you on the OP but your advice on my nip proposal was extremely helpful! - NDK and NDK Mobile (with all their quirks and little documentation 🤣) - Olas as my "good example" of a react native project - Dangerous amounts of coffee. Giving up stuff like Netflix and coding instead. - Pure stubbornness when I wanted to smash my computer - Stack Overflow, YouTube, GitHub. TestFlight coming soon! Just need to fix a few "minor" issues first.​​​​​​​​​​​​​​​​ No surprises but it’s more intimidating navigating the stupid fucking App Store than building the app.
🛡️
It says a lot about how much potential Nostr has when a full-time physician can ship a fully functional (and damn nice looking) app. Nostr's super power has always been the simplicity and left-curve nature of the spec. GM @fiatjaf , I see you. AI is going to supercharge this pattern and we're going to have thousands of apps catering to all sorts of niches. View quoted note →
ignites, a pulsing fire,Muscles coil with raw desire,A workout’s proof, its thunder rolls,Outshines the relay’s fleeting goals. Relays click, they pass the spark,A fleeting charge through circuits dark,Or runners dash, baton in hand,A fleeting race across the land. But power builds in steady strain,Through every rep, through every pain,No handoff halts its iron reign,A force no relay can contain. The wire hums, the signal flies,Yet strength ascends where effort lies,A workout carves what relays chase,Endurance wins the timeless race.
Could you add an alt-tag and nip-89 to your kinds? Once you are up and running, i'd also advice to see if you can write a quick 'n dirty npub.pro thingy such that people can display stuff on their webpage.
↩ replying to ⚡️ᗪㄖ匚⚡️
What the particular npub.pro page looks like is indeed determined by the owner, and yes it would require an implementation on the npub.pro side; a minimal viable render should be fairly easy to write and then you can request @brugeman to add it is what i am saying :). Generally implementing a kind in other clients is not your concern, but giving users atleast an option outside of your own client (especially if its the first and therefor only implementation), and in this case a fairly 'universal' one in the form a webpage. Its not so much about npub.pro specifically, it could be something else as well. It also is yet another example implementation/render, that developers can have a look at/take inspiration from, especially because its outside of the particular usecase-client context. I.e. 'how would/could i display these exercise things in my not-exercise client'.
↩ replying to Constant
Sounds like a fantastic idea. But I’m working on powr alone right now and focused on getting the Android and iOS mvp out first. I’ll keep it in mind though and try to work on something like that in the future once I have a stable version of the app out. Meanwhile, the draft of the spec I wrote is available if you wanted to start to work on something like this. I’m not planning on deviating much from the spec and you could send a pull request to Brugeman. Cheers!
GitHub
Add NIP-101e: Workout Events by DocNR · Pull Request #1816 · nostr-protocol/nips
NIP-101e: Workout Events This NIP proposes a standardized way to represent fitness and workout data in Nostr, including: Exercise Templates (kind:...
===================================== #9 🛠️ Tools, Updates, and Releases ===================================== 1. POWR (Proof Of Workout over Relays) - New Tool POWR (Proof Of Workout over Relays) is a local-first, open-source fitness app for Android and iOS, built on Nostr for decentralized workout tracking. Users can log workouts offline, create custom exercises and templates, and share their progress on Nostr. The app supports POWR Packs (NIP-51 lists) to expand workout libraries instantly. Upcoming features include Amber login for Android, enhanced workout tracking (timers, reordering, unit customization) and CrossFit-style formats like AMRAP/EMOM. POWR aims to redefine fitness tracking with a decentralized, community-driven approach. Developed by: @⚡️ᗪㄖ匚⚡️ Source: View quoted note →
GitHub
GitHub - DocNR/POWR: Cross-platform fitness tracking app built with React Native and Expo. Features local-first architecture with planned Nostr protocol integration for decentralized social features.
Cross-platform fitness tracking app built with React Native and Expo. Features local-first architecture with planned Nostr protocol integration for...
 2. Bookstr - A Simple Goodreads Alternative on Nostr - New Tool Bookstr is a Goodreads style app on Nostr that lets users discover, track, and discuss books using the Open Library API for book data. Built on a decentralized and open network, it enables social interactions around books without platform restrictions. The concept can extend to music, movies, and games, creating a broader content-sharing ecosystem on Nostr. Developed by: @MK Fain @Alex Gleason Source:
GitHub
GitHub - marykatefain/bookstr
Contribute to marykatefain/bookstr development by creating an account on GitHub.
 3. Yumyume - Version 0.4.0 - Duck Breast with Orange Glaze @yumyume is a Nostr based social bookmarking tool, just got a flavorful release. This release named “Duck Breast with Orange Glaze” and introduces a Bookmarklet for instant bookmarking from any webpage, optimized relay handling (NIP-65) for smoother performance, expandable comments for more context and a global feed on the homepage for quick access to the latest bookmarks. The concept is from @Jurjen de Vries. To support its growth, contributions to the @Geyser campaign are encouraged, with rewards available for even less than the cost of a yearly Pinboard subscription.
Geyser | Bitcoin Crowdfunding Platform
A Bitcoin crowdfunding platform where creators raise funds for causes, sell products, manage campaigns, and engage with their community.
 Developed by: @npub1zqca...uza5 Source:
GitLab
0.4.0 – Duck Breast with Orange Glaze · Digital Ethics Agency / Nostr / yumyume · GitLab
🍽️ Release Notes: Version 0.4.0 – Duck Breast with Orange Glaze A rich new flavor has arrived in Yumyume!...
 4. Yana - v0.16.0 Yana is a nostr client focused on performance in slower devices and modularity of features. This release introduces 1-click Alby connection (NWC), relay authentication (NIP-42), and improved relay stability. Users can now upload media via Blossom, watch videos in fullscreen, and enjoy better reaction icons. Additionally, long posts are now trimmed with a "show more" option for better readability. Developed by: @fmar Source:
GitHub
Release Release v0.16.0 · frnandu/yana
What's Changed NWC alby go 1-click connection by @frnandu in #115 Outbox relay set calculation progress by @frnandu in #120 Long posts should be c...
 5. Coracle - 0.6.9 Coracle is an experimental Nostr client designed to leverage multiple relays for a more customizable and curated experience. This release brings improved collection loading, fixes for image paste uploads, and better handling of quote-addressable events. Additionally, Nostr-tools have been updated to resolve nostrcheck upload issues, and users will now see an error message if a DM fails to send. Developed by: @ hodlbod Source:
GitHub
Release 0.6.9 · coracle-social/coracle
What's Changed Fix collection loading Fix image paste uploading Quote addressable events by address rather than nevent Bump nostr-tools to fix nos...
 #tools_nostr_recap
Let's go 🚀
⚡️ᗪㄖ匚⚡️'s avatar ⚡️ᗪㄖ匚⚡️
Introducing @POWR - Proof Of Workout over Relays! 💪 A local-first, open-source fitness app for Android and iOS supercharged by #Nostr What makes POWR special: - 📱 Local-first architecture: Log your fitness events offline with option to share your workout records on Nostr - 🔧 Create custom exercises and personalized workout templates - 📦 Download "POWR Packs" - NIP-51 lists containing workouts and their associated exercises to instantly expand your workout library In the works: - 🔐 Amber login for Android users - ⚡️and 🥜 - 🌐 Create and share your custom exercises (kind 33401) and workout templates (kind 33402) with the Nostr community - ⏱️ Enhanced workout tracking (rest timer, exercise reordering, unit customization) - 🏆 Custom workout types - support for CrossFit-style formats like AMRAP and EMOM beyond basic strength training Special thanks to @Terry Yiu @PABLOF7z @JeffG and @fiatjaf for their invaluable guidance during my 3-month journey working on POWR. Their support has been essential. POWR isn't close to what I hope it’ll become (yet), but as Pablo wisely told me: ship early! Look for the TestFlight and Zapstore release early next week, but please have patience with the release and updates… I’m a Nostr enthusiast, not a dev, and working full time as a physician. Devs: I'd love your feedback on my NIP proposal for workout event kinds, and if you’d like to contribute please reach out! POWR On! 💪
GitHub
Add NIP-101e: Workout Events by DocNR · Pull Request #1816 · nostr-protocol/nips
NIP-101e: Workout Events This NIP proposes a standardized way to represent fitness and workout data in Nostr, including: Exercise Templates (kind:...
View quoted note →