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pumptrace
Strength tracker. No cloud, no account. Just your phone.
Most fitness apps sync your training data to servers you don't control. PumpTrace doesn't. No cloud, no account, no analytics — everything stays on your phone in a local SQLite database. 873 hand-curated exercise illustrations (start + end positions), auto-progression, RPE logging, plate calculator, Hevy CSV import. Free with limits or CHF 90 one-time lifetime purchase. Built by a Swiss solo dev in 6 months.
Top comment
Hey Product Hunt! 👋 I'm Dumeni, solo dev from Graubünden, Switzerland. I built PumpTrace because I wanted a strength tracker where my training data stays on my phone — and nowhere else. **The exercise illustration problem** 873 exercises needed start + end position illustrations. Existing packs were inconsistent, expensive, or had license restrictions. So I built a pipeline: reference photos → Kie.ai (GPT-Image-2) for black-and-orange silhouettes → composited with sharp.js → palette-16 PNG compression. Result: 800 MB raw down to 80 MB bundled in the app. **Why offline-only?** I wanted an app I can use for 10+ years. Companies pivot, get acquired, shut down servers. If the app works completely offline, none of that matters. The only network call is the RevenueCat Pro entitlement check. If you uninstall, your data is gone. That's the point. **Pricing** Free with hard limits. Pro removes everything — CHF 5/month, CHF 40/year, or CHF 90 one-time lifetime. In a world of endless subscriptions, I wanted to offer a real one-time option. **Tech:** React Native + Expo SDK 54, SQLite on-device, EAS Build, Swiss VPS. Happy to answer anything — the AI image pipeline, offline architecture, or why React Native over native.
About pumptrace on Product Hunt
“Strength tracker. No cloud, no account. Just your phone.”
pumptrace was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #146 on the daily leaderboard. Most fitness apps sync your training data to servers you don't control. PumpTrace doesn't. No cloud, no account, no analytics — everything stays on your phone in a local SQLite database. 873 hand-curated exercise illustrations (start + end positions), auto-progression, RPE logging, plate calculator, Hevy CSV import. Free with limits or CHF 90 one-time lifetime purchase. Built by a Swiss solo dev in 6 months.
On the analytics side, pumptrace competes within Android, Privacy and Fitness — topics that collectively have 70.1k followers on Product Hunt. The dashboard above tracks how pumptrace performed against the three products that launched closest to it on the same day.
Who hunted pumptrace?
pumptrace was hunted by Dumeni Cavegn. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of pumptrace including community comment highlights and product details, visit the product overview.