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SpotterFuel
Same-muscle swaps when equipment is taken
SpotterFuel is an iPhone app for crowded gyms. Pick the muscle and exercise you planned, mark blocked equipment, and get practical same-muscle alternatives with sets, reps, equipment, and coaching cues. No account required.
Hi Product Hunt - I built SpotterFuel for a small but constant gym problem: the exercise you planned often depends on equipment someone else is already using.
Instead of rebuilding the whole workout, SpotterFuel lets you pick the muscle and planned exercise, mark the station that is busy or unavailable, and get same-muscle swaps you can do now. The app covers 119 exercises across 17 muscle groups and 16 equipment types, with sets, reps, equipment, and cues so the replacement still feels intentional.
What is live today:
- iPhone app on the App Store
- Same-muscle swap flow for crowded gyms
- Focused exercise library
- No account required
- Free access to the best reroute, with an optional lifetime Pro unlock for the full reroute list
I am especially looking for feedback from people who train at crowded commercial gyms: when your planned equipment is taken, what makes a backup exercise trustworthy enough to use right away?
About SpotterFuel on Product Hunt
“Same-muscle swaps when equipment is taken”
SpotterFuel was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #160 on the daily leaderboard. SpotterFuel is an iPhone app for crowded gyms. Pick the muscle and exercise you planned, mark blocked equipment, and get practical same-muscle alternatives with sets, reps, equipment, and coaching cues. No account required.
On the analytics side, SpotterFuel competes within Health & Fitness and Apple — topics that collectively have 98.2k followers on Product Hunt. The dashboard above tracks how SpotterFuel performed against the three products that launched closest to it on the same day.
Who hunted SpotterFuel?
SpotterFuel was hunted by Bui Trong Khanh Duy. 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 SpotterFuel including community comment highlights and product details, visit the product overview.
Bui Trong Khanh Duy