OA Coach vs Fix8
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OA Coach
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OA Coach is designed and developed for the University of Sydney's research team for the OA Coach Study to improve your management of osteoarthritis. Disclaimer: it is advised that you are to seek a doctor’s advice in addition to using this app and before making any medical decisions.
Fix8
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Fix8 is your kettlebell sport training sidekick; part rep counter, part training log, part AI nerd that will help you improve as an athlete. Built by lifters, for lifters, Fix8 helps you turn random training videos and scribbled notes into clear, structured feedback you can actually use. What you can do with Fix8 - Record your sets Capture your kettlebell sets right in the app so all your training footage lives in one place instead of “somewhere in my camera roll”. Track sets like a judge, not a guess Log key details for each session – event, bell weight, set duration, and pace – so you can see how today’s work stacks up against last week’s. See your training trends Get an at-a-glance view of volume and pace over time, helping you dial in when to push, when to hold, and when to chill before comp. Train smarter, not just harder Fix8 is built around kettlebell sport: long sets, cadence, fixation and efficiency. The app helps you stay honest with your technique and effort. Built for athletes Created with the sport in mind. Use it to simply track your reps, or use judging mode to improve your consistency. Designed for real-life lifters Travel, dodgy gym lighting, different platforms – Fix8 is made for the chaos of comp prep and everyday training, not just perfect studio conditions. If you love kettlebell sport, hate guessing, and want your training data to work as hard as you do, Fix8 is for you.
Screenshots
Verdict
The clearest difference is update cadence: Fix8 at every 2 weeks against OA Coach's every 15 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OA Coach ships an update every 15 months, Fix8 every 2 weeks. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.
| Parameter | OA Coach | Fix8 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 15 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 13 MB | 52 MB |
| Age rating | 17+ | 4+ |
| Developer | Vulsen | VALERIE Abbott |
In-app purchases
OA Coach
No in-app purchases
Fix8
No in-app purchases









