Comparison

OA Coach vs Fix8

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OA Coach

Features
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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.

About

Fix8

Features
Read full description

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

OA Coach4 screens
Fix83 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 5 level
OA Coach versus Fix8: the parameters behind the verdict, then further details
ParameterOA CoachFix8
PriceFreeFree
Update frequencyEvery 15 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size13 MB52 MB
Age rating17+4+
DeveloperVulsenVALERIE Abbott

In-app purchases

None

OA Coach

No in-app purchases

None

Fix8

No in-app purchases

Questions

Is OA Coach free?
OA Coach is free to download, with no in-app purchases.
Is Fix8 free?
Fix8 is free to download, with no in-app purchases.
Do OA Coach or Fix8 have ads?
Neither OA Coach nor Fix8 shows ads.
Which is updated more often, OA Coach or Fix8?
OA Coach ships an update every 15 months, and Fix8 every 2 weeks. Most recently, OA Coach was updated on September 22, 2026 and Fix8 on September 15, 2026.

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