Comparison

FormaFit vs kach

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

Head to head
About

FormaFit

Features
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The Official FormaFit app. We help people early in their fitness journey burn 10+ lbs of fat while building muscle! * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

About

kach

Features
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kach is a no-nonsense gym tracker for people who count reps, not followers.n n BUILT FOR IPHONE DUOn β€’ Unfold it and the workout splits on the hinge: exercises on one side, sets on the othern β€’ Folded, tabs and back sit in the side stripn β€’ Turn any iPhone on its side for the same two-pane viewn n PLAN ANY ROUTINEn β€’ Start from a proven template or build your own splitn β€’ Name your days, set weight, reps and rest your wayn β€’ 870+ exercises, plus your own custom movementsn n LOG EVERY SET, FASTn β€’ Sets pre-filled from your plan β€” tap to confirmn β€’ Supersets, drop sets, warm-ups and AMRAP, all first-classn β€’ Swap an exercise if a machine's taken, or add one on the flyn β€’ Built-in plate calculator for any bar and the plates you ownn n WATCH YOUR STRENGTH CLIMBn β€’ Per-exercise history, estimated 1RM trends and personal recordsn β€’ Weekly volume, calories and live heart raten β€’ Body measurements with progress photos and videosn n ON YOUR WRISTn β€’ Apple Watch companion: current set, rest timer and heart raten β€’ Log a full workout without your phonen n YOURS, ON YOUR DEVICEn β€’ No sign-up and no cloud lock-in β€” your training stays on your phonen β€’ Syncs with Apple Health and Apple Watchn β€’ Works offlinen n kach is free to download and use β€” no subscription. A short ad plays before each workout starts.

Screenshots

FormaFit3 screens
kach4 screens

Verdict

The call

The clearest difference is in-app purchases: FormaFit at none against kach's 1. FormaFit also leads on ads (none vs shown). kach's advantage is update cadence (every 2 days vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. kach sells 1 one-off in-app purchase. FormaFit asks for nothing beyond the download.

UpkeepUpdate frequency

FormaFit ships an update every 6 weeks, kach every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences Β· 3 level
FormaFit versus kach: the parameters behind the verdict, then further details
ParameterFormaFitkach
PriceFreeFree
Update frequencyEvery 6 weeksEvery 2 days β€” better
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPod, Apple Watch
Requires iOS15.015.0
Further details β€” not scored
Size58 MB100 MB
Age rating17+4+
DeveloperBrandon MoncadaBoris Varshavskii

In-app purchases

None

FormaFit

No in-app purchases

1 purchases

kach

One-time1
  • Remove ads$7.99

Questions

Is FormaFit free?
FormaFit is free to download, with no in-app purchases.
Is kach free?
kach is free to download, with in-app purchases available.
Do FormaFit or kach have ads?
kach shows ads; FormaFit does not.
Which is updated more often, FormaFit or kach?
FormaFit ships an update every 6 weeks, and kach every 2 days. Most recently, FormaFit was updated on October 30, 2026 and kach on October 31, 2026.

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