Comparison

Kaizen Timer vs YogaOS App

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

Head to head
About

Kaizen Timer

Features
Read full description

Kaizen Timer is a customizable interval timer for boxing, HIIT, Tabata, treadmill workouts, strength training, and more. Build simple work–rest intervals or create advanced multi-phase workouts that match exactly how you train. Start quickly with ready-made presets, or customize every phase, round, work period, and rest period. FEATURES β€’ Presets for popular training styles β€’ Fully customizable work and rest intervals β€’ Advanced phase sequencing for complex workouts β€’ Clear visual and audio timers β€’ Accurate round and phase tracking β€’ Reliable timing when backgrounded or locked β€’ Home Screen widgets for quick access β€’ Light and dark mode support β€’ Optional Apple Health integration for workouts and calorie estimation β€’ Export completed workouts β€’ Available in multiple languages, including: English, French, German, Italian, Russian, Spanish, Japanese, Chinese BUILT FOR CONSISTENCY Set your training intensity and let Kaizen Timer handle the structure. Timers stay accurate even during interruptions, helping you stay focused through every round. FREE TO USE All Kaizen Timer features are available for free. An optional support subscription helps fund ongoing development, but subscribing is never required to access features or content. Train smarter. Stay focused. Improve every round. Terms of Use: https://kaizentimerapp.com/terms.html Privacy Policy: https://kaizentimerapp.com/privacy.html

About

YogaOS App

Features
Read full description

YogaOS connects you directly to your yoga studio. β€’ Book classes and manage your personal timetable β€’ Track your class packages and credits in real time β€’ Watch live-style and on-demand video classes, wherever you are β€’ Message your studio directly β€’ Get notified about your bookings and studio updates Whether you practice in the studio or from home, YogaOS keeps you connected to your classes, your progress, and your community.

Screenshots

Kaizen Timer4 screens
YogaOS App4 screens

Verdict

The call

The clearest difference is in-app purchases: YogaOS App at none against Kaizen Timer's 1. YogaOS App also leads on iOS requirement (15.6 vs 17.6). Kaizen Timer's advantage is update cadence (every 3 days vs weekly). On price, ads and device support 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. Kaizen Timer sells 1 in-app purchase, starting at $0.99 per month. YogaOS App asks for nothing beyond the download.

UpkeepUpdate frequency

Kaizen Timer ships an update every 3 days, YogaOS App weekly. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

Scorecard3 real differences Β· 3 level
Kaizen Timer versus YogaOS App: the parameters behind the verdict, then further details
ParameterKaizen TimerYogaOS App
PriceFreeFree
Update frequencyEvery 3 days β€” betterWeekly
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.615.6 β€” better
Further details β€” not scored
Size3 MB10 MB
Age rating4+4+
DeveloperStefan DasicThousand Petaled Lotus Yoga Center

In-app purchases

1 purchases

Kaizen Timer

Subscriptions1
  • Support Kaizen Timer$0.991 Month
None

YogaOS App

No in-app purchases

Questions

Is Kaizen Timer free?
Kaizen Timer is free to download, with in-app purchases available.
Is YogaOS App free?
YogaOS App is free to download, with no in-app purchases.
Do Kaizen Timer or YogaOS App have ads?
Neither Kaizen Timer nor YogaOS App shows ads.
Which is updated more often, Kaizen Timer or YogaOS App?
Kaizen Timer ships an update every 3 days, and YogaOS App weekly. Most recently, Kaizen Timer was updated on November 9, 2026 and YogaOS App on November 6, 2026.

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