Kaizen Timer vs Gym Timer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Kaizen Timer
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Kaizen Timer is a customizable interval timer for boxing, HIIT, Tabata, treadmill workouts, strength training, and more. Build simple workβrest 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
Gym Timer
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Train with precision. This workout timer is designed for focused HIIT, strength, and interval training. Whether you prefer audible alerts or silent vibration, the experience adapts to your environment so you can stay fully engaged in every session. The interface is clean and distraction-free, with clear work and rest timing that supports consistent performance. Create custom intervals, save routines, and repeat workouts effortlessly. Features β’ Sound or vibration training alerts β’ Work and rest interval timing β’ Quick-start workout presets β’ Custom routine builder β’ Large, readable timer display β’ Save and reuse workouts β’ Clean, focused interface Pro Upgrade Unlock advanced flexibility: β’ Unlimited custom presets β’ Expanded interval options β’ Persistent workout storage β’ Additional visual themes A single upgrade β no subscription required. Built for HIIT sessions, strength training, circuit workouts, and cardio intervals. Designed to support focus, consistency, and progress.
Screenshots
Verdict
The clearest difference is in-app purchases: Kaizen Timer at none against Gym Timer's 2. Kaizen Timer also leads on update cadence (every 3 days vs every 3 weeks). On price, ads, 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
Both are free to download. Gym Timer sells 2 in-app purchases, starting at $0.99 per month. Kaizen Timer asks for nothing beyond the download.
Kaizen Timer ships an update every 3 days, Gym Timer every 3 weeks. The most recent releases landed on September 14, 2026 and September 13, 2026 respectively.
| Parameter | Kaizen Timer | Gym Timer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days β better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 β better |
| Further details β not scored | ||
| Size | 3 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Stefan Dasic | Agustiyansyah Syam |
In-app purchases
Kaizen Timer
No in-app purchases
Gym Timer
- Gym Timer Pro$0.991 Month
- Gym Timer Pro$4.99
Questions
Is Kaizen Timer free?
Is Gym Timer free?
Do Kaizen Timer or Gym Timer have ads?
Which is updated more often, Kaizen Timer or Gym Timer?
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