Interval Timer MAX vs DefectiveIntervalTimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer MAX
This app provides a customizable interval timer for various activities like workouts and meditation. It offers a selection of high-quality sounds to enhance your experience.
- Customizable interval timer
- Workout timer
- Meditation timer
- High-quality sound selection
- Simple interface
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A simple interval timer app for workouts, meditation, or anything else you need. Lots of high quality sounds to choose from.
DefectiveIntervalTimer
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NO ADS Defective Interval Timer makes it easy to create and run timed interval sessions for workouts, stretching, training, recovery, practice, and everyday activities. Choose your work time, rest time, number of rounds, and alert volume, then start the timer and follow clear visual, audio, vibration, and notification cues as you move through each interval. Use quick settings to build your own timing pattern or choose from included Northwick Fitness-inspired presets for endurance training, superset/power sessions, and pre- or post-workout stretching. FEATURES • Custom work and rest intervals • Up to 99 rounds • Quick timer setup • Northwick Fitness-inspired presets • Pause and resume controls • Hold-to-reset protection • Clear work, rest, paused, and finished indicators • Audio alerts for interval changes • Vibration feedback • Adjustable alert volume • Background interval notifications • Displays elapsed and total session time • Optional $1 Support Developer purchase • Works without an account • No internet connection required for timer use • No ads The optional Support Developer purchase does not unlock content, remove restrictions, change timer features, or provide any advantage. Whether you are exercising, stretching, studying, practicing, or completing timed tasks, Defective Interval Timer helps keep every session organized.
Screenshots
Verdict
The clearest difference is iOS requirement: Interval Timer MAX at 15.1 against DefectiveIntervalTimer's 26.5. On price, update cadence, ads and in-app purchases 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.
Interval Timer MAX ships an update every 5 weeks, DefectiveIntervalTimer every 3 weeks. The most recent releases landed on June 2, 2026 and September 19, 2026 respectively.
| Parameter | Interval Timer MAX | DefectiveIntervalTimer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 26.5 |
| Further details — not scored | ||
| Size | 81 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | ThaiGenius LLC | ROBERT ALLEN NORTHWICK |
In-app purchases
Interval Timer MAX
No in-app purchases
DefectiveIntervalTimer
No in-app purchases





