# Best Interval Timer vs Custom Interval Timers

The clearest difference is rating: Custom Interval Timers at 5.0 against Best Interval Timer's 4.6. Custom Interval Timers also leads on update cadence (every 4 months vs every 12 months) and review sentiment (100% vs 89%). Best Interval Timer's advantage is ratings volume (81 vs 14). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Custom Interval Timers holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Best Interval Timer has 81 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 89% of Best Interval Timer's written reviews are positive against 100% of Custom Interval Timers's.

Best Interval Timer ships an update every 12 months, Custom Interval Timers every 4 months. The most recent releases landed on October 2, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Best Interval Timer | Custom Interval Timers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (81 ratings)](https://appshunter.io/ios/app/best-interval-timer/id547542742/reviews) | **[5.0 (14 ratings)](https://appshunter.io/ios/app/custom-interval-timers/id1552160706/reviews)** |
| Number of ratings | **81** | 14 |
| Positive reviews | 89.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 4 months** |
| Monetization | Ad-supported | Ad-supported |
| Size | 19 MB | 40 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [倩 赵](https://appshunter.io/developer/376557917) | [Alex Rich](https://appshunter.io/developer/1030627712) |

## What reviewers say

### Best Interval Timer

[App page](https://appshunter.io/ios/app/best-interval-timer/id547542742)

This app acts as your personal coach, guiding you through workouts with customizable routines. Focus on your exercise while it manages timing for warm-up, high/low intensity intervals, cool-downs, and rest periods.

**Highlights:** Customizable workout routines, Warm-up, intensity, cool-down, rest periods, Background and multitasking support, Adjustable interval sounds and vibrations, Workout practice tracking, Landscape and portrait orientation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Simple and functional
- 👍 Free
- 👍 Customizable intervals
- 👍 Works in background

**What reviewers complain about**

- 🐛 Too many ads
- 🐛 Limited programmable routines (free version)
- 🐛 Ads block screen in landscape
- 🐛 Small numbers hard to read
- 🐛 Side view unusable

**Reported bugs**

- App stops working after rating notification
- Buttons don't work after rating notification
- Crashes when saving timers
- Crashes when editing exercises
- Freezes and stops working

**Requested features**

- Ability to save multiple intervals/routines
- Voice cues for start/stop
- Apple Watch compatibility
- Larger buttons and text
- Option to save different schedules (e.g., Tabata)


### Custom Interval Timers

[App page](https://appshunter.io/ios/app/custom-interval-timers/id1552160706)

Design personalized interval timers for workouts or productivity. Its intuitive editor allows for custom flows with various settings like countdowns and personalized interfaces. Offers light/dark modes and an option to disable ads.

**Highlights:** Customizable interval flows, Intuitive timer editor, Count up or down timers, Personalized running interface, Light/dark mode, Ad-free option

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Best Interval Timer free?

Best Interval Timer is free to download, with no in-app purchases.

### Is Custom Interval Timers free?

Custom Interval Timers is free to download, with no in-app purchases.

### Which has better reviews, Best Interval Timer or Custom Interval Timers?

Custom Interval Timers is rated higher. Best Interval Timer averages 4.6 out of 5 from 81 ratings, while Custom Interval Timers averages 5.0 from 14 ratings.

### Do Best Interval Timer or Custom Interval Timers have ads?

Both Best Interval Timer and Custom Interval Timers show ads.

### Which is updated more often, Best Interval Timer or Custom Interval Timers?

Best Interval Timer ships an update every 12 months, and Custom Interval Timers every 4 months. Most recently, Best Interval Timer was updated on October 2, 2026 and Custom Interval Timers on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*