# Ultra Intervals Workout Timer vs Box Timer

The clearest difference is rating: Box Timer at 4.9 against Ultra Intervals Workout Timer's 4.5. Box Timer also leads on ratings volume (2.9K vs 4). Ultra Intervals Workout Timer's advantage is update cadence (every 6 days vs monthly) and iOS requirement (13.0 vs 18). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Box Timer holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Box Timer has 2.9K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 89% of Ultra Intervals Workout Timer's written reviews are positive against 93% of Box Timer's.

Ultra Intervals Workout Timer ships an update every 6 days, Box Timer monthly. The most recent releases landed on September 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Ultra Intervals Workout Timer | Box Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/ultra-intervals-workout-timer/id1486825021/reviews) | **[4.9 (2.9K ratings)](https://appshunter.io/ios/app/box-timer-simple-wod-clock/id1547518531/reviews)** |
| Number of ratings | 4 | **2.9K** |
| Positive reviews | 88.9% of reviews | **93.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Free | Free |
| Size | 9 MB | 7 MB |
| Requires iOS | **13.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tapio Kuusisto](https://appshunter.io/developer/978979861) | [Edvin Linden](https://appshunter.io/developer/1472363182) |

## What reviewers say

### Ultra Intervals Workout Timer

[App page](https://appshunter.io/ios/app/ultra-intervals-workout-timer/id1486825021)

Create and customize interval training routines with simple text input. This app guides you through workouts with spoken cues, sound alerts, and large visual displays, allowing you to focus on your exercise. It supports various training styles like HIIT and Tabata, and can even manage music playback during sessions.

**Highlights:** Create custom interval workouts using plain text, Spoken exercise names, times, and notifications, Customizable sound cues and visual displays, Support for HIIT, Tabata, and circuit training, Mix timed and non-timed workout sections, Music ducking for notifications, Pre-loaded sample workouts

**Features:** macOS Compatibility

**In-app purchases:** none


### Box Timer

[App page](https://appshunter.io/ios/app/box-timer-simple-wod-clock/id1547518531)

This app provides a simple, distraction-free timer designed for intense training sessions like CrossFit, HIIT, and functional fitness. It features a massive, high-contrast display, customizable interval options, and seamless audio cue integration with music apps. All workouts are automatically saved for easy tracking and reuse.

**Highlights:** Massive, high-contrast display, Supports AMRAP, EMOM, For Time, Tabata, Customizable work/rest intervals and rounds, Works with music apps, clear audio cues, Automatic workout history and reuse, Background operation and screen lock support, No ads or sign-up required

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Simple and straightforward
- 🔒 No ads or subscriptions
- 👍 Intuitive and easy to use
- 👍 Excellent for home workouts
- 👍 Minimalistic and focused design

**What reviewers complain about**

- 🐛 Issues with UI and timer controls on some devices
- 🐛 Lack of sound options or countdown beeps
- 🐛 Inability to adjust times without resetting the workout

**Reported bugs**

- Timer not functioning properly in landscape mode
- Review prompt interfering with timer operation
- Compatibility issues on certain iPad models

**Requested features**

- Round count display during rest periods
- Customizable countdown beeps or sounds
- Ability to save and load custom timer settings
- Apple Watch app support


## Frequently asked questions

### Is Ultra Intervals Workout Timer free?

Ultra Intervals Workout Timer is free to download, with no in-app purchases.

### Is Box Timer free?

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

### Which has better reviews, Ultra Intervals Workout Timer or Box Timer?

Box Timer is rated higher. Ultra Intervals Workout Timer averages 4.5 out of 5 from 4 ratings, while Box Timer averages 4.9 from 2.9K ratings.

### Do Ultra Intervals Workout Timer or Box Timer have ads?

Neither Ultra Intervals Workout Timer nor Box Timer shows ads.

### Which is updated more often, Ultra Intervals Workout Timer or Box Timer?

Ultra Intervals Workout Timer ships an update every 6 days, and Box Timer monthly. Most recently, Ultra Intervals Workout Timer was updated on September 19, 2026 and Box Timer on October 14, 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.*