# Box Timer vs Called To B

The clearest difference is ads: Box Timer at none against Called To B's shown. Called To B's advantage is iOS requirement (16.2 vs 18). On price, update cadence, in-app purchases and device support 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 ships an update monthly, Called To B every 6 weeks. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Box Timer | Called To B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (2.9K ratings)](https://appshunter.io/ios/app/box-timer-simple-wod-clock/id1547518531/reviews)** | — |
| Number of ratings | **2.9K** | — |
| Positive reviews | 93.2% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 7 MB | 85 MB |
| Requires iOS | 18 | **16.2** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Edvin Linden](https://appshunter.io/developer/1472363182) | [Called to B](https://appshunter.io/developer/1839214405) |

## What reviewers say

### 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


### Called To B

[App page](https://appshunter.io/ios/app/called-to-b/id6752393891)

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

**In-app purchases:** none


## Frequently asked questions

### Is Box Timer free?

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

### Is Called To B free?

Called To B is free to download, with no in-app purchases.

### Do Box Timer or Called To B have ads?

Called To B shows ads; Box Timer does not.

### Which is updated more often, Box Timer or Called To B?

Box Timer ships an update monthly, and Called To B every 6 weeks. Most recently, Box Timer was updated on September 24, 2026 and Called To B on September 9, 2026.

---

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