# Interval Timer X Workout Timer vs Be Relentless

The clearest difference is ads: Be Relentless at none against Interval Timer X Workout Timer's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Interval Timer X Workout Timer sells 1 one-off in-app purchase and Be Relentless sells 1 in-app purchase, starting at $254.99 per month. Whichever you choose, the download price is not the number that matters.

Interval Timer X Workout Timer ships an update every 6 weeks, Be Relentless every 2 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Interval Timer X Workout Timer | Be Relentless |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (686 ratings)](https://appshunter.io/ios/app/interval-timer-x-workout-timer/id1448144846/reviews)** | — |
| Number of ratings | **686** | — |
| Positive reviews | 93.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 52 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [世恬 颜](https://appshunter.io/developer/1448144845) | [JAKE MALES](https://appshunter.io/developer/1790239898) |

## What reviewers say

### Interval Timer X Workout Timer

[App page](https://appshunter.io/ios/app/interval-timer-x-workout-timer/id1448144846)

This versatile timer helps you structure workouts, manage daily tasks, and achieve fitness goals. Customize routines, track progress with visual cues, and stay motivated with customizable sounds. Ideal for HIIT, Tabata, yoga, and more.

**Highlights:** Customizable workout routines, Standalone interval timer/counter, Routine combination feature, Customizable warning sounds, Intuitive interface with dark mode, Background usage support, Workout summary and history

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer X Premium | $6.99 | one-time |

**What reviewers like**

- 🚀 Interval timer
- 👍 Easy to use
- 👍 Customizable
- 👍 Useful for workouts
- 👍 Reliable

**What reviewers complain about**

- 💰 Ads in free version
- 🐛 Occasional bugs or crashes

**Reported bugs**

- Interval set index display issue
- Compatibility issues with older devices

**Requested features**

- Audio ducking for music playback
- Voice countdown
- Ability to store custom settings automatically
- Vibration option in addition to audio


### Be Relentless

[App page](https://appshunter.io/ios/app/be-relentless/id6740493545)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Wrestling PROCOACH | $254.99 | per month |


## Frequently asked questions

### Is Interval Timer X Workout Timer free?

Interval Timer X Workout Timer is free to download, with in-app purchases available.

### Is Be Relentless free?

Be Relentless is free to download, with in-app purchases available.

### Do Interval Timer X Workout Timer or Be Relentless have ads?

Interval Timer X Workout Timer shows ads; Be Relentless does not.

### Which is updated more often, Interval Timer X Workout Timer or Be Relentless?

Interval Timer X Workout Timer ships an update every 6 weeks, and Be Relentless every 2 months. Most recently, Interval Timer X Workout Timer was updated on October 8, 2026 and Be Relentless on October 1, 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.*