# Interval Timer vs Shuttle Run Partner

The clearest difference is in-app purchases: Shuttle Run Partner at none against Interval Timer's 12. Shuttle Run Partner also leads on update cadence (weekly vs every 4 weeks) and device support (3 vs 1). Interval Timer's advantage is ads (none vs shown). On price and iOS requirement there is nothing between them.

Both are free to download. Interval Timer sells 12 in-app purchases, starting at $1.99 per month. Shuttle Run Partner asks for nothing beyond the download.

Interval Timer ships an update every 4 weeks, Shuttle Run Partner weekly. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Interval Timer | Shuttle Run Partner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.5K ratings)](https://appshunter.io/ios/app/interval-timer/id1610398390/reviews)** | — |
| Number of ratings | **3.5K** | — |
| Positive reviews | 66.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Subscription | — |
| Size | 243 MB | 33 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HIIT Apps Sp. z o.o.](https://appshunter.io/developer/1713395721) | [hyemin kim](https://appshunter.io/developer/1832605693) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer/id1610398390)

This app is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.

**Highlights:** Customizable interval settings, Voice assistant with text-to-speech, Music ducking for audio integration, Save custom workouts, Tabata, Rounds, Stopwatch modes, Apple Health integration

**Features:** Family Sharing, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intervals: monthly membership | $1.99 | per month |
| Intervals: membership | $3.99 | per 3 months |
| Intervals: monthly membership | $4.99 | per month |
| Intervals: yearly membership | $6.99 | per year |
| Intervals: yearly membership | $9.99 | per year |
| Intervals: yearly membership | $19.99 | per year |
| Intervals: yearly membership | $24.99 | per year |
| Intervals: membership | $24.99 | per year |
| Intervals \| PRO version | $14.99 | one-time |
| Intervals \| Membership | $14.99 | one-time |
| Intervals \| Membership | $34.99 | one-time |
| Intervals \| Membership | $39.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Customizable workouts
- 🚀 Versatile and efficient
- 🚀 Helpful voice prompts
- 👍 Seamless music integration

**What reviewers complain about**

- 🐛 Bugs causing lost workouts
- 🔋 High battery consumption
- 💰 Subscription-based model
- 🔒 Forced free trial
- 🐛 Timing issues with intervals

**Reported bugs**

- Workouts disappearing
- App crashes and freezes
- Timing issues with intervals

**Requested features**

- Apple Watch integration
- More customization options
- Additional audio cues and prompts
- Improved workout tracking and history


### Shuttle Run Partner

[App page](https://appshunter.io/ios/app/shuttle-run-partner/id6749873365)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is Shuttle Run Partner free?

Shuttle Run Partner is free to download, with no in-app purchases.

### Do Interval Timer or Shuttle Run Partner have ads?

Shuttle Run Partner shows ads; Interval Timer does not.

### Which is updated more often, Interval Timer or Shuttle Run Partner?

Interval Timer ships an update every 4 weeks, and Shuttle Run Partner weekly. Most recently, Interval Timer was updated on October 17, 2026 and Shuttle Run Partner on October 15, 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.*