# Interval Timer vs Running Voice

The clearest difference is in-app purchases: Running Voice at none against Interval Timer's 12. Running Voice also leads on update cadence (weekly vs every 4 weeks). On price, ads, device support 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. Running Voice asks for nothing beyond the download.

Interval Timer ships an update every 4 weeks, Running Voice weekly. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Interval Timer | Running Voice |
| --- | --- | --- |
| 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 | 67.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Subscription | — |
| Size | 243 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HIIT Apps Sp. z o.o.](https://appshunter.io/developer/1713395721) | [Maksim Efremov](https://appshunter.io/developer/1842666296) |

## 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


### Running Voice

[App page](https://appshunter.io/ios/app/running-voice/id6755080384)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is Running Voice free?

Running Voice is free to download, with no in-app purchases.

### Do Interval Timer or Running Voice have ads?

Neither Interval Timer nor Running Voice shows ads.

### Which is updated more often, Interval Timer or Running Voice?

Interval Timer ships an update every 4 weeks, and Running Voice weekly. Most recently, Interval Timer was updated on September 25, 2026 and Running Voice on September 18, 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.*