# Interval Timer vs Run Bitty Run

The clearest difference is in-app purchases: Run Bitty Run at none against Interval Timer's 3. Run Bitty Run also leads on iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $2.99 per month. Run Bitty Run asks for nothing beyond the download.

Interval Timer ships an update fortnightly, Run Bitty Run every 3 weeks. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Interval Timer | Run Bitty Run |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (540 ratings)](https://appshunter.io/ios/app/interval-timer-run-walk-hiit/id956283665/reviews)** | — |
| Number of ratings | **540** | — |
| Positive reviews | 21.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 4 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Roma Sosnovsky](https://appshunter.io/developer/956283664) | [Lovara & Co](https://appshunter.io/developer/309956055) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-run-walk-hiit/id956283665)

This app provides a customizable interval timer for running, sprints, and HIIT workouts. It offers voice and haptic cues, Apple Watch integration, and saves data to Apple Health. Choose from pre-made routines or build your own for focused training.

**Highlights:** Customizable run/walk intervals, Voice and haptic interval cues, Apple Watch control and phone-free workouts, Save sessions to Apple Health, 25+ ready-made running workouts, Build multi-step advanced workouts, Lock Screen and Dynamic Island Live Activities

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Run Pro Monthly | $2.99 | per month |
| Interval Run Pro Annual | $19.99 | per year |
| Full Version | $2.99 | one-time |

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Customizable intervals
- 🚀 Straightforward app
- 👍 Works as advertised
- 👍 Great for getting back into running

**What reviewers complain about**

- 🔇 No audio prompts when screen is locked
- 🔋 High battery consumption
- 🔒 Limited free version
- 🐛 Inconsistent performance
- 🔇 Voice prompts not loud enough

**Reported bugs**

- Timer resets or freezes during workout
- Prompts not working when phone is locked or in pocket
- Unexpected interval changes or duration changes
- Compatibility issues with music playback

**Requested features**

- Option to pause/resume timer
- Larger time remaining display
- Apple Watch app
- Ability to play audio prompts even with screen off
- More interval options (run/walk/jog)


### Run Bitty Run

[App page](https://appshunter.io/ios/app/run-bitty-run/id6801807360)

**Features:** macOS Compatibility, Apple Watch app, 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 Run Bitty Run free?

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

### Do Interval Timer or Run Bitty Run have ads?

Neither Interval Timer nor Run Bitty Run shows ads.

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

Interval Timer ships an update fortnightly, and Run Bitty Run every 3 weeks. Most recently, Interval Timer was updated on November 11, 2026 and Run Bitty Run on October 31, 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.*