# HiiT vs Interval Timer

The clearest difference is ads: Interval Timer at none against HiiT's shown. Interval Timer also leads on update cadence (every 4 weeks vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. HiiT sells 1 one-off in-app purchase and Interval Timer sells 12 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

HiiT ships an update every 6 months, Interval Timer every 4 weeks. Both last shipped on October 14, 2026.

## The numbers

| Metric | HiiT | Interval Timer |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 4 weeks** |
| Monetization | — | Subscription |
| Size | 6 MB | 243 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chia-Chun Hsieh](https://appshunter.io/developer/908221958) | [HIIT Apps Sp. z o.o.](https://appshunter.io/developer/1713395721) |

## What reviewers say

### HiiT

[App page](https://appshunter.io/ios/app/hiit-training-timer/id1479666662)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 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


## Frequently asked questions

### Is HiiT free?

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

### Is Interval Timer free?

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

### Do HiiT or Interval Timer have ads?

HiiT shows ads; Interval Timer does not.

### Which is updated more often, HiiT or Interval Timer?

HiiT ships an update every 6 months, and Interval Timer every 4 weeks. Most recently, HiiT was updated on October 14, 2026 and Interval Timer on October 14, 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.*