# Best Interval Timer vs Simple HIIT

The clearest difference is ads: Simple HIIT at none against Best Interval Timer's shown. Simple HIIT also leads on iOS requirement (13.0 vs 16.0). Best Interval Timer's advantage is update cadence (every 12 months vs every 31 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Best Interval Timer ships an update every 12 months, Simple HIIT every 31 months. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Best Interval Timer | Simple HIIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (81 ratings)](https://appshunter.io/ios/app/best-interval-timer/id547542742/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 89.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 12 months** | Every 31 months |
| Monetization | Ad-supported | — |
| Size | 19 MB | 2 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [倩 赵](https://appshunter.io/developer/376557917) | [Beesoft Apps](https://appshunter.io/developer/1420966143) |

## What reviewers say

### Best Interval Timer

[App page](https://appshunter.io/ios/app/best-interval-timer/id547542742)

This app acts as your personal coach, guiding you through workouts with customizable routines. Focus on your exercise while it manages timing for warm-up, high/low intensity intervals, cool-downs, and rest periods.

**Highlights:** Customizable workout routines, Warm-up, intensity, cool-down, rest periods, Background and multitasking support, Adjustable interval sounds and vibrations, Workout practice tracking, Landscape and portrait orientation

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Simple and functional
- 👍 Free
- 👍 Customizable intervals
- 👍 Works in background

**What reviewers complain about**

- 🐛 Too many ads
- 🐛 Limited programmable routines (free version)
- 🐛 Ads block screen in landscape
- 🐛 Small numbers hard to read
- 🐛 Side view unusable

**Reported bugs**

- App stops working after rating notification
- Buttons don't work after rating notification
- Crashes when saving timers
- Crashes when editing exercises
- Freezes and stops working

**Requested features**

- Ability to save multiple intervals/routines
- Voice cues for start/stop
- Apple Watch compatibility
- Larger buttons and text
- Option to save different schedules (e.g., Tabata)


### Simple HIIT

[App page](https://appshunter.io/ios/app/simple-hiit-interval-timer/id6449968373)

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

**In-app purchases:** none


## Frequently asked questions

### Is Best Interval Timer free?

Best Interval Timer is free to download, with no in-app purchases.

### Is Simple HIIT free?

Simple HIIT is free to download, with no in-app purchases.

### Do Best Interval Timer or Simple HIIT have ads?

Best Interval Timer shows ads; Simple HIIT does not.

### Which is updated more often, Best Interval Timer or Simple HIIT?

Best Interval Timer ships an update every 12 months, and Simple HIIT every 31 months. Most recently, Best Interval Timer was updated on September 18, 2026 and Simple HIIT on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*