# Routine Interval Timer vs HIIT Trainer

The clearest difference is in-app purchases: HIIT Trainer at none against Routine Interval Timer's 3. HIIT Trainer also leads on ads (none vs shown) and update cadence (every 2 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Routine Interval Timer sells 3 in-app purchases, starting at $0.99 per month. HIIT Trainer asks for nothing beyond the download.

Routine Interval Timer ships an update every 2 weeks, HIIT Trainer every 2 days. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Routine Interval Timer | HIIT Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 73 MB | 14 MB |
| Requires iOS | 16.1 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohoo Studio](https://appshunter.io/developer/1879128626) | [巧 唐](https://appshunter.io/developer/6790363579) |

## What reviewers say

### Routine Interval Timer

[App page](https://appshunter.io/ios/app/routine-interval-timer-ddang/id6768160515)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads – Monthly | $0.99 | per month |
| Lifetime Ad Removal 30% Off | $10.49 | one-time |
| Lifetime Ad Removal | $14.99 | one-time |


### HIIT Trainer

[App page](https://appshunter.io/ios/app/hiit-trainer-interval-timer/id6790511820)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Routine Interval Timer free?

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

### Is HIIT Trainer free?

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

### Do Routine Interval Timer or HIIT Trainer have ads?

Routine Interval Timer shows ads; HIIT Trainer does not.

### Which is updated more often, Routine Interval Timer or HIIT Trainer?

Routine Interval Timer ships an update every 2 weeks, and HIIT Trainer every 2 days. Most recently, Routine Interval Timer was updated on October 11, 2026 and HIIT Trainer on October 10, 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.*