# Interval Timer ~ HIIT & Tabata vs AutoFit Routine

The clearest difference is in-app purchases: Interval Timer ~ HIIT & Tabata at none against AutoFit Routine's 2. AutoFit Routine's advantage is ads (none vs shown) and iOS requirement (16.4 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. AutoFit Routine sells 2 in-app purchases, starting at $0.99 per month. Interval Timer ~ HIIT & Tabata asks for nothing beyond the download.

Interval Timer ~ HIIT & Tabata ships an update every 2 days, AutoFit Routine every 3 days. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Interval Timer ~ HIIT & Tabata | AutoFit Routine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 9 MB | 81 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [manabu ueda](https://appshunter.io/developer/1606163236) | [HANSEON OH](https://appshunter.io/developer/6776060075) |

## What reviewers say

### Interval Timer ~ HIIT & Tabata

[App page](https://appshunter.io/ios/app/interval-timer-hiit-and-tabata/id6762538816)

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

**In-app purchases:** none


### AutoFit Routine

[App page](https://appshunter.io/ios/app/autofit-routine-workout-log/id6776060073)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AutoFit Pro (monthly) | $0.99 | per month |
| AutoFit Pro (Yearly) | $9.99 | per year |


## Frequently asked questions

### Is Interval Timer ~ HIIT & Tabata free?

Interval Timer ~ HIIT & Tabata is free to download, with no in-app purchases.

### Is AutoFit Routine free?

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

### Do Interval Timer ~ HIIT & Tabata or AutoFit Routine have ads?

Interval Timer ~ HIIT & Tabata shows ads; AutoFit Routine does not.

### Which is updated more often, Interval Timer ~ HIIT & Tabata or AutoFit Routine?

Interval Timer ~ HIIT & Tabata ships an update every 2 days, and AutoFit Routine every 3 days. Most recently, Interval Timer ~ HIIT & Tabata was updated on October 6, 2026 and AutoFit Routine on October 10, 2026.

---

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