# Exercise Timer⋮ Hiit Training vs OTB App

The clearest difference is in-app purchases: OTB App at none against Exercise Timer⋮ Hiit Training's 2. OTB App also leads on update cadence (weekly vs every 3 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Exercise Timer⋮ Hiit Training sells 2 in-app purchases, starting at $1.99 per 7 days. OTB App asks for nothing beyond the download.

Exercise Timer⋮ Hiit Training ships an update every 3 weeks, OTB App weekly. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Exercise Timer⋮ Hiit Training | OTB App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 41 MB | 41 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MOBILEXAPPS MB](https://appshunter.io/developer/1685170475) | [Out the Box Fitness LTD](https://appshunter.io/developer/1687517245) |

## What reviewers say

### Exercise Timer⋮ Hiit Training

[App page](https://appshunter.io/ios/app/exercise-timer-hiit-training/id6450214936)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Yearly | $39.99 | per year |


### OTB App

[App page](https://appshunter.io/ios/app/otb-app/id6740076189)

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

**In-app purchases:** none


## Frequently asked questions

### Is Exercise Timer⋮ Hiit Training free?

Exercise Timer⋮ Hiit Training is free to download, with in-app purchases available.

### Is OTB App free?

OTB App is free to download, with no in-app purchases.

### Do Exercise Timer⋮ Hiit Training or OTB App have ads?

Neither Exercise Timer⋮ Hiit Training nor OTB App shows ads.

### Which is updated more often, Exercise Timer⋮ Hiit Training or OTB App?

Exercise Timer⋮ Hiit Training ships an update every 3 weeks, and OTB App weekly. Most recently, Exercise Timer⋮ Hiit Training was updated on September 9, 2026 and OTB App on September 18, 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.*