# Master Training vs HIIT Timer

The clearest difference is ads: Master Training at none against HIIT Timer's shown. HIIT Timer's advantage is update cadence (every 2 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. Neither carries in-app purchases, so what you see is what you pay.

Master Training ships an update every 6 months, HIIT Timer every 2 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | Master Training | HIIT Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 117 MB | 90 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Master Training AB](https://appshunter.io/developer/1512983923) | [tsyk-app](https://appshunter.io/developer/1586870924) |

## What reviewers say

### Master Training

[App page](https://appshunter.io/ios/app/master-training/id1512983924)

**Features:** Apple Wallet

**In-app purchases:** none


### HIIT Timer

[App page](https://appshunter.io/ios/app/hiit-timer-interval-and-tabata/id1586870922)

This app provides a simple interval timer for various high-intensity training styles like HIIT, Tabata, EMOM, and AMRAP. Track your workouts, maintain streaks, and save custom timer presets for easy access. It's designed for home or gym training and requires no account or subscription.

**Highlights:** HIIT & Tabata timer, EMOM interval training, AMRAP workout mode, Workout calendar tracking, Streak and stats tracking, Customizable presets, Smart workout reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is Master Training free?

Master Training is free to download, with no in-app purchases.

### Is HIIT Timer free?

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

### Do Master Training or HIIT Timer have ads?

HIIT Timer shows ads; Master Training does not.

### Which is updated more often, Master Training or HIIT Timer?

Master Training ships an update every 6 months, and HIIT Timer every 2 weeks. Most recently, Master Training was updated on October 7, 2026 and HIIT Timer on October 7, 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.*