# HIIT Interval Timer vs Ozigo

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

Both are free to download. HIIT Interval Timer sells 2 one-off in-app purchases. Ozigo asks for nothing beyond the download.

HIIT Interval Timer ships an update weekly, Ozigo every 9 days. The most recent releases landed on November 14, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | HIIT Interval Timer | Ozigo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 50 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [tsyk-app](https://appshunter.io/developer/1586870924) | [OZINY JOINT STOCK COMPANY](https://appshunter.io/developer/1816150498) |

## What reviewers say

### HIIT Interval Timer

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

This interval timer app supports various workout styles like Tabata, HIIT, EMOM, and AMRAP. It offers a free version with basic features and a one-time purchase Pro version for advanced functionality and an ad-free experience.

**Highlights:** Multiple workout modes (HIIT, EMOM, AMRAP), Built-in presets like Tabata 20/10, Customizable workout programs, Workout reminders and progress tracking, Estimated calorie burn with food equivalents, Sound effects and haptic feedback, Data export and calendar view (Pro)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day Trial | Free | one-time |
| HIIT Timer Pro | $4.99 | one-time |


### Ozigo

[App page](https://appshunter.io/ios/app/ozigo/id6754625442)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HIIT Interval Timer free?

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

### Is Ozigo free?

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

### Do HIIT Interval Timer or Ozigo have ads?

HIIT Interval Timer shows ads; Ozigo does not.

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

HIIT Interval Timer ships an update weekly, and Ozigo every 9 days. Most recently, HIIT Interval Timer was updated on November 14, 2026 and Ozigo on November 9, 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.*