# Tabata & HIIT Interval Timer vs Interval Timer for HIIT | Cero

The clearest difference is in-app purchases: Tabata & HIIT Interval Timer at none against Interval Timer for HIIT | Cero's 2. Tabata & HIIT Interval Timer also leads on iOS requirement (13.0 vs 16.0). Interval Timer for HIIT | Cero's advantage is update cadence (every 3 days vs every 4 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Interval Timer for HIIT | Cero sells 2 in-app purchases, starting at $2.99 per month. Tabata & HIIT Interval Timer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Tabata & HIIT Interval Timer against 4.7 for Interval Timer for HIIT | Cero. Both are backed by a comparable volume of ratings — 246 and 436 respectively. Written reviews are what separate them: 78% of Tabata & HIIT Interval Timer's written reviews are positive against 75% of Interval Timer for HIIT | Cero's.

Tabata & HIIT Interval Timer ships an update every 4 months, Interval Timer for HIIT | Cero every 3 days. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Tabata & HIIT Interval Timer | Interval Timer for HIIT | Cero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (246 ratings)](https://appshunter.io/ios/app/tabata-and-hiit-interval-timer/id1166542235/reviews)** | [4.7 (436 ratings)](https://appshunter.io/ios/app/interval-timer-for-hiit-cero/id1256319392/reviews) |
| Number of ratings | 246 | **436** |
| Positive reviews | **77.8% of reviews** | 74.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 48 MB | 42 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Torii](https://appshunter.io/developer/1048814905) | [Flawless Studio LLC](https://appshunter.io/developer/1228312508) |

## What reviewers say

### Tabata & HIIT Interval Timer

[App page](https://appshunter.io/ios/app/tabata-and-hiit-interval-timer/id1166542235)

This app functions as a versatile timer for high-intensity interval training (HIIT) and Tabata workouts. It guides users through structured exercise and rest periods, making it easy to follow popular interval training methods for effective, short-duration fitness sessions.

**Highlights:** Tabata timer, Interval timer, HIIT workout guidance, Structured exercise/rest periods, Customizable training

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

**In-app purchases:** none


### Interval Timer for HIIT | Cero

[App page](https://appshunter.io/ios/app/interval-timer-for-hiit-cero/id1256319392)

This interval timer app enhances various workouts like HIIT, Tabata, and yoga with intuitive design and customizable timer modes. Create and save custom intervals, track calorie expenditure, and sync settings across devices, including Apple Watch.

**Highlights:** Customizable interval timers, Simple and advanced timer modes, Create and save multiple workout settings, Apple Watch compatibility with heart monitor, Automatic calorie tracking to Apple Health, Cross-device sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cero Pro Monthly | $2.99 | per month |
| Cero Pro | $14.99 | one-time |

**What reviewers like**

- 👍 Simple and straightforward
- 👍 Very practical and customizable
- 👍 Great for HIIT and Tabata
- 👍 Clear design and easy to use
- 👍 Good value, no subscription

**What reviewers complain about**

- 🔋 Drains battery
- 🎶 Music playback interrupted
- ⚠️ Ads interrupt timers
- 🔊 Weak or non-functional sound/haptics
- 🔄 Forced updates

**Reported bugs**

- App runs in background draining battery
- Rotation broke after update
- Apple workout app overrides Cero app on Apple Watch
- Interval signals too weak or not working

**Requested features**

- Ability to group timers
- Option to add warm-up and cool-down features
- Ability to type numbers for time adjustment
- Timer sounds through headphones or interrupting music
- Ability to change exercise names


## Frequently asked questions

### Is Tabata & HIIT Interval Timer free?

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

### Is Interval Timer for HIIT | Cero free?

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

### Which has better reviews, Tabata & HIIT Interval Timer or Interval Timer for HIIT | Cero?

Tabata & HIIT Interval Timer is rated higher. Tabata & HIIT Interval Timer averages 4.8 out of 5 from 246 ratings, while Interval Timer for HIIT | Cero averages 4.7 from 436 ratings.

### Do Tabata & HIIT Interval Timer or Interval Timer for HIIT | Cero have ads?

Both Tabata & HIIT Interval Timer and Interval Timer for HIIT | Cero show ads.

### Which is updated more often, Tabata & HIIT Interval Timer or Interval Timer for HIIT | Cero?

Tabata & HIIT Interval Timer ships an update every 4 months, and Interval Timer for HIIT | Cero every 3 days. Most recently, Tabata & HIIT Interval Timer was updated on October 22, 2026 and Interval Timer for HIIT | Cero on October 20, 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.*