# Tabata Timer vs HIIT Interval Timer | Cero

The clearest difference is review sentiment: Tabata Timer at 98% against HIIT Interval Timer | Cero's 75%. Tabata Timer also leads on ratings volume (9.2K vs 435) and rating (4.9 vs 4.7). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Tabata Timer sells 5 in-app purchases, starting at $1.49 per month and HIIT Interval Timer | Cero sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Tabata Timer holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Tabata Timer has 9.2K ratings behind it against 435, so its average is the more settled of the two. Written reviews point the same way: 98% of Tabata Timer's written reviews are positive against 75% of HIIT Interval Timer | Cero's.

Tabata Timer ships an update every 10 days, HIIT Interval Timer | Cero every 2 weeks. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Tabata Timer | HIIT Interval Timer | Cero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (9.2K ratings)](https://appshunter.io/ios/app/tabata-timer-interval-timer/id1255964203/reviews)** | [4.7 (435 ratings)](https://appshunter.io/ios/app/hiit-interval-timer-cero/id1256319392/reviews) |
| Number of ratings | **9.2K** | 435 |
| Positive reviews | **98.3% of reviews** | 74.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 40 MB | 42 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Oleksandr Serhiienko](https://appshunter.io/developer/1255964202) | [Flawless Studio LLC](https://appshunter.io/developer/1228312508) |

## What reviewers say

### Tabata Timer

[App page](https://appshunter.io/ios/app/tabata-timer-interval-timer/id1255964203)

This app provides a versatile interval timer for high-intensity workouts like HIIT and Tabata. Users can create custom routines with adjustable work/rest times, sets, and cycles, and receive voice cues. It functions as a background companion to keep you focused during training.

**Highlights:** Customizable interval timers, HIIT and Tabata training support, Adjustable work and rest times, Set and cycle configuration, Interval naming, Background operation, Voice cues

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.49 | per month |
| Premium | $2.99 | per 3 months |
| Premium | $4.49 | per 6 months |
| Premium | $7.49 | per year |
| Premium | $9.99 | one-time |

**What reviewers like**

- 👍 User-friendly
- 🚀 Customizable workouts
- 🔊 Clear audio cues
- 💡 Ability to save multiple workouts
- 🎵 Plays music in the background

**What reviewers complain about**

- 🐛 Occasional crashes or glitches
- 🔒 Limited free version (only 2 saved workouts)
- 💰 Paid version required for more features
- 🔀 Easy to accidentally skip intervals
- 🔍 Cluttered interface for some users

**Reported bugs**

- Workouts not saving properly
- Sync issues between app and Apple Watch
- Occasional freezing or restarting of device

**Requested features**

- Ability to name and save more workouts in free version
- Option to add exercise images or videos
- Sync workouts across devices
- Customizable sounds and alerts
- Workout history and progress tracking


### HIIT Interval Timer | Cero

[App page](https://appshunter.io/ios/app/hiit-interval-timer-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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cero Pro | $3.99 | 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 Timer free?

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

### Is HIIT Interval Timer | Cero free?

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

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

Tabata Timer is rated higher. Tabata Timer averages 4.9 out of 5 from 9.2K ratings, while HIIT Interval Timer | Cero averages 4.7 from 435 ratings.

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

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

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

Tabata Timer ships an update every 10 days, and HIIT Interval Timer | Cero every 2 weeks. Most recently, Tabata Timer was updated on September 24, 2026 and HIIT Interval Timer | Cero on September 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.*