# Tabata Timer Training vs HIIT Interval Timer | Cero

The clearest difference is update cadence: HIIT Interval Timer | Cero at every 3 days against Tabata Timer Training's every 5 months. HIIT Interval Timer | Cero also leads on rating (4.7 vs 4.5) and ratings volume (435 vs 87). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Tabata Timer Training sells 1 one-off in-app purchase and HIIT Interval Timer | Cero sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

HIIT Interval Timer | Cero holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: HIIT Interval Timer | Cero has 435 ratings behind it against 87, so its average is the more settled of the two. Written reviews point the same way: 67% of Tabata Timer Training's written reviews are positive against 75% of HIIT Interval Timer | Cero's.

Tabata Timer Training ships an update every 5 months, HIIT Interval Timer | Cero every 3 days. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Tabata Timer Training | HIIT Interval Timer | Cero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (87 ratings)](https://appshunter.io/ios/app/tabata-timer-training/id1016286973/reviews) | **[4.7 (435 ratings)](https://appshunter.io/ios/app/hiit-interval-timer-cero/id1256319392/reviews)** |
| Number of ratings | 87 | **435** |
| Positive reviews | 67.1% of reviews | **74.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 23 MB | 42 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Thang Nguyen](https://appshunter.io/developer/921360262) | [Flawless Studio LLC](https://appshunter.io/developer/1228312508) |

## What reviewers say

### Tabata Timer Training

[App page](https://appshunter.io/ios/app/tabata-timer-training/id1016286973)

This app provides a customizable interval timer for high-intensity workouts. It supports background operation and offers voice and sound navigation to guide you through your training sessions. Manage your timers and track your progress with ease.

**Highlights:** Flexible and advanced timer, Customizable timers with cycles and sets, Background and screen-locked operation, Color, voice, and sound navigation, Built-in music player, Multiple themes, Manage training data

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Pro | $4.99 | one-time |


### 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 Training free?

Tabata Timer Training 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 Training or HIIT Interval Timer | Cero?

HIIT Interval Timer | Cero is rated higher. Tabata Timer Training averages 4.5 out of 5 from 87 ratings, while HIIT Interval Timer | Cero averages 4.7 from 435 ratings.

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

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

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

Tabata Timer Training ships an update every 5 months, and HIIT Interval Timer | Cero every 3 days. Most recently, Tabata Timer Training was updated on September 28, 2026 and HIIT Interval Timer | Cero on September 29, 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.*