# Tabata Timer Training vs Interval Timer for HIIT | Cero

The clearest difference is update cadence: Interval Timer for HIIT | Cero at every 3 days against Tabata Timer Training's every 5 months. Interval Timer for HIIT | Cero also leads on rating (4.7 vs 4.5) and ratings volume (436 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 Interval Timer for HIIT | Cero sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Interval Timer for HIIT | Cero holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Interval Timer for HIIT | Cero has 436 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 Interval Timer for HIIT | Cero's.

Tabata Timer Training ships an update every 5 months, Interval Timer for HIIT | Cero every 3 days. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Tabata Timer Training | Interval Timer for HIIT | Cero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (87 ratings)](https://appshunter.io/ios/app/tabata-timer-training/id1016286973/reviews) | **[4.7 (436 ratings)](https://appshunter.io/ios/app/interval-timer-for-hiit-cero/id1256319392/reviews)** |
| Number of ratings | 87 | **436** |
| 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 |


### 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 Timer Training free?

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

### 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 Timer Training or Interval Timer for HIIT | Cero?

Interval Timer for HIIT | Cero is rated higher. Tabata Timer Training averages 4.5 out of 5 from 87 ratings, while Interval Timer for HIIT | Cero averages 4.7 from 436 ratings.

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

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

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

Tabata Timer Training ships an update every 5 months, and Interval Timer for HIIT | Cero every 3 days. Most recently, Tabata Timer Training was updated on October 11, 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.*