# HIIT Interval Timer | Cero vs Simplest Tabata Timer

The clearest difference is rating: HIIT Interval Timer | Cero at 4.7 against Simplest Tabata Timer's 4.0. HIIT Interval Timer | Cero also leads on ratings volume (435 vs 3) and review sentiment (75% vs 50%). Simplest Tabata Timer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. HIIT Interval Timer | Cero sells 1 one-off in-app purchase. Simplest Tabata Timer asks for nothing beyond the download.

HIIT Interval Timer | Cero holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: HIIT Interval Timer | Cero has 435 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 75% of HIIT Interval Timer | Cero's written reviews are positive against 50% of Simplest Tabata Timer's.

## The numbers

| Metric | HIIT Interval Timer | Cero | Simplest Tabata Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (435 ratings)](https://appshunter.io/ios/app/hiit-interval-timer-cero/id1256319392/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/simplest-tabata-timer/id1499900553/reviews) |
| Number of ratings | **435** | 3 |
| Positive reviews | **74.6% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 38 MB |
| Requires iOS | 16.0 | **8.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flawless Studio LLC](https://appshunter.io/developer/1228312508) | [Brian Manning](https://appshunter.io/developer/1195679023) |

## What reviewers say

### 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


### Simplest Tabata Timer

[App page](https://appshunter.io/ios/app/simplest-tabata-timer/id1499900553)

This app provides a straightforward timer for high-intensity interval training (HIIT) workouts. It guides users through 20-second exercise intervals followed by 10-second rests, repeating for a total of 8 rounds. Audio cues and progress tracking are included to facilitate a focused and effective 4-minute session.

**Highlights:** High-intensity interval training (HIIT) timer, 20-second work, 10-second rest intervals, 8-round workout structure, Audio cues for transitions, Progress tracking display, Simple tap-to-start/pause interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HIIT Interval Timer | Cero free?

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

### Is Simplest Tabata Timer free?

Simplest Tabata Timer is free to download, with no in-app purchases.

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

HIIT Interval Timer | Cero is rated higher. HIIT Interval Timer | Cero averages 4.7 out of 5 from 435 ratings, while Simplest Tabata Timer averages 4.0 from 3 ratings.

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

HIIT Interval Timer | Cero shows ads; Simplest Tabata Timer does not.

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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.*