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

The clearest difference is in-app purchases: Interval Timer ▸ HIIT & Tabata at none against HIIT Interval Timer | Cero's 1. Interval Timer ▸ HIIT & Tabata also leads on ads (none vs shown) and review sentiment (100% vs 75%). HIIT Interval Timer | Cero's advantage is update cadence (every 2 weeks vs every 11 months) and ratings volume (435 vs 9). On price, device support and iOS requirement there is nothing between them.

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

Interval Timer ▸ HIIT & Tabata holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: HIIT Interval Timer | Cero has 435 ratings behind it against 9, 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 100% of Interval Timer ▸ HIIT & Tabata's.

HIIT Interval Timer | Cero ships an update every 2 weeks, Interval Timer ▸ HIIT & Tabata every 11 months. The most recent releases landed on September 20, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | HIIT Interval Timer | Cero | Interval Timer ▸ HIIT & Tabata |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (435 ratings)](https://appshunter.io/ios/app/hiit-interval-timer-cero/id1256319392/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-and-tabata/id6469007234/reviews)** |
| Number of ratings | **435** | 9 |
| Positive reviews | 74.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 11 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 16 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Flawless Studio LLC](https://appshunter.io/developer/1228312508) | [Juxhin Bakalli Technologies](https://appshunter.io/developer/1711254538) |

## 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


### Interval Timer ▸ HIIT & Tabata

[App page](https://appshunter.io/ios/app/interval-timer-hiit-and-tabata/id6469007234)

This app helps you structure and time your workouts with customizable intervals, alerts, and repeating sets. It's ideal for various fitness activities like HIIT, Tabata, boxing, running, and circuit training.

**Highlights:** Customizable intervals (work, rest, recovery), Customizable sound and visual alerts, Repeating sets programming, Countdown timer with visual cues, Supports HIIT, Tabata, boxing, running, circuit training, yoga, meditation

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

**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 Interval Timer ▸ HIIT & Tabata free?

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

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

Interval Timer ▸ HIIT & Tabata is rated higher. HIIT Interval Timer | Cero averages 4.7 out of 5 from 435 ratings, while Interval Timer ▸ HIIT & Tabata averages 5.0 from 9 ratings.

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

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

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

HIIT Interval Timer | Cero ships an update every 2 weeks, and Interval Timer ▸ HIIT & Tabata every 11 months. Most recently, HIIT Interval Timer | Cero was updated on September 20, 2026 and Interval Timer ▸ HIIT & Tabata on September 8, 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.*