# Interval Timer for HIIT | Cero vs HIIT & Tabata Workout

The clearest difference is in-app purchases: HIIT & Tabata Workout at none against Interval Timer for HIIT | Cero's 2. HIIT & Tabata Workout also leads on ads (none vs shown) and iOS requirement (13.0 vs 18.0). Interval Timer for HIIT | Cero's advantage is update cadence (every 3 days vs every 4 weeks) and review sentiment (75% vs 50%). On price, rating and device support there is nothing between them.

Both are free to download. Interval Timer for HIIT | Cero sells 2 in-app purchases, starting at $2.99 per month. HIIT & Tabata Workout asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Interval Timer for HIIT | Cero against 4.6 for HIIT & Tabata Workout. That said, the two scores are not equally well evidenced: Interval Timer for HIIT | Cero has 441 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 75% of Interval Timer for HIIT | Cero's written reviews are positive against 50% of HIIT & Tabata Workout's.

Interval Timer for HIIT | Cero ships an update every 3 days, HIIT & Tabata Workout every 4 weeks. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Interval Timer for HIIT | Cero | HIIT & Tabata Workout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (441 ratings)](https://appshunter.io/ios/app/interval-timer-for-hiit-cero/id1256319392/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/hiit-and-tabata-workout/id1574767597/reviews) |
| Number of ratings | **441** | 5 |
| Positive reviews | **74.6% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 59 MB | 41 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flawless Studio LLC](https://appshunter.io/developer/1228312508) | [Kushtrim Abdiju](https://appshunter.io/developer/1558542681) |

## What reviewers say

### Interval Timer for HIIT | Cero

[App page](https://appshunter.io/ios/app/interval-timer-for-hiit-cero/id1256319392)

Create custom interval workouts for HIIT, Tabata, and circuit training. This app offers detailed programming with custom intervals, colors, and icons. Stay focused with large controls, clear cues, and optional heart rate training.

**Highlights:** Customizable interval programming, Heart rate training integration, Live Activities and Dynamic Island support, Siri and Shortcuts integration, Workout history and calorie tracking, Apple Watch app, Shareable timers

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


### HIIT & Tabata Workout

[App page](https://appshunter.io/ios/app/hiit-and-tabata-workout/id1574767597)

Create and customize your own high-intensity interval training (HIIT) and Tabata routines with an intuitive interface. Set voice commands for each activity to stay on track during workouts. Save sessions to Apple Health and track progress with insightful features.

**Highlights:** Custom HIIT routine creation, Voice command integration, Apple Health saving, Progress tracking with Insights, Social sharing of results

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer for HIIT | Cero free?

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

### Is HIIT & Tabata Workout free?

HIIT & Tabata Workout is free to download, with no in-app purchases.

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

Interval Timer for HIIT | Cero is rated higher. Interval Timer for HIIT | Cero averages 4.7 out of 5 from 441 ratings, while HIIT & Tabata Workout averages 4.6 from 5 ratings.

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

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

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

Interval Timer for HIIT | Cero ships an update every 3 days, and HIIT & Tabata Workout every 4 weeks. Most recently, Interval Timer for HIIT | Cero was updated on November 11, 2026 and HIIT & Tabata Workout on November 3, 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.*