# iCountTimer vs HIIT Interval Timer | Cero

The clearest difference is update cadence: HIIT Interval Timer | Cero at every 3 days against iCountTimer's every 4 months. HIIT Interval Timer | Cero also leads on ratings volume (435 vs 12). iCountTimer's advantage is review sentiment (90% vs 75%). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. iCountTimer sells 3 in-app purchases, starting at $1.99 per month and HIIT Interval Timer | Cero sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for iCountTimer against 4.7 for HIIT Interval Timer | Cero. That said, the two scores are not equally well evidenced: HIIT Interval Timer | Cero has 435 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 90% of iCountTimer's written reviews are positive against 75% of HIIT Interval Timer | Cero's.

iCountTimer ships an update every 4 months, HIIT Interval Timer | Cero every 3 days. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | iCountTimer | HIIT Interval Timer | Cero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (12 ratings)](https://appshunter.io/ios/app/icounttimer-workout-timer/id1048436732/reviews) | [4.7 (435 ratings)](https://appshunter.io/ios/app/hiit-interval-timer-cero/id1256319392/reviews) |
| Number of ratings | 12 | **435** |
| Positive reviews | **90.1% of reviews** | 74.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 42 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [RhythmicWorks](https://appshunter.io/developer/977154427) | [Flawless Studio LLC](https://appshunter.io/developer/1228312508) |

## What reviewers say

### iCountTimer

[App page](https://appshunter.io/ios/app/icounttimer-workout-timer/id1048436732)

This app combines a timer and counter for various training routines like HIIT, yoga, and boxing. It offers audio cues and a large display to keep you focused on your workout, with an optional Pro version for advanced features.

**Highlights:** Timer and counter combined, Save custom presets, Large, clear display, Audio cues, Smart screen lock, Health app integration (Pro)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Lifetime Pro | $19.99 | 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 iCountTimer free?

iCountTimer 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, iCountTimer or HIIT Interval Timer | Cero?

iCountTimer and HIIT Interval Timer | Cero are both rated 4.7 out of 5 on the App Store, from 12 and 435 ratings respectively.

### Do iCountTimer or HIIT Interval Timer | Cero have ads?

Both iCountTimer and HIIT Interval Timer | Cero show ads.

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

iCountTimer ships an update every 4 months, and HIIT Interval Timer | Cero every 3 days. Most recently, iCountTimer was updated on September 27, 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.*