# iCountTimer vs Interval Timer for HIIT | Cero

The clearest difference is update cadence: Interval Timer for HIIT | Cero at every 3 days against iCountTimer's every 4 months. Interval Timer for HIIT | Cero also leads on ratings volume (436 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 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.

On the App Store both sit at effectively the same score — 4.7 for iCountTimer against 4.7 for Interval Timer for HIIT | Cero. That said, the two scores are not equally well evidenced: Interval Timer for HIIT | Cero has 436 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 Interval Timer for HIIT | Cero's.

iCountTimer ships an update every 4 months, Interval Timer for HIIT | Cero every 3 days. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | iCountTimer | Interval Timer for HIIT | Cero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (12 ratings)](https://appshunter.io/ios/app/icounttimer-workout-timer/id1048436732/reviews) | **[4.7 (436 ratings)](https://appshunter.io/ios/app/interval-timer-for-hiit-cero/id1256319392/reviews)** |
| Number of ratings | 12 | **436** |
| 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 |


### 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 iCountTimer free?

iCountTimer 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, iCountTimer or Interval Timer for HIIT | Cero?

Interval Timer for HIIT | Cero is rated higher. iCountTimer averages 4.7 out of 5 from 12 ratings, while Interval Timer for HIIT | Cero averages 4.7 from 436 ratings.

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

Both iCountTimer and Interval Timer for HIIT | Cero show ads.

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

iCountTimer ships an update every 4 months, and Interval Timer for HIIT | Cero every 3 days. Most recently, iCountTimer was updated on October 21, 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.*