# Interval Timer for HIIT | Cero vs Timer for Workouts

The clearest difference is ads: Timer for Workouts at none against Interval Timer for HIIT | Cero's shown. Interval Timer for HIIT | Cero's advantage is update cadence (every 3 days vs every 8 days) and ratings volume (438 vs 88). On price, rating, review sentiment and in-app purchases 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 and Timer for Workouts sells 4 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 Interval Timer for HIIT | Cero against 4.8 for Timer for Workouts. Both are backed by a comparable volume of ratings — 438 and 88 respectively. Written reviews are what separate them: 75% of Interval Timer for HIIT | Cero's written reviews are positive against 79% of Timer for Workouts's.

Interval Timer for HIIT | Cero ships an update every 3 days, Timer for Workouts every 8 days. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Interval Timer for HIIT | Cero | Timer for Workouts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (438 ratings)](https://appshunter.io/ios/app/interval-timer-for-hiit-cero/id1256319392/reviews) | **[4.8 (88 ratings)](https://appshunter.io/ios/app/timer-for-workouts-hiit/id6451154499/reviews)** |
| Number of ratings | **438** | 88 |
| Positive reviews | 74.6% of reviews | **78.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 8 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 45 MB | 19 MB |
| Requires iOS | **16.0** | 16.1 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Flawless Studio LLC](https://appshunter.io/developer/1228312508) | [Aral Atpulat](https://appshunter.io/developer/1546542344) |

## What reviewers say

### 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, 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


### Timer for Workouts

[App page](https://appshunter.io/ios/app/timer-for-workouts-hiit/id6451154499)

This app provides a simple yet powerful interval timer for various fitness activities. Easily create and save custom workouts with adjustable work, rest, and repeat intervals. Stay focused with visual and voice cues to track progress and achieve your fitness goals.

**Highlights:** Build custom HIIT and tabata workouts, Save and repeat favorite routines, Clear visual and voice cues, Track progress, Adjustable work, rest, and repeat intervals

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $2.99 | per month |
| Annual Pro | $9.99 | per year |
| Annual Pro | $9.99 | per year |
| Lifetime Pro | $20.00 | one-time |


## 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 Timer for Workouts free?

Timer for Workouts is free to download, with in-app purchases available.

### Which has better reviews, Interval Timer for HIIT | Cero or Timer for Workouts?

Timer for Workouts is rated higher. Interval Timer for HIIT | Cero averages 4.7 out of 5 from 438 ratings, while Timer for Workouts averages 4.8 from 88 ratings.

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

Interval Timer for HIIT | Cero shows ads; Timer for Workouts does not.

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

Interval Timer for HIIT | Cero ships an update every 3 days, and Timer for Workouts every 8 days. Most recently, Interval Timer for HIIT | Cero was updated on November 2, 2026 and Timer for Workouts on October 24, 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.*