# Interval Timer for HIIT | Cero vs Velites Workout Interval Timer

The clearest difference is in-app purchases: Velites Workout Interval Timer at none against Interval Timer for HIIT | Cero's 2. Velites Workout Interval Timer also leads on iOS requirement (12.1 vs 16.0). Interval Timer for HIIT | Cero's advantage is update cadence (every 3 days vs fortnightly) and ratings volume (438 vs 112). On price, rating, review sentiment and ads 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. Velites Workout Interval Timer 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 4.8 for Velites Workout Interval Timer. Both are backed by a comparable volume of ratings — 438 and 112 respectively. Written reviews are what separate them: 75% of Interval Timer for HIIT | Cero's written reviews are positive against 79% of Velites Workout Interval Timer's.

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

## The numbers

| Metric | Interval Timer for HIIT | Cero | Velites Workout Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (438 ratings)](https://appshunter.io/ios/app/interval-timer-for-hiit-cero/id1256319392/reviews) | **[4.8 (112 ratings)](https://appshunter.io/ios/app/velites-workout-interval-timer/id1463869938/reviews)** |
| Number of ratings | **438** | 112 |
| Positive reviews | 74.6% of reviews | **78.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 45 MB | 29 MB |
| Requires iOS | 16.0 | **12.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flawless Studio LLC](https://appshunter.io/developer/1228312508) | [TimerWOD](https://appshunter.io/developer/1463869937) |

## 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


### Velites Workout Interval Timer

[App page](https://appshunter.io/ios/app/velites-workout-interval-timer/id1463869938)

This interval timer app supports various workout styles like Tabata, HIIT, and EMOM. It offers customizable sound guidance, including music and a coach mode, to keep you motivated during training sessions at home or in the gym.

**Highlights:** Supports Tabata, HIIT, EMOM, For Time, and Count Up/Down workouts, Customizable sound guidance (beeps, songs, coach mode), Compatibility with music streaming apps, Fitness Coach Mode for motivation and round tracking, Interval timer with up to 4 intervals, Precise stopwatch function

**Features:** macOS Compatibility, Vision Pro support

**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 Velites Workout Interval Timer free?

Velites Workout Interval Timer is free to download, with no in-app purchases.

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

Velites Workout Interval Timer is rated higher. Interval Timer for HIIT | Cero averages 4.7 out of 5 from 438 ratings, while Velites Workout Interval Timer averages 4.8 from 112 ratings.

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

Both Interval Timer for HIIT | Cero and Velites Workout Interval Timer show ads.

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

Interval Timer for HIIT | Cero ships an update every 3 days, and Velites Workout Interval Timer fortnightly. Most recently, Interval Timer for HIIT | Cero was updated on November 2, 2026 and Velites Workout Interval Timer 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.*