# elOrigen vs HIIT Interval Timer | Cero

The clearest difference is in-app purchases: elOrigen at none against HIIT Interval Timer | Cero's 2. elOrigen also leads on ads (none vs shown) and iOS requirement (8.0 vs 16.0). HIIT Interval Timer | Cero's advantage is update cadence (every 3 days vs every 4 months). On price and device support there is nothing between them.

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

elOrigen ships an update every 4 months, HIIT Interval Timer | Cero every 3 days. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | elOrigen | HIIT Interval Timer | Cero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (435 ratings)](https://appshunter.io/ios/app/hiit-interval-timer-cero/id1256319392/reviews)** |
| Number of ratings | — | **435** |
| Positive reviews | — | 74.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 42 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Jhon Salazar O](https://appshunter.io/developer/847956342) | [Flawless Studio LLC](https://appshunter.io/developer/1228312508) |

## What reviewers say

### elOrigen

[App page](https://appshunter.io/ios/app/elorigen/id1095749157)

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

**In-app purchases:** none


### 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 (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 elOrigen free?

elOrigen is free to download, with no in-app purchases.

### Is HIIT Interval Timer | Cero free?

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

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

HIIT Interval Timer | Cero shows ads; elOrigen does not.

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

elOrigen ships an update every 4 months, and HIIT Interval Timer | Cero every 3 days. Most recently, elOrigen was updated on October 8, 2026 and HIIT Interval Timer | Cero on October 16, 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.*