# CERO vs Eternis

The clearest difference is device support: CERO at 3 against Eternis's 1. CERO also leads on iOS requirement (13.0 vs 16.4). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CERO ships an update every 3 weeks, Eternis every 2 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | CERO | Eternis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 69 MB | 51 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Cero Smart Mobility](https://appshunter.io/developer/1739574255) | [Eternis](https://appshunter.io/developer/1691267017) |

## What reviewers say

### CERO

[App page](https://appshunter.io/ios/app/cero/id6480592872)

**Features:** macOS Compatibility

**In-app purchases:** none


### Eternis

[App page](https://appshunter.io/ios/app/eternis/id6747039762)

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

**In-app purchases:** none


## Frequently asked questions

### Is CERO free?

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

### Is Eternis free?

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

### Do CERO or Eternis have ads?

Neither CERO nor Eternis shows ads.

### Which is updated more often, CERO or Eternis?

CERO ships an update every 3 weeks, and Eternis every 2 weeks. Most recently, CERO was updated on October 30, 2026 and Eternis on October 30, 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.*