# CIER vs OlimpiVerso Astronomia

The clearest difference is update cadence: OlimpiVerso Astronomia at every 3 days against CIER's every 14 months. CIER's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CIER ships an update every 14 months, OlimpiVerso Astronomia every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CIER | OlimpiVerso Astronomia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 days** |
| Size | 39 MB | 85 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Simone Antaki Moussatche](https://appshunter.io/developer/978186657) | [GLEDSON RABELO](https://appshunter.io/developer/1889985812) |

## What reviewers say

### CIER

[App page](https://appshunter.io/ios/app/cier/id1599148206)

**Features:** macOS Compatibility

**In-app purchases:** none


### OlimpiVerso Astronomia

[App page](https://appshunter.io/ios/app/olimpiverso-astronomia/id6761499672)

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

**In-app purchases:** none


## Frequently asked questions

### Is CIER free?

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

### Is OlimpiVerso Astronomia free?

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

### Do CIER or OlimpiVerso Astronomia have ads?

Neither CIER nor OlimpiVerso Astronomia shows ads.

### Which is updated more often, CIER or OlimpiVerso Astronomia?

CIER ships an update every 14 months, and OlimpiVerso Astronomia every 3 days. Most recently, CIER was updated on November 3, 2026 and OlimpiVerso Astronomia on October 31, 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.*