# Atria vs POSRI

The clearest difference is update cadence: POSRI at weekly against Atria's every 48 months. Atria's advantage is iOS requirement (8.0 vs 15.6). 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.

Atria ships an update every 48 months, POSRI weekly. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Atria | POSRI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Weekly** |
| Size | 3 MB | 149 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [shingo kamei](https://appshunter.io/developer/1256845824) | [KODOMOTACHINO KODOMOTACHINO KODOMOTACHINOTAMENI, N.P.O.](https://appshunter.io/developer/1286768172) |

## What reviewers say

### Atria

[App page](https://appshunter.io/ios/app/atria/id1059631044)

**Features:** macOS Compatibility

**In-app purchases:** none


### POSRI

[App page](https://appshunter.io/ios/app/posri/id1638877149)

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

**In-app purchases:** none


## Frequently asked questions

### Is Atria free?

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

### Is POSRI free?

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

### Do Atria or POSRI have ads?

Neither Atria nor POSRI shows ads.

### Which is updated more often, Atria or POSRI?

Atria ships an update every 48 months, and POSRI weekly. Most recently, Atria was updated on October 2, 2026 and POSRI on October 7, 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.*