# 셀로 vs A

The clearest difference is update cadence: A at every 4 days against 셀로's every 2 months. 셀로's advantage is iOS requirement (12.2 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.

셀로 ships an update every 2 months, A every 4 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 셀로 | A |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 213 MB | 3 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sello Co.,Ltd.](https://appshunter.io/developer/1490985556) | [SpaceMap Inc.](https://appshunter.io/developer/1845773494) |

## What reviewers say

### 셀로

[App page](https://appshunter.io/ios/app/id1490985557)

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

**In-app purchases:** none


### A

[App page](https://appshunter.io/ios/app/a-star-2026/id6776966233)

**In-app purchases:** none


## Frequently asked questions

### Is 셀로 free?

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

### Is A free?

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

### Do 셀로 or A have ads?

Neither 셀로 nor A shows ads.

### Which is updated more often, 셀로 or A?

셀로 ships an update every 2 months, and A every 4 days. Most recently, 셀로 was updated on October 26, 2026 and A on October 25, 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.*