# Aster vs Decitron

The clearest difference is in-app purchases: Decitron at none against Aster's 4. Decitron also leads on iOS requirement (15.0 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Aster sells 4 in-app purchases, starting at $14.99 per month. Decitron asks for nothing beyond the download.

Aster ships an update every 5 days, Decitron weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Aster | Decitron |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Size | 84 MB | 46 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Junaid Fiaz](https://appshunter.io/developer/6787369882) | [北京中科闻歌科技股份有限公司](https://appshunter.io/developer/1403161251) |

## What reviewers say

### Aster

[App page](https://appshunter.io/ios/app/aster-ai-agent-and-assistant/id6787369880)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $14.99 | per month |
| Max | $24.99 | per month |
| Pro | $143.99 | per year |
| Max | $239.99 | per year |


### Decitron

[App page](https://appshunter.io/ios/app/decitron/id6789513905)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aster free?

Aster is free to download, with in-app purchases available.

### Is Decitron free?

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

### Do Aster or Decitron have ads?

Neither Aster nor Decitron shows ads.

### Which is updated more often, Aster or Decitron?

Aster ships an update every 5 days, and Decitron weekly. Most recently, Aster was updated on October 28, 2026 and Decitron on October 28, 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.*