# Prime Arch vs aLex

The clearest difference is ads: aLex at none against Prime Arch's shown. aLex also leads on update cadence (monthly vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Prime Arch ships an update every 8 months, aLex monthly. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Prime Arch | aLex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Monthly** |
| Size | 53 MB | 108 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [aRway AB](https://appshunter.io/developer/1421779695) | [Klevrings Group AB](https://appshunter.io/developer/1849166260) |

## What reviewers say

### Prime Arch

[App page](https://appshunter.io/ios/app/prime-arch/id1421779696)

**Features:** macOS Compatibility

**In-app purchases:** none


### aLex

[App page](https://appshunter.io/ios/app/alex/id1645254283)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prime Arch free?

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

### Is aLex free?

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

### Do Prime Arch or aLex have ads?

Prime Arch shows ads; aLex does not.

### Which is updated more often, Prime Arch or aLex?

Prime Arch ships an update every 8 months, and aLex monthly. Most recently, Prime Arch was updated on September 10, 2026 and aLex on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*