# Aviel TMS vs Air Scale System

The clearest difference is update cadence: Aviel TMS at every 3 weeks against Air Scale System's every 4 months. Aviel TMS also leads on iOS requirement (13.0 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.

Aviel TMS ships an update every 3 weeks, Air Scale System every 4 months. The most recent releases landed on October 16, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Aviel TMS | Air Scale System |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 41 MB | 8 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ionut Cotoc](https://appshunter.io/developer/1619968441) | [Kevin Wiebe](https://appshunter.io/developer/1896140645) |

## What reviewers say

### Aviel TMS

[App page](https://appshunter.io/ios/app/aviel-tms/id1627029643)

**Features:** macOS Compatibility

**In-app purchases:** none


### Air Scale System

[App page](https://appshunter.io/ios/app/air-scale-system/id6765958133)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aviel TMS free?

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

### Is Air Scale System free?

Air Scale System is free to download, with no in-app purchases.

### Do Aviel TMS or Air Scale System have ads?

Neither Aviel TMS nor Air Scale System shows ads.

### Which is updated more often, Aviel TMS or Air Scale System?

Aviel TMS ships an update every 3 weeks, and Air Scale System every 4 months. Most recently, Aviel TMS was updated on October 16, 2026 and Air Scale System on September 28, 2026.

---

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