# Tréma bus vs Illygo

Tréma bus and Illygo are too close to call on the numbers: across 3 compared parameters — price, in-app purchases and iOS requirement among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Tréma bus | Illygo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 214 MB | 182 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [TRANSDEV](https://appshunter.io/developer/1084982481) | [Illygo](https://appshunter.io/developer/1799905896) |

## What reviewers say

### Tréma bus

[App page](https://appshunter.io/ios/app/trema-bus/id6733243091)

**In-app purchases:** none


### Illygo

[App page](https://appshunter.io/ios/app/illygo/id6742778241)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tréma bus free?

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

### Is Illygo free?

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

---

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