# CU Trails vs Restify

The clearest difference is update cadence: Restify at every 2 months against CU Trails's every 9 months. CU Trails's advantage is iOS requirement (9.0 vs 12.0). 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.

CU Trails ships an update every 9 months, Restify every 2 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | CU Trails | Restify |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Size | 51 MB | 293 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Chinese University of Hong Kong](https://appshunter.io/developer/369070876) | [Yun Kwok Wing](https://appshunter.io/developer/1603030553) |

## What reviewers say

### CU Trails

[App page](https://appshunter.io/ios/app/cu-trails/id1332938584)

**In-app purchases:** none


### Restify

[App page](https://appshunter.io/ios/app/restify/id6651828168)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CU Trails free?

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

### Is Restify free?

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

### Do CU Trails or Restify have ads?

Neither CU Trails nor Restify shows ads.

### Which is updated more often, CU Trails or Restify?

CU Trails ships an update every 9 months, and Restify every 2 months. Most recently, CU Trails was updated on October 7, 2026 and Restify on October 1, 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.*