# pigeonlock vs RateCUHK

The clearest difference is update cadence: pigeonlock at every 4 days against RateCUHK's every 2 weeks. pigeonlock also leads on iOS requirement (13.0 vs 15.6). 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.

pigeonlock ships an update every 4 days, RateCUHK every 2 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | pigeonlock | RateCUHK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ratecuhk/id6756692245/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 46 MB | 14 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [福州正城铅封有限公司](https://appshunter.io/developer/1701770318) | [中华 李](https://appshunter.io/developer/1866268101) |

## What reviewers say

### pigeonlock

[App page](https://appshunter.io/ios/app/pigeonlock/id6468894916)

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

**In-app purchases:** none


### RateCUHK

[App page](https://appshunter.io/ios/app/ratecuhk/id6756692245)

Discover and share insights on courses and campus dining at The Chinese University of Hong Kong. Make informed decisions about course selection and explore the best dining options with authentic student reviews.

**Highlights:** Course reviews with workload and grading insights, Canteen reviews on food quality and atmosphere, Detailed rating system, Anonymous review option, Search and filter functionality, Push notifications for new content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is pigeonlock free?

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

### Is RateCUHK free?

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

### Do pigeonlock or RateCUHK have ads?

Neither pigeonlock nor RateCUHK shows ads.

### Which is updated more often, pigeonlock or RateCUHK?

pigeonlock ships an update every 4 days, and RateCUHK every 2 weeks. Most recently, pigeonlock was updated on October 27, 2026 and RateCUHK on October 30, 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.*