# CKC OCR vs 古詩粵唱粵啱Key

The clearest difference is review sentiment: CKC OCR at 100% against 古詩粵唱粵啱Key's 0%. 古詩粵唱粵啱Key's advantage is iOS requirement (9.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

CKC OCR ships an update fortnightly, 古詩粵唱粵啱Key every 4 weeks. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | CKC OCR | 古詩粵唱粵啱Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/ckc-ocr/id1317213774/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 2 MB | 160 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ka Ho Tse](https://appshunter.io/developer/1317213773) | [The Education University of Hong Kong](https://appshunter.io/developer/1130838504) |

## What reviewers say

### CKC OCR

[App page](https://appshunter.io/ios/app/ckc-ocr/id1317213774)

This educational tool helps users search for CKC codes and learn Chinese characters. It explains the appearance-based coding system, which encodes characters based on the stroke features of their four corners.

**Highlights:** Search CKC codes for Chinese characters, Learn Chinese character stroke features, Understand appearance-based coding system, View CKC code combinations, Educational tool for Chinese language teaching

**Features:** macOS Compatibility

**In-app purchases:** none


### 古詩粵唱粵啱Key

[App page](https://appshunter.io/ios/app/key/id1529209807)

Learn Cantonese tones in classical poetry through singing. This app offers demonstrations, practice sessions with backing music, and allows users to record and share their own creative renditions of poems.

**Highlights:** Cantonese tone learning through singing, Classical poetry selection, Singing demonstrations, Practice and recording, Creative poem composition, Share and listen to user creations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CKC OCR free?

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

### Is 古詩粵唱粵啱Key free?

古詩粵唱粵啱Key is free to download, with no in-app purchases.

### Do CKC OCR or 古詩粵唱粵啱Key have ads?

Neither CKC OCR nor 古詩粵唱粵啱Key shows ads.

### Which is updated more often, CKC OCR or 古詩粵唱粵啱Key?

CKC OCR ships an update fortnightly, and 古詩粵唱粵啱Key every 4 weeks. Most recently, CKC OCR was updated on September 17, 2026 and 古詩粵唱粵啱Key on September 16, 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.*