# CKC OCR vs EdU LibMap

The clearest difference is update cadence: CKC OCR at fortnightly against EdU LibMap's every 3 months. 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.

CKC OCR ships an update fortnightly, EdU LibMap every 3 months. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | CKC OCR | EdU LibMap |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | — |
| Size | 2 MB | 12 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| 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


### EdU LibMap

[App page](https://appshunter.io/ios/app/edu-libmap/id1434267358)

**In-app purchases:** none


## Frequently asked questions

### Is CKC OCR free?

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

### Is EdU LibMap free?

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

### Do CKC OCR or EdU LibMap have ads?

Neither CKC OCR nor EdU LibMap shows ads.

### Which is updated more often, CKC OCR or EdU LibMap?

CKC OCR ships an update fortnightly, and EdU LibMap every 3 months. Most recently, CKC OCR was updated on September 17, 2026 and EdU LibMap on September 10, 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.*