Comparison

CKC OCR vs 童學字咭

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CKC OCR

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
Read full description

CKC OCR (縱橫識字) This tool designed by The Education University of Hong Kong (EdUHK) - CKC Centre for the Development of Information Technology in Chinese Language Teaching. Facilitate to search the CKC Code and learn of Chinese characters. For Example, if you search "為", all combinations for the CKC code (including code for variant Chinese character and instant code) will show: 000, 3, 34 and 3400. CKC Chinese Input method is a type of appearance-based coding system. It encodes a Chinese character according to the stroke features of its 4 corners. The sequence is upper left corner, upper right corner, lower left corner and lower right corner (following the shape of the alphabet “Z”) respectively. The strokes and the features of the Chinese character components are classified into 10 groups, represented by 0 through 9. 0 A left-falling stroke or a stroke with left-turning (丿亅). 1 A horizontal stroke or a horizontal rising stroke written from left to right (丨). 2 A vertical stroke or a left slanting stroke (一). 3 A dot or a right-falling stroke (丶 乀). 4 A cross or the radical of “Grass” (十乂卄). 5 The combination of a falling stroke runs through 2 horizontal strokes (≠ キ). 6 A square (口). 7 A corner, 2 upper corners, 2 lower corners or a stroke with right-turning (乚). 8 The shape of the numeral “Eight”(八) in Chinese or its variants (人丷). 9 The shape of the Chinese character which means “Small” (小), its variants and the radical of “Upright Heart”(忄).

About

童學字咭

Features
Read full description

本程式是「香港兒童讀寫學習研究協會」與插畫師「路邊攤」及《香港小學習字表》合作推出的《童學字咭》應用程式。用家透過掃描字咭上的QR Code,能夠尋找到相應中文字的筆順、字帖、詞彙和發音等,用簡單有趣的方法,幫助小朋友認識中文字。

Screenshots

CKC OCR4 screens
童學字咭3 screens

Verdict

The call

The clearest difference is update cadence: CKC OCR at fortnightly against 童學字咭's every 7 months. 童學字咭's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

CKC OCR ships an update fortnightly, 童學字咭 every 7 months. The most recent releases landed on October 4, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 8 level
CKC OCR versus 童學字咭: the parameters behind the verdict, then further details
ParameterCKC OCR童學字咭
PriceFreeFree
Rating3.3 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyFortnightly — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size2 MB65 MB
Age rating4+4+
DeveloperKa Ho TseSecmenu Technology Limited

In-app purchases

None

CKC OCR

No in-app purchases

None

童學字咭

No in-app purchases

Questions

Is CKC OCR free?
CKC OCR is free to download, with no in-app purchases.
Is 童學字咭 free?
童學字咭 is free to download, with no in-app purchases.
Do CKC OCR or 童學字咭 have ads?
Neither CKC OCR nor 童學字咭 shows ads.
Which is updated more often, CKC OCR or 童學字咭?
CKC OCR ships an update fortnightly, and 童學字咭 every 7 months. Most recently, CKC OCR was updated on October 4, 2026 and 童學字咭 on September 24, 2026.

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