Comparison

CKC OCR vs 古詩粵唱粵啱Key

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

古詩粵唱粵啱Key

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
Read full description

《古詩粵唱粵啱Key》透過粵語唱誦的示範和創作,讓使用者學習粵語字調在唱誦中的運用。本教育應用程式精選經典古詩,提供唱誦示範,使用者聆聽後可以跟著配樂練習唱誦古詩並錄音,更可以輸入自選的詩詞自行創作唱誦作品。使用者在錄音創作的過程中可以回聽和上傳分享自己的作品,也可以互相欣賞來自大家的作品。本應用程式獲香港教育大學(教大)資助以創建,並由人文學院中國語言學系張凌博士和教大編程教育部共同創作。

Screenshots

CKC OCR4 screens
古詩粵唱粵啱Key4 screens

Verdict

The call

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.

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, 古詩粵唱粵啱Key every 4 weeks. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

Scorecard2 real differences · 8 level
CKC OCR versus 古詩粵唱粵啱Key: the parameters behind the verdict, then further details
ParameterCKC OCR古詩粵唱粵啱Key
PriceFreeFree
Rating3.3 (3 ratings) — better—
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings3 — better—
Update frequencyFortnightly — betterEvery 4 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.69.0 — better
Further details — not scored
Size2 MB160 MB
Age rating4+4+
DeveloperKa Ho TseThe Education University of Hong Kong

Customer experience

CKC OCR

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

古詩粵唱粵啱Key

Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

None

CKC OCR

No in-app purchases

None

古詩粵唱粵啱Key

No in-app purchases

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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