Comparison

CKC OCR vs 17Talki

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

17Talki

Read full description

17Talki是一家专注5-16岁海外华裔学生设计的一对一在线中国文化传播平台。 17Talki的Logo,寓意节节高升,象征着少年儿童蓬勃生长,一节一节的不断往上突破,同时,快乐的学习中国文化。 17Talki的吉祥物,寓意着吉祥、成功,象征着每一个在17Talki学习的小朋友,在未来的道路上梦想成真。 17Talki的目标,让每一个孩子在快乐中学习中国文化,收获知识,赋予孩子无限的可能。

Screenshots

CKC OCR4 screens
17Talki4 screens

Verdict

The call

The clearest difference is update cadence: 17Talki at every 5 days against CKC OCR's fortnightly. 17Talki also leads on iOS requirement (10.0 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, 17Talki every 5 days. The most recent releases landed on September 17, 2026 and September 12, 2026 respectively.

Scorecard2 real differences · 8 level
CKC OCR versus 17Talki: the parameters behind the verdict, then further details
ParameterCKC OCR17Talki
PriceFreeFree
Rating3.3 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.610.0 — better
Further details — not scored
Size2 MB122 MB
Age rating4+4+
DeveloperKa Ho TseZhuo Shao Information Technology Consulting (Shenyang) Co., Ltd.

In-app purchases

None

CKC OCR

No in-app purchases

None

17Talki

No in-app purchases

Questions

Is CKC OCR free?
CKC OCR is free to download, with no in-app purchases.
Is 17Talki free?
17Talki is free to download, with no in-app purchases.
Do CKC OCR or 17Talki have ads?
Neither CKC OCR nor 17Talki shows ads.
Which is updated more often, CKC OCR or 17Talki?
CKC OCR ships an update fortnightly, and 17Talki every 5 days. Most recently, CKC OCR was updated on September 17, 2026 and 17Talki on September 12, 2026.

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