R21 vs ezWrite Chinese
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
R21
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R21 is a new six-level reading series carefully designed to help young learners develop the skills they’ll need to succeed in the 21st century. Each book covers a range of topics and makes use of the latest Content and Language Integrated Learning (CLIL) methods to ensure they’ll appeal to young children and have a connection to children’s wider studies and experiences. With R21, reading is fun, inspiring as well as informative, and children will not only develop their reading competence but also become a great thinker in the 21st century.
ezWrite Chinese
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ezWriteChinese is an auxiliary app designed for people who want to learn writing traditional Chinese words. This App has more than 6,000 words. It’s critical that auxiliary learning App provides correct content. In order to confirm the accuracy of our database, stroke order, annotated sound and Regular Script font all follow the standards released by the Ministry of Education (R.O.C.). The copyright is at the end of the article. Features: . Animation for correct stroke order of each Chinese word. You can easily learn how to write by following the animation. . Voice-assisted learning It motivates pre-school children to learn by voice interaction. . Build your own exercise library! “What words should my kids learn at their age?” Every mom or dad has different idea. Now you can customize your own exercise library for practice based on your kid’s learning level. . Correct Stroke order The stroke order has to be followed in order to complete an exercise. . Artificial Intelligence (AI) Evaluation Misalignment may happen while writing. This APP adopts AI to tolerant reasonable misalignment to prevent frustration while learning. . Color coded result Parents can understand the result of exercises by different colors. . Each word is shown with annotated sound (Bopomofo) Children can learn how to pronounce each word while writing. The pronunciation of this program adopts the built-in speech synthesis technology of mobile phone or tablet. We manually test all pronunciations on the latest version of iOS/iPadOS to avoid errors. If you have pronunciation problems, make sure your iPhone or iPad is updated to the latest version. Copyright Notice: . The data of stroke order are from the Ministry of Education (R.O.C.)’s “Learning Program for Stroke Order of Chinese Characters” (https://stroke-order.learningweb.moe.edu.tw/home.do). (CC BY-NC-ND 3.0 TW) . The data of Regular Script font are from the Ministry of Education (R.O.C.)’s “Standard Regular Script file.” (CC BY-ND 3.0 TW) . The data of phonetic are combined from the Ministry of Education (R.O.C.)’s “Revised Chinese Dictionary,” “Concise Chinese Dictionary,” and “Mini Chinese Dictionary.” (CC BY-ND 3.0 TW) This app using the standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: R21 at none against ezWrite Chinese's 4. R21 also leads on ads (none vs shown) and iOS requirement (9.0 vs 13.0). On price, update cadence 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
Both are free to download. ezWrite Chinese sells 4 in-app purchases, starting at $0.99 per month. R21 asks for nothing beyond the download.
R21 ships an update every 3 months, ezWrite Chinese every 6 weeks. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.
| Parameter | R21 | ezWrite Chinese |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 114 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | CAVES BOOKS LTD. | Ming-hua Wu |
In-app purchases
R21
No in-app purchases
ezWrite Chinese
- print feature 1 month3 Days trial$0.991 Month
- print feature 6 months$3.996 Months
- print feature 12 months$5.991 Year
- Removed AD$4.99









