Studio 789 vs CharGem
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Studio 789
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- Parent login to view their student's information - Renewal or special event reminder - Deliver message or notice to parent - Enrollment details and renewal history - Class schedule - School calendar - Photo sharing - School policy and information - School contacts and map - e-Receipt and e-Invoice - Online tuition payment - Membership function
CharGem
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CharGem helps learners read AND write Chinese characters ā the way they're taught in school, made playful. Grade 1 is free. Go further to unlock Grades 2ā6. WHAT'S INSIDE ⢠2,555 characters organized by grade, term and lesson ā Grade 1 is free ⢠Write stroke by stroke ā trace first, then write from memory ⢠1,619 characters shown in real example sentences, so learning has context ⢠Games and quizzes: listening, fill-the-blank, matching, mastery checks ⢠Traditional + Zhuyin for Taiwan Ā· Simplified + Pinyin for China and Singapore Ā· English interface for heritage families ⢠Gentle daily reminders, streaks, gems, and collectible treasures to keep learners coming back BUILT FOR FAMILIES ⢠No ads, ever ā nothing interrupts your child ⢠Works offline ā no connection needed to practise ⢠Private by design ā no third-party tracking Meet MópĆ, the red-panda cub who cheers you on. Free to start today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://zibao.nextstarai.com/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Studio 789 at none against CharGem's 2. CharGem's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. CharGem sells 2 in-app purchases, starting at $4.99 per 7 days. Studio 789 asks for nothing beyond the download.
Studio 789 ships an update every 2 months, CharGem every 2 weeks. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.
| Parameter | Studio 789 | CharGem |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 weeks ā better |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 ā better |
| Further details ā not scored | ||
| Size | 12 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Dreamware Limited | Next Star AI, LLC |
In-app purchases
Studio 789
No in-app purchases
CharGem
- Weekly3 Days trial$4.997 Days
- Yearly14 Days trial$24.991 Year








