ClassIn vs Rainbow Chinese Puzzles
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ClassIn
This integrated platform supports online and offline teaching with features like live classrooms, LMS, and personalized learning environments. It aims to empower educators and learners globally, fostering independent and self-disciplined lifelong learning.
- Online live classrooms
- Offline smart classrooms
- Learning Management System (LMS)
- Personal Learning Environment (PLE)
- Collaborative blackboard
- Virtual experiments
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Welcome to ClassIn and embrace the new era of lifelong learning! ClassIn, developed by Empower Education Online (EEO) for eight years, is an integrated teaching platform encompassing online live classrooms, offline smart classrooms, an LMS learning management system, and a PLE personal learning environment. ClassIn adheres to the essence of education, releasing the charm of teaching and learning, and cultivating independent and self-disciplined lifelong learners. As of now, ClassIn has been favored by educators and learners across the globe: · 150 countries · 2 million educators · 30 million learners · 20,000 K12 schools, higher education institutions, and enterprises. ClassIn effectively assists K12 schools, universities and enterprises with achieving high quality online, offline, hybrid, and intelligent teaching; ClassIn facilitates educators in creating a course system, knowledge space, learning community, and evaluation data that focus on learners; further, ClassIn enables teachers to enrich courses and teaching, and enhance students' core literacy and lifelong learning ability. Hybrid Learning Solutions ClassIn is widely praised for its comprehensive online and offline teaching solutions. It offers a seamless experience for up to 2000 people to attend online live classes, with 50 people's audio and video being displayed simultaneously. Furthermore, it provides a host of features, including collaborative blackboard, collaborative documents, group teaching and virtual experiments, to replicate the feeling of an offline environment. With its state-of-the-art intelligent teaching system, ClassIn provides an easy and efficient learning experience for both online and offline teaching. Learning Management System (LMS) ClassIn offers a comprehensive learning platform for traditional teaching activities, such as classrooms, homework, discussions, and assessments, to help students construct their own learning pathway. Moreover, with collaborative documents and internet communication, ClassIn promotes project-based, cooperative and inquiry-based learning, enabling students to practice and enhance their creativity, communication, and collaboration skills. Personal Learning Environment (PLE) ClassIn enables personalized and lifelong learning. In the era of internet and artificial intelligence, knowledge is iterating rapidly and is no longer centered in schools or libraries, but dispersed in society and networks, which requires learners to take the initiative to learn and pursue lifelong learning. ClassIn will continuously upgrade the PLE personal learning environment to build a lifelong learning system and cultivate self-disciplined lifelong learners. More to Explore on www.classin.com
Rainbow Chinese Puzzles
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**Rainbow Chinese - Visual Character Learning** Learn Chinese characters through colorful building blocks! Our revolutionary app makes complex characters easy by color-coding their structural components. **Rainbow Chinese** - Characters broken into colored "building blocks" - 7-color system for different structures (left-right, top-bottom, etc.) - Visual learning that sticks **Fun Game Modes** • **Puzzles**: Drag colored pieces to build characters • **Practice**: Match characters with beautiful illustrations **What You Get** • 60+ essential Chinese characters • Hand-drawn illustrations & accurate pronunciations • Works offline **Perfect for beginners, visual learners, and anyone curious about learning Chinese characters !** Transform the way you learn Chinese characters - download now and see the difference colors can make. *More resources at littlechinesechannel.com*
Screenshots
Verdict
The clearest difference is in-app purchases: Rainbow Chinese Puzzles at none against ClassIn's 13. ClassIn's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads 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. ClassIn sells 13 one-off in-app purchases. Rainbow Chinese Puzzles asks for nothing beyond the download.
ClassIn ships an update every 11 days, Rainbow Chinese Puzzles weekly. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.
| Parameter | ClassIn | Rainbow Chinese Puzzles |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (1K ratings) — better | — |
| Positive reviews | 50.5% of reviews | — |
| Number of ratings | 1K — better | — |
| Update frequency | Every 11 days | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 308 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | EEO Education Ltd. | Wenyi Cao |
Bugs and requests
ClassIn
Reported bugs
4 issues- Frequent crashes and freezes
- Issues with file uploads and downloads
- Microphone and camera problems
- Incompatibility with certain devices
Requested features
4 requests- Add autosave feature
- Improve screen sharing capabilities
- Enhance mobile app compatibility
- Provide better language support
Rainbow Chinese Puzzles
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ClassIn
- Purchase 1 additional lesson$0.99
- Purchase 2 additional lesson$1.99
- Purchase 4 additional lesson$2.99
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- Purchase 12 additional lesson$9.99
- Purchase 14 additional lesson$11.99
- Purchase 15 additional lesson$12.99
- Purchase 16 additional lesson$12.99
- Pro Edition$14.99
- Purchase 18 additional lesson$14.99
- Purchase 17 additional lesson$14.99
- Purchase 19 additional lesson$14.99
- Monthly Edition$17.99
- Purchase 20 additional lesson$17.99
Rainbow Chinese Puzzles
No in-app purchases
Questions
Is ClassIn free?
Is Rainbow Chinese Puzzles free?
Do ClassIn or Rainbow Chinese Puzzles have ads?
Which is updated more often, ClassIn or Rainbow Chinese Puzzles?
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