51飞鸟 vs 垃圾分类课堂
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
51飞鸟
This application helps university students improve their English skills through online learning. It allows users to view course lists, check in online, practice tests, and communicate with peers. The platform also tracks assignment completion.
- Online English courses
- Course list viewing
- Online check-in
- Practice test exercises
- Peer communication
- Assignment tracking
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51飞鸟是一款简单易用的大学生线上学习英语的软件，学生可以查看自己的课程列表，实现线上签到功能。学生可以随时随地的进行在线试题练习与交流，可以统计学生平时作业完成情况。
垃圾分类课堂
Learn and test your waste sorting knowledge through interactive 3D scenarios. This app features a large question bank and professional explanations to help users of all ages understand proper waste disposal. It includes timed challenges to assess sorting skills.
- Interactive 3D learning scenarios
- Extensive waste sorting question bank
- Professional knowledge explanations
- Timed sorting ability tests
- Suitable for all ages
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使用轻松新颖的3D场景交互方式，快速直观的让小朋友至成年人学习及测试自己的垃圾分类知识。 超大题库，满足长时间学习需求。 有专业的知识解答，让你在选错时，快速了解相应的垃圾分类专业知识。 每次按照2分钟倒计时检验垃圾分类能力。
Screenshots
Verdict
The clearest difference is review sentiment: 垃圾分类课堂 at 100% against 51飞鸟's 25%. 51飞鸟's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
51飞鸟 ships an update every 6 weeks, 垃圾分类课堂 every 2 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.
| Parameter | 51飞鸟 | 垃圾分类课堂 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 60 MB | 283 MB |
| Age rating | 4+ | 4+ |
| Developer | 北京学研汇智网络科技有限公司 | Shanghai NIJINGTECH Co.,Ltd. |
Customer experience
51飞鸟
垃圾分类课堂
In-app purchases
51飞鸟
No in-app purchases
垃圾分类课堂
No in-app purchases
