小树分级 vs Polly小班‑英文素养拓展
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
小树分级
This app offers graded English reading materials for children and teenagers, aligned with KPF exam levels. It features articles from foreign publications, adapted into multiple difficulty levels, covering diverse topics and a complete learning journey from pre-reading to post-lesson tests.
- Strict KPF exam level alignment
- Articles from foreign publications
- Multiple difficulty levels per article
- Covers 5 major topic areas
- Complete learning journey: pre-read to tests
- Weekly new content
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[英语分级] 真人外教分级改写；真人名师伴读； - 时文含5个分级难度。覆盖小学到高考，适合6-18岁。 - 每篇文章都经过美国权威机构难度测评。 [认知分级] 儿童版每天更新1篇+少年版每天更新1篇 - 儿童版：贴近生活，激发兴趣，开阔视野。 - 少年版：扩展知识，多元文化，思辨能力。 # 睿乐生官方授权： - 每篇文章都经由睿乐生（AR）认证分级难度 # 强大编辑背景： - 资深新闻编辑。真人外教分级改写。真人名师伴读 # 六大特色内容： - 时效性强：儿童版+少年版每周共10篇时文！ - 内容量大：历史累计 3000篇文章全部开放 - 考试同源外刊：连续三年命中考试英语相关话题 - 覆盖八大版块：人工智能、中国文化等八大板块 - 5大专栏：BigDebate、GoAbroad等特色专栏培养思辨、拓展视野 - 更多专题报道：暑期特辑、美国大选、ChatGPT 等专题报道 # 完整的学习旅程： 课前导读 -> 生词预习 -> 原版听读 -> 拓展阅读 -> 课后测试 -> 打卡收藏 小树分级两周年，用户好评如潮！欢迎体验！~ [隐私政策] http://www.xiaoshufenji.com/ysxy.html
Polly小班‑英文素养拓展
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全球领先的英文素养提升平台。 致力于为全球英语学习者提供更专业、更系统的英文素养提升服务，一站式解决英文素养提升难题。 产品特色 【科学进阶】框架完备，语料丰富，跨主题培养思辨能力，零基础也能稳步提升。 【多维成长】完整成长报告，精准定位薄弱项，清晰规划下一阶段成长目标。 【内容多元】囊括经典绘本、儿歌内容，看绘本、听儿歌，全面提升语感与表达能力。 立即下载 Polly 小班，系统提升英文素养！
Screenshots
Verdict
小树分级 and Polly小班‑英文素养拓展 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. 小树分级 sells 4 one-off in-app purchases and Polly小班‑英文素养拓展 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
小树分级 ships an update fortnightly, Polly小班‑英文素养拓展 every 3 weeks. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.
| Parameter | 小树分级 | Polly小班‑英文素养拓展 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (27 ratings) — better | — |
| Positive reviews | 97.9% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 73 MB | 127 MB |
| Age rating | 4+ | 4+ |
| Developer | 上海小树分级信息科技有限公司 | LITTLE MOON PTE. LTD. |
In-app purchases
小树分级
- 半年$34.99
- 1年$49.99
- 年卡+AR$59.99
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- 年卡+名师伴读$79.99
Polly小班‑英文素养拓展
- 波利优学单次课$14.99
