# 小树分级 vs Polly小班‑英文素养拓展

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.

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.

## The numbers

| Metric | 小树分级 | Polly小班‑英文素养拓展 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (27 ratings)](https://appshunter.io/ios/app/id6740281207/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 97.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 73 MB | 127 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上海小树分级信息科技有限公司](https://appshunter.io/developer/1789344341) | [LITTLE MOON PTE. LTD.](https://appshunter.io/developer/1780291442) |

## What reviewers say

### 小树分级

[App page](https://appshunter.io/ios/app/id6740281207)

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.

**Highlights:** 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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 半年 | $34.99 | one-time |
| 1年 | $49.99 | one-time |
| 年卡+AR | $59.99 | one-time |
| 年卡+名师伴读 | $79.99 | one-time |


### Polly小班‑英文素养拓展

[App page](https://appshunter.io/ios/app/polly/id6746146596)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 波利优学单次课 | $14.99 | one-time |


## Frequently asked questions

### Is 小树分级 free?

小树分级 is free to download, with in-app purchases available.

### Is Polly小班‑英文素养拓展 free?

Polly小班‑英文素养拓展 is free to download, with in-app purchases available.

### Do 小树分级 or Polly小班‑英文素养拓展 have ads?

Neither 小树分级 nor Polly小班‑英文素养拓展 shows ads.

### Which is updated more often, 小树分级 or Polly小班‑英文素养拓展?

小树分级 ships an update fortnightly, and Polly小班‑英文素养拓展 every 3 weeks. Most recently, 小树分级 was updated on November 4, 2026 and Polly小班‑英文素养拓展 on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*