# 文言文通 vs Sapling Isle

The clearest difference is in-app purchases: Sapling Isle at none against 文言文通's 4. 文言文通's advantage is iOS requirement (13.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 文言文通 sells 4 in-app purchases, starting at $3.99 per month. Sapling Isle asks for nothing beyond the download.

文言文通 ships an update every 9 days, Sapling Isle fortnightly. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 文言文通 | Sapling Isle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 93 MB | 40 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zhaohuan Network Technology Co., Ltd.](https://appshunter.io/developer/1733427951) | [大鹏 张](https://appshunter.io/developer/937718061) |

## What reviewers say

### 文言文通

[App page](https://appshunter.io/ios/app/id6764356353)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 文言文通月度会员 | $3.99 | per month |
| 文言文通年度会员 | $14.99 | per year |
| 文言文通一个月会员 | $4.99 | one-time |
| 3年会员 | $29.99 | one-time |


### Sapling Isle

[App page](https://appshunter.io/ios/app/sapling-isle-physics-lab/id6792211746)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 文言文通 free?

文言文通 is free to download, with in-app purchases available.

### Is Sapling Isle free?

Sapling Isle is free to download, with no in-app purchases.

### Do 文言文通 or Sapling Isle have ads?

Neither 文言文通 nor Sapling Isle shows ads.

### Which is updated more often, 文言文通 or Sapling Isle?

文言文通 ships an update every 9 days, and Sapling Isle fortnightly. Most recently, 文言文通 was updated on September 13, 2026 and Sapling Isle on September 10, 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.*