# 熊猫书简 vs æstel

The clearest difference is in-app purchases: æstel at none against 熊猫书简's 3. æstel also leads on update cadence (daily vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 熊猫书简 sells 3 in-app purchases, starting at $0.99 per month. æstel asks for nothing beyond the download.

熊猫书简 ships an update fortnightly, æstel daily. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 熊猫书简 | æstel |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Freemium | — |
| Size | 108 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [荣九 蔡](https://appshunter.io/developer/1607448942) | [Yuhe Ye](https://appshunter.io/developer/1888084427) |

## What reviewers say

### 熊猫书简

[App page](https://appshunter.io/ios/app/id6467016173)

This app helps Chinese readers track reading time, progress, and notes. Organize your reading history, create reading archives from various sources, and visualize your reading habits with statistics and heatmaps. It offers features like book management, timers, and Markdown export.

**Highlights:** Reading time and progress tracking, Book, list, and tag management, Reading statistics and heatmaps, Note-taking and book reviews, Markdown export, Cross-device synchronization

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度 | $0.99 | per month |
| 买断 | $9.99 | one-time |
| 买断 | $14.99 | one-time |


### æstel

[App page](https://appshunter.io/ios/app/stel/id6761330709)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 熊猫书简 free?

熊猫书简 is free to download, with in-app purchases available.

### Is æstel free?

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

### Do 熊猫书简 or æstel have ads?

Neither 熊猫书简 nor æstel shows ads.

### Which is updated more often, 熊猫书简 or æstel?

熊猫书简 ships an update fortnightly, and æstel daily. Most recently, 熊猫书简 was updated on October 14, 2026 and æstel on October 5, 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.*