# 笔袋 vs ViscosityAR

The clearest difference is in-app purchases: ViscosityAR at none against 笔袋's 10. ViscosityAR also leads on ads (none vs shown). 笔袋's advantage is iOS requirement (12.0 vs 16.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 笔袋 sells 10 one-off in-app purchases. ViscosityAR asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 笔袋 | ViscosityAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (57 ratings)](https://appshunter.io/ios/app/5/id6447990314/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 92.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 66 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [高就啊](https://appshunter.io/developer/1682442265) | [少鹏 郝](https://appshunter.io/developer/1895576084) |

## What reviewers say

### 笔袋

[App page](https://appshunter.io/ios/app/5/id6447990314)

This app is a comprehensive platform for academic growth and career planning. It offers personalized college application guidance based on student performance and interests, a community forum for knowledge sharing, and a dedicated learning section with study tools and subject-specific content.

**Highlights:** College application guidance, Community forum for discussion, Learning resources and tools, Score tracking, Poetry memorization tools

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 网盘会员-1个月 | $2.99 | one-time |
| 笔袋大会员-1个月 | $4.99 | one-time |
| 网盘会员-3个月 | $5.99 | one-time |
| 学科库会员 | $5.99 | one-time |
| 网盘会员-6个月 | $9.99 | one-time |
| 网盘会员-1年 | $14.99 | one-time |
| 笔袋大会员-3个月 | $14.99 | one-time |
| 学科库会员 | $14.99 | one-time |
| 笔袋大会员-6个月 | $24.99 | one-time |
| 笔袋大会员-1年 | $29.99 | one-time |


### ViscosityAR

[App page](https://appshunter.io/ios/app/viscosityar/id6763971709)

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

**In-app purchases:** none


## Frequently asked questions

### Is 笔袋 free?

笔袋 is free to download, with in-app purchases available.

### Is ViscosityAR free?

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

### Do 笔袋 or ViscosityAR have ads?

笔袋 shows ads; ViscosityAR does not.

### Which is updated more often, 笔袋 or ViscosityAR?

笔袋 ships an update every 5 days, and ViscosityAR every 5 days. Most recently, 笔袋 was updated on November 3, 2026 and ViscosityAR on October 2, 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.*