# AStamp vs 快丸云

The clearest difference is review sentiment: AStamp at 100% against 快丸云's 50%. AStamp also leads on in-app purchases (none vs 10). 快丸云's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. 快丸云 sells 10 in-app purchases, starting at $4.99 per month. AStamp asks for nothing beyond the download.

AStamp ships an update every 2 months, 快丸云 every 3 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AStamp | 快丸云 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astamp/id400883592/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 413 MB | 30 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [蒨 周](https://appshunter.io/developer/400883595) | [昕茹 陈](https://appshunter.io/developer/1704923167) |

## What reviewers say

### AStamp

[App page](https://appshunter.io/ios/app/astamp/id400883592)

This app provides a comprehensive catalog of Chinese mainland stamps issued after 1949, including commemorative, special, and miniature sheets. It displays stamp information, images, and synchronized market prices for reference. Users can access some images directly and download others from the internet.

**Highlights:** Catalog of Chinese mainland stamps, Stamp information and images, Synchronized market prices, Reference for buying and selling, Downloadable stamp images

**Features:** macOS Compatibility

**In-app purchases:** none


### 快丸云

[App page](https://appshunter.io/ios/app/id6464026703)

Access and play PC games on your mobile device without hardware limitations. Enjoy your favorite titles anytime, anywhere, streamed directly to your phone or tablet.

**Highlights:** Play PC games on mobile, Stream games anywhere, No hardware limitations, Automatic renewal options, Manage subscriptions

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $4.99 | per month |
| 连续包季 | $14.99 | per 3 months |
| 连续包年 | $39.99 | per year |
| 1天速进时效 | $0.99 | one-time |
| 3天速进时效 | $2.99 | one-time |
| 10小时时长卡 | $4.99 | one-time |
| 7天速进时效 | $5.99 | one-time |
| 20小时时长卡 | $7.99 | one-time |
| 40小时时长卡 | $14.99 | one-time |
| 100小时时长卡 | $29.99 | one-time |


## Frequently asked questions

### Is AStamp free?

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

### Is 快丸云 free?

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

### Do AStamp or 快丸云 have ads?

Neither AStamp nor 快丸云 shows ads.

### Which is updated more often, AStamp or 快丸云?

AStamp ships an update every 2 months, and 快丸云 every 3 weeks. Most recently, AStamp was updated on November 6, 2026 and 快丸云 on November 3, 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.*