# 国家通用手语系列 vs 3927

The clearest difference is review sentiment: 3927 at 100% against 国家通用手语系列's 50%. 3927 also leads on in-app purchases (none vs 5) and update cadence (every 6 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 国家通用手语系列 sells 5 one-off in-app purchases. 3927 asks for nothing beyond the download.

国家通用手语系列 ships an update every 5 months, 3927 every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | 国家通用手语系列 | 3927 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 64 MB | 238 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [华夏出版社](https://appshunter.io/developer/1309453100) | [PhraKhamphee](https://appshunter.io/developer/1711138401) |

## What reviewers say

### 国家通用手语系列

[App page](https://appshunter.io/ios/app/id1465697243)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6阅读币 | $0.99 | one-time |
| 12阅读币 | $1.99 | one-time |
| 18阅读币 | $2.99 | one-time |
| 30阅读币 | $4.99 | one-time |
| 68阅读币 | $9.99 | one-time |


### 3927

[App page](https://appshunter.io/ios/app/3927/id1616462747)

A platform for indexing and quickly retrieving information using reference numbers. Users can input a data identifier to access specific details.

**Highlights:** Data indexing platform, Quick information retrieval, Input data reference numbers, View specific details

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

**In-app purchases:** none


## Frequently asked questions

### Is 国家通用手语系列 free?

国家通用手语系列 is free to download, with in-app purchases available.

### Is 3927 free?

3927 is free to download, with no in-app purchases.

### Do 国家通用手语系列 or 3927 have ads?

Neither 国家通用手语系列 nor 3927 shows ads.

### Which is updated more often, 国家通用手语系列 or 3927?

国家通用手语系列 ships an update every 5 months, and 3927 every 6 weeks. Most recently, 国家通用手语系列 was updated on November 3, 2026 and 3927 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.*