# 三信北斗GPS vs 费米扫描

The clearest difference is iOS requirement: 三信北斗GPS at 9.1 against 费米扫描's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

三信北斗GPS ships an update every 9 months, 费米扫描 every 7 months. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 三信北斗GPS | 费米扫描 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 7 months** |
| Size | 87 MB | 13 MB |
| Requires iOS | **9.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [升全 田](https://appshunter.io/developer/1052992207) | [Shanghai Yunxiao Information Technology Company Limited](https://appshunter.io/developer/1785446567) |

## What reviewers say

### 三信北斗GPS

[App page](https://appshunter.io/ios/app/gps/id1052992208)

**Features:** macOS Compatibility

**In-app purchases:** none


### 费米扫描

[App page](https://appshunter.io/ios/app/id6739461027)

**In-app purchases:** none


## Frequently asked questions

### Is 三信北斗GPS free?

三信北斗GPS is free to download, with no in-app purchases.

### Is 费米扫描 free?

费米扫描 is free to download, with no in-app purchases.

### Do 三信北斗GPS or 费米扫描 have ads?

Neither 三信北斗GPS nor 费米扫描 shows ads.

### Which is updated more often, 三信北斗GPS or 费米扫描?

三信北斗GPS ships an update every 9 months, and 费米扫描 every 7 months. Most recently, 三信北斗GPS was updated on October 26, 2026 and 费米扫描 on October 28, 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.*