# 三信北斗GPS vs 明牌珠宝

The clearest difference is update cadence: 明牌珠宝 at every 2 months against 三信北斗GPS's every 9 months. 三信北斗GPS's advantage is iOS requirement (9.1 vs 11.0). On price, ads, in-app purchases and device support 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, 明牌珠宝 every 2 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 三信北斗GPS | 明牌珠宝 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Size | 87 MB | 29 MB |
| Requires iOS | **9.1** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [升全 田](https://appshunter.io/developer/1052992207) | [浙江明牌珠宝股份有限公司](https://appshunter.io/developer/1573888771) |

## What reviewers say

### 三信北斗GPS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 明牌珠宝

[App page](https://appshunter.io/ios/app/id1573888769)

**Features:** macOS Compatibility

**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 明牌珠宝 free?

明牌珠宝 is free to download, with no in-app purchases.

### Do 三信北斗GPS or 明牌珠宝 have ads?

Neither 三信北斗GPS nor 明牌珠宝 shows ads.

### Which is updated more often, 三信北斗GPS or 明牌珠宝?

三信北斗GPS ships an update every 9 months, and 明牌珠宝 every 2 months. Most recently, 三信北斗GPS was updated on October 26, 2026 and 明牌珠宝 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.*