# GPS实时海拔 vs BIGEMAP卫星地图

The clearest difference is in-app purchases: BIGEMAP卫星地图 at none against GPS实时海拔's 1. BIGEMAP卫星地图 also leads on update cadence (weekly vs every 3 weeks) and ratings volume (7.7K vs 400). GPS实时海拔's advantage is rating (4.8 vs 4.5) and iOS requirement (11.0 vs 15.6). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. GPS实时海拔 sells 1 one-off in-app purchase. BIGEMAP卫星地图 asks for nothing beyond the download.

GPS实时海拔 holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: BIGEMAP卫星地图 has 7.7K ratings behind it against 400, so its average is the more settled of the two. Written reviews complicate that: 85% of GPS实时海拔's written reviews are positive against 89% of BIGEMAP卫星地图's, so the app with the better star average is not the one people write more warmly about.

GPS实时海拔 ships an update every 3 weeks, BIGEMAP卫星地图 weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | GPS实时海拔 | BIGEMAP卫星地图 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (400 ratings)](https://appshunter.io/ios/app/gps/id1364335371/reviews)** | [4.5 (7.7K ratings)](https://appshunter.io/ios/app/bigemap/id1481799950/reviews) |
| Number of ratings | 400 | **7.7K** |
| Positive reviews | 84.6% of reviews | **89.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 42 MB | 250 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [福州乐迅网络科技有限公司](https://appshunter.io/developer/1106721297) | [Chengdu Bigemap Data Processing Co. Ltd](https://appshunter.io/developer/1480477241) |

## What reviewers say

### GPS实时海拔

[App page](https://appshunter.io/ios/app/gps/id1364335371)

This app provides real-time GPS altitude, coordinates, and compass readings for outdoor enthusiasts. It also features global earthquake cloud broadcasts and allows users to share photos with altitude watermarks. Integrated with various satellite and standard maps.

**Highlights:** Real-time GPS altitude display, Current coordinates (longitude/latitude), Real-time mobile compass, Global earthquake cloud broadcast, Altitude-stamped photo sharing, Integrated satellite and standard maps

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 终身VIP | $7.99 | one-time |


### BIGEMAP卫星地图

[App page](https://appshunter.io/ios/app/bigemap/id1481799950)

This app provides high-definition satellite maps, advanced surveying tools, and route planning for outdoor professionals and enthusiasts. It supports various data formats, offers collaborative features, and includes a watermark camera for field documentation.

**Highlights:** High-definition satellite imagery, Outdoor surveying and design tools, Watermark camera for field photos, Route planning and navigation, Track recording and sharing, 3D maps and profile views, Collaborative work features, Offline map data support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GPS实时海拔 free?

GPS实时海拔 is free to download, with in-app purchases available.

### Is BIGEMAP卫星地图 free?

BIGEMAP卫星地图 is free to download, with no in-app purchases.

### Which has better reviews, GPS实时海拔 or BIGEMAP卫星地图?

GPS实时海拔 is rated higher. GPS实时海拔 averages 4.8 out of 5 from 400 ratings, while BIGEMAP卫星地图 averages 4.5 from 7.7K ratings.

### Do GPS实时海拔 or BIGEMAP卫星地图 have ads?

Both GPS实时海拔 and BIGEMAP卫星地图 show ads.

### Which is updated more often, GPS实时海拔 or BIGEMAP卫星地图?

GPS实时海拔 ships an update every 3 weeks, and BIGEMAP卫星地图 weekly. Most recently, GPS实时海拔 was updated on October 24, 2026 and BIGEMAP卫星地图 on October 24, 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.*