# 实时高度表：GPS海拔测量仪 vs AltiStamp

The clearest difference is in-app purchases: 实时高度表：GPS海拔测量仪 at none against AltiStamp's 3. AltiStamp's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AltiStamp sells 3 one-off in-app purchases. 实时高度表：GPS海拔测量仪 asks for nothing beyond the download.

## The numbers

| Metric | 实时高度表：GPS海拔测量仪 | AltiStamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/altistamp-camera/id6748038454/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 54 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [群 彭](https://appshunter.io/developer/1823569294) |

## What reviewers say

### 实时高度表：GPS海拔测量仪

[App page](https://appshunter.io/ios/app/gps/id6747752255)

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

**In-app purchases:** none


### AltiStamp

[App page](https://appshunter.io/ios/app/altistamp-camera/id6748038454)

Capture your outdoor adventures with real-time elevation, GPS, and weather data. Add professional watermarks to your photos and create seamless collages to share your journey.

**Highlights:** Real-time elevation and GPS coordinates, Compass, speed, pressure, and weather details, UV index, sunrise/sunset, and moon times, Customizable altitude watermark frames, Seamless 2-5 photo horizontal collages, On-device processing for privacy

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | one-time |
| Premium Yearly | $7.99 | one-time |
| Lifetime Premium | $9.99 | one-time |


## Frequently asked questions

### Is 实时高度表：GPS海拔测量仪 free?

实时高度表：GPS海拔测量仪 is free to download, with no in-app purchases.

### Is AltiStamp free?

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

### Do 实时高度表：GPS海拔测量仪 or AltiStamp have ads?

实时高度表：GPS海拔测量仪 shows ads; AltiStamp does not.

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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.*