# AltitudeMeter&GPSCameraTool海拔计 vs MiaClock

The clearest difference is iOS requirement: AltitudeMeter&GPSCameraTool海拔计 at 13.0 against MiaClock's 15.1. 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.

Both ship on a similar rhythm, roughly every 3 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | AltitudeMeter&GPSCameraTool海拔计 | MiaClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/altitudemeter-and-gpscameratool/id6747572733/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free | — |
| Size | 21 MB | 54 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [绍霖 卢](https://appshunter.io/developer/1831639874) | [Weining Huang](https://appshunter.io/developer/1789198274) |

## What reviewers say

### AltitudeMeter&GPSCameraTool海拔计

[App page](https://appshunter.io/ios/app/altitudemeter-and-gpscameratool/id6747572733)

Measure your current altitude with GPS or barometric sensors. Switch units between meters and feet, and get real-time updates. Ideal for outdoor activities like hiking and photography.

**Highlights:** GPS altitude measurement, Barometric sensor calibration, Unit conversion (meters/feet), Real-time altitude updates, Outdoor activity companion

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

**In-app purchases:** none


### MiaClock

[App page](https://appshunter.io/ios/app/miaclock/id6748896862)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AltitudeMeter&GPSCameraTool海拔计 free?

AltitudeMeter&GPSCameraTool海拔计 is free to download, with no in-app purchases.

### Is MiaClock free?

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

### Do AltitudeMeter&GPSCameraTool海拔计 or MiaClock have ads?

Neither AltitudeMeter&GPSCameraTool海拔计 nor MiaClock shows ads.

### Which is updated more often, AltitudeMeter&GPSCameraTool海拔计 or MiaClock?

AltitudeMeter&GPSCameraTool海拔计 ships an update every 3 days, and MiaClock every 3 days. Most recently, AltitudeMeter&GPSCameraTool海拔计 was updated on October 30, 2026 and MiaClock on October 30, 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.*