# Altimeter vs MappArch Donne

The clearest difference is ads: MappArch Donne at none against Altimeter's shown. On price, update cadence, 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.

Altimeter ships an update every 2 months, MappArch Donne every 5 weeks. The most recent releases landed on November 11, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Altimeter | MappArch Donne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (127 ratings)](https://appshunter.io/ios/app/altimeter-i/id905216286/reviews)** | — |
| Number of ratings | **127** | — |
| Positive reviews | 53.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 86 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [cityopensource srl](https://appshunter.io/developer/1567231501) |

## What reviewers say

### Altimeter

[App page](https://appshunter.io/ios/app/altimeter-i/id905216286)

This app uses your iPhone's GPS to display your current, maximum, and minimum altitude. It's ideal for hikers and travelers who need to know their elevation in various units and with adjustable scale magnification.

**Highlights:** GPS altitude display, Current, max, and min altitude tracking, Multiple unit options (m, ft, yd), Adjustable scale magnification, Ideal for hiking and travel

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


### MappArch Donne

[App page](https://appshunter.io/ios/app/mapparch-donne/id6744000759)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Altimeter free?

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

### Is MappArch Donne free?

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

### Do Altimeter or MappArch Donne have ads?

Altimeter shows ads; MappArch Donne does not.

### Which is updated more often, Altimeter or MappArch Donne?

Altimeter ships an update every 2 months, and MappArch Donne every 5 weeks. Most recently, Altimeter was updated on November 11, 2026 and MappArch Donne 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.*