# mapper.one vs Altim

The clearest difference is iOS requirement: mapper.one at 15.1 against Altim's 17.6. 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.

## The numbers

| Metric | mapper.one | Altim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/altim-o-tron/id6794895524/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | — | Free |
| Size | 45 MB | 5 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Eric Crews](https://appshunter.io/developer/957760473) | [Benjamin Robert Long](https://appshunter.io/developer/1702347982) |

## What reviewers say

### mapper.one

[App page](https://appshunter.io/ios/app/mapperone/id6778850829)

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

**In-app purchases:** none


### Altim

[App page](https://appshunter.io/ios/app/altim-o-tron/id6794895524)

This app provides precise altitude readings using GPS and your device's barometer, even without a network connection. It offers detailed elevation profiles, vertical speed, and a unique database for comparing your height to landmarks and natural phenomena. Record your climbs and export data for further analysis.

**Highlights:** GPS and barometer fusion for accuracy, Offline functionality, Live elevation profile, Altitude intel database, True north compass, Session recording and GPX export, Offline barograph for weather tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is mapper.one free?

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

### Is Altim free?

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

### Do mapper.one or Altim have ads?

Neither mapper.one nor Altim shows ads.

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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.*