# Max Altitude vs Plain Units

The clearest difference is in-app purchases: Max Altitude at none against Plain Units's 1. Max Altitude also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Plain Units sells 1 one-off in-app purchase. Max Altitude asks for nothing beyond the download.

## The numbers

| Metric | Max Altitude | Plain Units |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/max-altitude/id6759246206/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Monetization | Free | — |
| Size | 1 MB | 48 MB |
| Requires iOS | 17.2 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vincent Palma](https://appshunter.io/developer/1815043599) | [Nicolaus Lawson](https://appshunter.io/developer/1029201825) |

## What reviewers say

### Max Altitude

[App page](https://appshunter.io/ios/app/max-altitude/id6759246206)

This utility app provides precise elevation tracking by combining GPS and barometric sensor data. It offers real-time altitude readings in a user-friendly interface for outdoor activities or general curiosity.

**Highlights:** Precise elevation tracking, GPS and barometric sensor fusion, Real-time altitude data, Beautiful user interface, Compass functionality

**In-app purchases:** none


### Plain Units

[App page](https://appshunter.io/ios/app/plain-units-unit-converter/id6810955046)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Max Altitude free?

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

### Is Plain Units free?

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

### Do Max Altitude or Plain Units have ads?

Plain Units shows ads; Max Altitude 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.*