# Alti vs Hazard Map

The clearest difference is price: Alti at Free against Hazard Map's $9.99. Alti also leads on update cadence (every 37 months vs every 91 months) and iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Alti is free to download; Hazard Map costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Alti ships an update every 37 months, Hazard Map every 91 months. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Alti | Hazard Map |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[3.9 (286 ratings)](https://appshunter.io/ios/app/alti-meter/id1415403761/reviews)** | — |
| Number of ratings | **286** | — |
| Positive reviews | 32.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 37 months** | Every 91 months |
| Monetization | Free | — |
| Size | 24 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [albertopasca.it](https://appshunter.io/developer/464579580) | [Jose Leal](https://appshunter.io/developer/1441468562) |

## What reviewers say

### Alti

[App page](https://appshunter.io/ios/app/alti-meter/id1415403761)

This app provides your current altitude with a simple and cool interface. It allows switching between meters and feet and automatically stores your maximum altitude. It's also available for Apple Watch and as a widget.

**Highlights:** Current altitude display, Switch between meters and feet, Store maximum altitude, Apple Watch support, Widget support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and essential
- 🚀 Very fast readings
- 👍 Clean design
- 👍 Works as promised

**What reviewers complain about**

- 🐛 Inaccurate altitude readings
- 🐛 App is stuck
- 🐛 Géolocalisation ne fonctionne pas
- 🐛 Doesn’t work most of the time
- 🐛 Altitude jumps around

**Reported bugs**

- Altimeter does not read location
- App is stuck
- Not accurate
- Géolocalisation ne fonctionne pas
- Doesn't seem to work on iPad 9

**Requested features**

- Display GPS accuracy
- Add a way to view past altitudes
- Instructions for use


### Hazard Map

[App page](https://appshunter.io/ios/app/hazard-map/id1459496911)

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

**In-app purchases:** none


## Frequently asked questions

### Is Alti free?

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

### Is Hazard Map free?

Hazard Map costs $9.99, with no in-app purchases.

### Do Alti or Hazard Map have ads?

Neither Alti nor Hazard Map shows ads.

### Which is updated more often, Alti or Hazard Map?

Alti ships an update every 37 months, and Hazard Map every 91 months. Most recently, Alti was updated on October 20, 2026 and Hazard Map on October 14, 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.*