# Altimeter X Lite vs Alt

The clearest difference is rating: Alt at 4.5 against Altimeter X Lite's 2.5. Alt also leads on ads (none vs shown) and review sentiment (76% vs 46%). Altimeter X Lite's advantage is iOS requirement (10.0 vs 17.0). On price, ratings volume, 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.

Alt holds the better App Store score, 4.5 against 2.5. Both are backed by a comparable volume of ratings — 6 and 8 respectively. Written reviews point the same way: 46% of Altimeter X Lite's written reviews are positive against 76% of Alt's.

Altimeter X Lite ships an update every 33 months, Alt every 15 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Altimeter X Lite | Alt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (6 ratings)](https://appshunter.io/ios/app/altimeter-x-lite/id417441825/reviews) | **[4.5 (8 ratings)](https://appshunter.io/ios/app/alt-o-meter/id1073846820/reviews)** |
| Number of ratings | 6 | **8** |
| Positive reviews | 46.3% of reviews | **76.5% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 33 months | **Every 15 months** |
| Monetization | Ad-supported | **Free** |
| Size | 5 MB | 3 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LiveWorlds](https://appshunter.io/developer/414640037) | [Joshua Hinman](https://appshunter.io/developer/1073846819) |

## What reviewers say

### Altimeter X Lite

[App page](https://appshunter.io/ios/app/altimeter-x-lite/id417441825)

This app displays your current altitude using GPS. It features a visually appealing analog dial with dynamic lighting. It is intended for entertainment purposes only.

**Highlights:** GPS altitude display, Analog dial interface, Dynamically lit display, Entertainment focused

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

**In-app purchases:** none


### Alt

[App page](https://appshunter.io/ios/app/alt-o-meter/id1073846820)

This app calculates your precise altitude above sea level using your device's barometer or GPS. It offers a realistic, retro design and automatically calibrates for local atmospheric pressure, with optional manual calibration for advanced users.

**Highlights:** Barometer-based altitude calculation, GPS fallback for devices without barometer, Automatic local pressure calibration, Optional user calibration, Retro-style interface, Precise height above sea level

**In-app purchases:** none


## Frequently asked questions

### Is Altimeter X Lite free?

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

### Is Alt free?

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

### Which has better reviews, Altimeter X Lite or Alt?

Alt is rated higher. Altimeter X Lite averages 2.5 out of 5 from 6 ratings, while Alt averages 4.5 from 8 ratings.

### Do Altimeter X Lite or Alt have ads?

Altimeter X Lite shows ads; Alt does not.

### Which is updated more often, Altimeter X Lite or Alt?

Altimeter X Lite ships an update every 33 months, and Alt every 15 months. Most recently, Altimeter X Lite was updated on October 21, 2026 and Alt on October 24, 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.*