# Altimeter vs Sami Express

The clearest difference is ads: Sami Express at none against Altimeter's shown. Altimeter's advantage is update cadence (every 2 months vs every 22 months) and iOS requirement (13.0 vs 15.6). On price, 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, Sami Express every 22 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Altimeter | Sami Express |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (121 ratings)](https://appshunter.io/ios/app/altimeter-i/id905216286/reviews)** | — |
| Number of ratings | **121** | — |
| Positive reviews | 53.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 22 months |
| Monetization | Ad-supported | — |
| Size | 7 MB | 69 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [ToolRides S.A.C](https://appshunter.io/developer/1618349145) |

## 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

**In-app purchases:** none


### Sami Express

[App page](https://appshunter.io/ios/app/sami-express/id1668141875)

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

**In-app purchases:** none


## Frequently asked questions

### Is Altimeter free?

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

### Is Sami Express free?

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

### Do Altimeter or Sami Express have ads?

Altimeter shows ads; Sami Express does not.

### Which is updated more often, Altimeter or Sami Express?

Altimeter ships an update every 2 months, and Sami Express every 22 months. Most recently, Altimeter was updated on October 24, 2026 and Sami Express on October 19, 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.*