# Altimeter & Barometer vs CodeScaner

The clearest difference is price: Altimeter & Barometer at Free against CodeScaner's $2.99. Altimeter & Barometer also leads on iOS requirement (15 vs 26.0). CodeScaner's advantage is ads (none vs shown) and update cadence (monthly vs every 13 months). On in-app purchases and device support there is nothing between them.

Altimeter & Barometer is free to download; CodeScaner costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Altimeter & Barometer ships an update every 13 months, CodeScaner monthly. The most recent releases landed on September 29, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Altimeter & Barometer | CodeScaner |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.6 (152 ratings)](https://appshunter.io/ios/app/altimeter-and-barometer/id541514339/reviews)** | — |
| Number of ratings | **152** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 81 MB |
| Requires iOS | **15** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [CORS TECH Limited](https://appshunter.io/developer/1701057035) |

## What reviewers say

### Altimeter & Barometer

[App page](https://appshunter.io/ios/app/altimeter-and-barometer/id541514339)

This app provides real-time altitude and atmospheric pressure readings. It uses GPS for location and sea level measurements, with a conversion tool for meters to feet. For compatible devices, it also offers barometric pressure sensing.

**Highlights:** GPS altitude measurement, Sea level display in meters, Meter to feet conversion calculator, Barometric pressure sensor (iPhone 6+), Map of current position

**Features:** Vision Pro support

**In-app purchases:** none


### CodeScaner

[App page](https://appshunter.io/ios/app/codescaner/id6463154848)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Altimeter & Barometer free?

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

### Is CodeScaner free?

CodeScaner costs $2.99, with no in-app purchases.

### Do Altimeter & Barometer or CodeScaner have ads?

Altimeter & Barometer shows ads; CodeScaner does not.

### Which is updated more often, Altimeter & Barometer or CodeScaner?

Altimeter & Barometer ships an update every 13 months, and CodeScaner monthly. Most recently, Altimeter & Barometer was updated on September 29, 2026 and CodeScaner on September 22, 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.*