# Barometer and Altimeter vs Marine Barometer

The clearest difference is rating: Marine Barometer at 4.5 against Barometer and Altimeter's 3.4. Barometer and Altimeter's advantage is update cadence (every 2 months vs every 15 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Marine Barometer holds the better App Store score, 4.5 against 3.4. Both are backed by a comparable volume of ratings — 24 and 33 respectively. Written reviews split almost evenly too, at 78% and 78% positive.

Barometer and Altimeter ships an update every 2 months, Marine Barometer every 15 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Barometer and Altimeter | Marine Barometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (24 ratings)](https://appshunter.io/ios/app/barometer-and-altimeter/id922859877/reviews) | **[4.5 (33 ratings)](https://appshunter.io/ios/app/marine-barometer/id1370744934/reviews)** |
| Number of ratings | 24 | **33** |
| Positive reviews | 77.7% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 15 months |
| Monetization | Free | Free |
| Size | 3 MB | 38 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peter Breitling](https://appshunter.io/developer/286215120) | [Starpath Corp](https://appshunter.io/developer/1345556660) |

## What reviewers say

### Barometer and Altimeter

[App page](https://appshunter.io/ios/app/barometer-and-altimeter/id922859877)

This application utilizes your device's barometer sensor to measure altitude and atmospheric pressure. It offers various unit modes and can automatically update reference pressure from nearby weather stations. The app also displays current temperature and includes a widget for quick access to key information.

**Highlights:** Barometer sensor utilization, Altitude measurement, Automatic reference pressure updates, Current temperature display, Multiple unit modes, Today widget

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

**In-app purchases:** none


### Marine Barometer

[App page](https://appshunter.io/ios/app/marine-barometer/id1370744934)

This app provides accurate atmospheric pressure readings for mariners, allowing them to manually save readings with location and time data. It explains sea level pressure calculation and offers calibration checks with adjustable sensor offsets.

**Highlights:** Accurate atmospheric pressure readings, Manual saving of pressure, location, and time, Sensor offset adjustment, Sea level pressure explanation, Calibration check instructions, Multiple pressure unit options

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Barometer and Altimeter free?

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

### Is Marine Barometer free?

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

### Which has better reviews, Barometer and Altimeter or Marine Barometer?

Marine Barometer is rated higher. Barometer and Altimeter averages 3.4 out of 5 from 24 ratings, while Marine Barometer averages 4.5 from 33 ratings.

### Do Barometer and Altimeter or Marine Barometer have ads?

Neither Barometer and Altimeter nor Marine Barometer shows ads.

### Which is updated more often, Barometer and Altimeter or Marine Barometer?

Barometer and Altimeter ships an update every 2 months, and Marine Barometer every 15 months. Most recently, Barometer and Altimeter was updated on November 1, 2026 and Marine Barometer 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.*