# Marine Barometer vs Barometer

The clearest difference is rating: Marine Barometer at 4.5 against Barometer's 3.7. Marine Barometer also leads on in-app purchases (none vs 3) and review sentiment (78% vs 62%). Barometer's advantage is update cadence (every 5 days vs every 15 months). On price, ads and device support there is nothing between them.

Both are free to download. Barometer sells 3 one-off in-app purchases. Marine Barometer asks for nothing beyond the download.

Marine Barometer holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 33 and 11 respectively. Written reviews point the same way: 78% of Marine Barometer's written reviews are positive against 62% of Barometer's.

Marine Barometer ships an update every 15 months, Barometer every 5 days. Both last shipped on November 2, 2026.

## The numbers

| Metric | Marine Barometer | Barometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (33 ratings)](https://appshunter.io/ios/app/marine-barometer/id1370744934/reviews)** | [3.7 (11 ratings)](https://appshunter.io/ios/app/barometer-weather-logger/id1435691955/reviews) |
| Number of ratings | **33** | 11 |
| Positive reviews | **77.8% of reviews** | 61.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 38 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Starpath Corp](https://appshunter.io/developer/1345556660) | [ichiro NAKAHARA](https://appshunter.io/developer/1435691954) |

## What reviewers say

### 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


### Barometer

[App page](https://appshunter.io/ios/app/barometer-weather-logger/id1435691955)

This app logs atmospheric pressure with sea level correction using GPS data. It can record data in the background or more frequently when in the foreground. Manual height and position settings are also available for fixed location logging.

**Highlights:** Atmospheric pressure logging, Sea level correction, GPS height integration, Background logging, Manual height/position setting, Foreground logging

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| coffee | $0.99 | one-time |
| orange juice | $3.99 | one-time |
| dinner | $8.99 | one-time |


## Frequently asked questions

### Is Marine Barometer free?

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

### Is Barometer free?

Barometer is free to download, with in-app purchases available.

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

Marine Barometer is rated higher. Marine Barometer averages 4.5 out of 5 from 33 ratings, while Barometer averages 3.7 from 11 ratings.

### Do Marine Barometer or Barometer have ads?

Neither Marine Barometer nor Barometer shows ads.

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

Marine Barometer ships an update every 15 months, and Barometer every 5 days. Most recently, Marine Barometer was updated on November 2, 2026 and Barometer on November 2, 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.*