# Accurate Barometer vs Marine Barometer

The clearest difference is review sentiment: Marine Barometer at 78% against Accurate Barometer's 20%. Marine Barometer also leads on rating (4.5 vs 1.0) and ratings volume (33 vs 1). Accurate Barometer's advantage is update cadence (every 6 months vs every 15 months) and iOS requirement (8.0 vs 12.0). On price, ads, in-app purchases and monetization model 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 1.0. That said, the two scores are not equally well evidenced: Marine Barometer has 33 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of Accurate Barometer's written reviews are positive against 78% of Marine Barometer's.

Accurate Barometer ships an update every 6 months, Marine Barometer every 15 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Accurate Barometer | Marine Barometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/accurate-barometer/id967776229/reviews) | **[4.5 (33 ratings)](https://appshunter.io/ios/app/marine-barometer/id1370744934/reviews)** |
| Number of ratings | 1 | **33** |
| Positive reviews | 20.0% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 15 months |
| Monetization | Free | Free |
| Size | 9 MB | 38 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [margaret kovatch](https://appshunter.io/developer/1039651981) | [Starpath Corp](https://appshunter.io/developer/1345556660) |

## What reviewers say

### Accurate Barometer

[App page](https://appshunter.io/ios/app/accurate-barometer/id967776229)

Displays atmospheric pressure for your current location. This app offers a straightforward and efficient way to access real-time weather data. It's designed for quick and easy use.

**Highlights:** Displays atmospheric pressure, Shows pressure at current location, Simple interface, Quick data access, Effective weather tool

**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 Accurate Barometer free?

Accurate Barometer 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, Accurate Barometer or Marine Barometer?

Marine Barometer is rated higher. Accurate Barometer averages 1.0 out of 5 from 1 ratings, while Marine Barometer averages 4.5 from 33 ratings.

### Do Accurate Barometer or Marine Barometer have ads?

Neither Accurate Barometer nor Marine Barometer shows ads.

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

Accurate Barometer ships an update every 6 months, and Marine Barometer every 15 months. Most recently, Accurate Barometer was updated on October 13, 2026 and Marine Barometer on October 3, 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.*