# Sun n Moon vs Marine Barometer

The clearest difference is price: Marine Barometer at Free against Sun n Moon's $0.99. Marine Barometer also leads on review sentiment (78% vs 59%) and ratings volume (33 vs 8). Sun n Moon's advantage is rating (5.0 vs 4.5) and update cadence (every 5 weeks vs every 15 months). On ads, in-app purchases and device support there is nothing between them.

Marine Barometer is free to download; Sun n Moon costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sun n Moon holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 8 and 33 respectively. Written reviews complicate that: 59% of Sun n Moon's written reviews are positive against 78% of Marine Barometer's, so the app with the better star average is not the one people write more warmly about.

Sun n Moon ships an update every 5 weeks, Marine Barometer every 15 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Sun n Moon | Marine Barometer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/sun-n-moon/id294937581/reviews)** | [4.5 (33 ratings)](https://appshunter.io/ios/app/marine-barometer/id1370744934/reviews) |
| Number of ratings | 8 | **33** |
| Positive reviews | 59.2% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 15 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#76** | — |
| Size | 8 MB | 38 MB |
| Requires iOS | **8.2** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Catalyst4](https://appshunter.io/developer/294937584) | [Starpath Corp](https://appshunter.io/developer/1345556660) |

## What reviewers say

### Sun n Moon

[App page](https://appshunter.io/ios/app/sun-n-moon/id294937581)

**Currently charting:** #76 Top Paid · Weather (US App Store)

This app provides precise sunrise, sunset, moonrise, and moonset times for any location on Earth. It features a compass showing celestial body positions, moon phase animations, and detailed astronomical data. Access information for past and future dates, with offline capabilities.

**Highlights:** Sunrise and sunset times, Moonrise and moonset times, Moon phases animation, Compass showing sun and moon positions, Location by GPS, city list, lat/lon, or Google Maps, Accurate times (NOAA standard) offline

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🌟 Well-designed interface
- 🎯 Accurate sun and moon information
- 📸 Great for photographers
- 📍 Automatic location detection

**What reviewers complain about**

- 📉 Lack of recent updates
- 🐛 Inaccurate data reported
- ⏳ Outdated for new OS
- 🖱️ Inconvenient navigation
- 🏙️ Limited city list

**Reported bugs**

- App crashes after updates
- Inaccurate time zone data
- Autolocate bug with time zone offset
- App not opening after upgrade
- Location not saving correctly

**Requested features**

- Add Apple Watch compass view
- Save multiple locations
- Add civil twilight information
- Improve interface aesthetics
- Add AM/PM display options


### 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 Sun n Moon free?

Sun n Moon costs $0.99, with no in-app purchases.

### Is Marine Barometer free?

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

### Which has better reviews, Sun n Moon or Marine Barometer?

Sun n Moon is rated higher. Sun n Moon averages 5.0 out of 5 from 8 ratings, while Marine Barometer averages 4.5 from 33 ratings.

### Do Sun n Moon or Marine Barometer have ads?

Neither Sun n Moon nor Marine Barometer shows ads.

### Which is updated more often, Sun n Moon or Marine Barometer?

Sun n Moon ships an update every 5 weeks, and Marine Barometer every 15 months. Most recently, Sun n Moon was updated on November 6, 2026 and Marine 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.*