# Marés vs Digital Barometer S10

The clearest difference is price: Marés at Free against Digital Barometer S10's $0.99. Digital Barometer S10's advantage is rating (4.3 vs 2.5) and ratings volume (640 vs 2). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Marés is free to download; Digital Barometer S10 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Digital Barometer S10 holds the better App Store score, 4.3 against 2.5. That said, the two scores are not equally well evidenced: Digital Barometer S10 has 640 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 19% of Marés's written reviews are positive against 43% of Digital Barometer S10's.

Marés ships an update every 4 months, Digital Barometer S10 every 5 weeks. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Marés | Digital Barometer S10 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/mares/id526714068/reviews) | **[4.3 (640 ratings)](https://appshunter.io/ios/app/digital-barometer-s10/id958800226/reviews)** |
| Number of ratings | 2 | **640** |
| Positive reviews | 19.0% of reviews | **43.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#135** |
| Size | 26 MB | 10 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Casa Civil (Ceara)](https://appshunter.io/developer/1416022726) | [Studio Nano Ship, Inc.](https://appshunter.io/developer/818733631) |

## What reviewers say

### Marés

[App page](https://appshunter.io/ios/app/mares/id526714068)

Access weekly tide table information for Mucuripe and Pecém ports. Includes details on moon phases.

**Highlights:** Weekly tide tables, Mucuripe port data, Pecém port data, Moon phase information

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

**In-app purchases:** none


### Digital Barometer S10

[App page](https://appshunter.io/ios/app/digital-barometer-s10/id958800226)

**Currently charting:** #135 Top Paid · Weather (US App Store)

Transform your device into a portable barometer to measure atmospheric pressure. View historical data with charts and customize the display with various units and background colors. It's designed for easy use and provides accurate readings.

**Highlights:** Portable barometer functionality, Sea level adjusted pressure, Historical pressure charts, Multiple pressure units, Customizable background colors, Wide device compatibility

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Marés free?

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

### Is Digital Barometer S10 free?

Digital Barometer S10 costs $0.99, with no in-app purchases.

### Which has better reviews, Marés or Digital Barometer S10?

Digital Barometer S10 is rated higher. Marés averages 2.5 out of 5 from 2 ratings, while Digital Barometer S10 averages 4.3 from 640 ratings.

### Do Marés or Digital Barometer S10 have ads?

Neither Marés nor Digital Barometer S10 shows ads.

### Which is updated more often, Marés or Digital Barometer S10?

Marés ships an update every 4 months, and Digital Barometer S10 every 5 weeks. Most recently, Marés was updated on September 21, 2026 and Digital Barometer S10 on September 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.*