# Mersis vs Pure Marine

The clearest difference is update cadence: Pure Marine at weekly against Mersis's fortnightly. Mersis's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Mersis ships an update fortnightly, Pure Marine weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mersis | Pure Marine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 118 MB | 49 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [T.C. TICARET BAKANLIGI](https://appshunter.io/developer/1214309633) | [Pure Analytica](https://appshunter.io/developer/6808611993) |

## What reviewers say

### Mersis

[App page](https://appshunter.io/ios/app/mersis/id1616949471)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pure Marine

[App page](https://appshunter.io/ios/app/pure-marine/id6808611991)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mersis free?

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

### Is Pure Marine free?

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

### Do Mersis or Pure Marine have ads?

Neither Mersis nor Pure Marine shows ads.

### Which is updated more often, Mersis or Pure Marine?

Mersis ships an update fortnightly, and Pure Marine weekly. Most recently, Mersis was updated on October 30, 2026 and Pure Marine on October 31, 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.*