# MAR vs LDM Valves

The clearest difference is iOS requirement: MAR at 11.0 against LDM Valves's 15.3. On price, update cadence, ads and in-app purchases there is nothing between them.

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

MAR ships an update every 9 months, LDM Valves every 5 months. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MAR | LDM Valves |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 months** |
| Size | 15 MB | 37 MB |
| Requires iOS | **11.0** | 15.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AG�NCIA EUROPEIA DE SEGURAN�A MAR�TIMA.](https://appshunter.io/developer/1057632331) | [LDM, spol. s r.o.](https://appshunter.io/developer/1807390383) |

## What reviewers say

### MAR

[App page](https://appshunter.io/ios/app/mar-cis/id1234942090)

**Features:** macOS Compatibility

**In-app purchases:** none


### LDM Valves

[App page](https://appshunter.io/ios/app/ldm-valves/id6744373442)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MAR free?

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

### Is LDM Valves free?

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

### Do MAR or LDM Valves have ads?

Neither MAR nor LDM Valves shows ads.

### Which is updated more often, MAR or LDM Valves?

MAR ships an update every 9 months, and LDM Valves every 5 months. Most recently, MAR was updated on October 26, 2026 and LDM Valves on October 28, 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.*