# Seagrid vs MarBMS

The clearest difference is update cadence: MarBMS at every 2 weeks against Seagrid's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Seagrid ships an update every 5 weeks, MarBMS every 2 weeks. The most recent releases landed on September 22, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Seagrid | MarBMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 53 MB | 41 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seagrid AB](https://appshunter.io/developer/1735038530) | [Guangdong Marxon Electronics Co., LTD](https://appshunter.io/developer/1680634591) |

## What reviewers say

### Seagrid

[App page](https://appshunter.io/ios/app/seagrid/id6479172067)

**Features:** macOS Compatibility

**In-app purchases:** none


### MarBMS

[App page](https://appshunter.io/ios/app/marbms/id6751799681)

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

**In-app purchases:** none


## Frequently asked questions

### Is Seagrid free?

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

### Is MarBMS free?

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

### Do Seagrid or MarBMS have ads?

Neither Seagrid nor MarBMS shows ads.

### Which is updated more often, Seagrid or MarBMS?

Seagrid ships an update every 5 weeks, and MarBMS every 2 weeks. Most recently, Seagrid was updated on September 22, 2026 and MarBMS on September 8, 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.*