# OpenOcean Studio vs MIS Events

The clearest difference is ads: OpenOcean Studio at none against MIS Events's shown. OpenOcean Studio also leads on device support (3 vs 1). MIS Events's advantage is update cadence (every 5 days vs monthly). On price, 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.

OpenOcean Studio ships an update monthly, MIS Events every 5 days. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | OpenOcean Studio | MIS Events |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Size | 115 MB | 142 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [90 Percent of Everything](https://appshunter.io/developer/1527108527) | [Maritime Information Services Ltd.](https://appshunter.io/developer/1049358339) |

## What reviewers say

### OpenOcean Studio

[App page](https://appshunter.io/ios/app/openocean-studio/id6444067330)

**In-app purchases:** none


### MIS Events

[App page](https://appshunter.io/ios/app/mis-events/id6757752746)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is OpenOcean Studio free?

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

### Is MIS Events free?

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

### Do OpenOcean Studio or MIS Events have ads?

MIS Events shows ads; OpenOcean Studio does not.

### Which is updated more often, OpenOcean Studio or MIS Events?

OpenOcean Studio ships an update monthly, and MIS Events every 5 days. Most recently, OpenOcean Studio was updated on September 19, 2026 and MIS Events on September 9, 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.*