# Vessel Inspector vs Marine Insight e

The clearest difference is update cadence: Marine Insight e at fortnightly against Vessel Inspector's every 5 weeks. Marine Insight e also leads on iOS requirement (13.0 vs 15.0). 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.

Vessel Inspector ships an update every 5 weeks, Marine Insight e fortnightly. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Vessel Inspector | Marine Insight e |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Size | 192 MB | 17 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PALS EDUTECH](https://appshunter.io/developer/1492111951) | [MARINE INSIGHT](https://appshunter.io/developer/977636456) |

## What reviewers say

### Vessel Inspector

[App page](https://appshunter.io/ios/app/vessel-inspector/id1492111952)

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

**In-app purchases:** none


### Marine Insight e

[App page](https://appshunter.io/ios/app/marine-insight-e-library/id6475720792)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vessel Inspector free?

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

### Is Marine Insight e free?

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

### Do Vessel Inspector or Marine Insight e have ads?

Neither Vessel Inspector nor Marine Insight e shows ads.

### Which is updated more often, Vessel Inspector or Marine Insight e?

Vessel Inspector ships an update every 5 weeks, and Marine Insight e fortnightly. Most recently, Vessel Inspector was updated on October 10, 2026 and Marine Insight e on October 14, 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.*