# Vessel Inspector vs CHIEF.

Vessel Inspector and CHIEF. are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, CHIEF. every 2 months. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Vessel Inspector | CHIEF. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 192 MB | 43 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [PALS EDUTECH](https://appshunter.io/developer/1492111951) | [Maksym Bezagotiy](https://appshunter.io/developer/1873084962) |

## 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


### CHIEF.

[App page](https://appshunter.io/ios/app/chief/id6758465675)

**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 CHIEF. free?

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

### Do Vessel Inspector or CHIEF. have ads?

Neither Vessel Inspector nor CHIEF. shows ads.

### Which is updated more often, Vessel Inspector or CHIEF.?

Vessel Inspector ships an update every 5 weeks, and CHIEF. every 2 months. Most recently, Vessel Inspector was updated on September 8, 2026 and CHIEF. 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.*