# CaptainBook vs GPScom Server

The clearest difference is update cadence: CaptainBook at every 9 days against GPScom Server's every 3 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.

CaptainBook ships an update every 9 days, GPScom Server every 3 weeks. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | CaptainBook | GPScom Server |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 43 MB | 80 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Captain Book PC](https://appshunter.io/developer/1677294230) | [ATHANASIOS ZERVOUDAKIS](https://appshunter.io/developer/1780490352) |

## What reviewers say

### CaptainBook

[App page](https://appshunter.io/ios/app/captainbook/id6446312348)

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

**In-app purchases:** none


### GPScom Server

[App page](https://appshunter.io/ios/app/gpscom-server/id6738377306)

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

**In-app purchases:** none


## Frequently asked questions

### Is CaptainBook free?

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

### Is GPScom Server free?

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

### Do CaptainBook or GPScom Server have ads?

Neither CaptainBook nor GPScom Server shows ads.

### Which is updated more often, CaptainBook or GPScom Server?

CaptainBook ships an update every 9 days, and GPScom Server every 3 weeks. Most recently, CaptainBook was updated on September 19, 2026 and GPScom Server on September 11, 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.*