# Gannet Mobile vs Tech Logbook By DCR

The clearest difference is in-app purchases: Gannet Mobile at none against Tech Logbook By DCR's 1. Gannet Mobile also leads on iOS requirement (13.0 vs 15.6). Tech Logbook By DCR's advantage is update cadence (monthly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Tech Logbook By DCR sells 1 in-app purchase, starting at $8.99 per year. Gannet Mobile asks for nothing beyond the download.

Gannet Mobile ships an update every 3 months, Tech Logbook By DCR monthly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Gannet Mobile | Tech Logbook By DCR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 108 MB | 20 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LUNDIN SOFTWARE SRL](https://appshunter.io/developer/1508584818) | [CYRIL DEPECKER](https://appshunter.io/developer/1837250136) |

## What reviewers say

### Gannet Mobile

[App page](https://appshunter.io/ios/app/gannet-mobile/id1613526949)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tech Logbook By DCR

[App page](https://appshunter.io/ios/app/tech-logbook-by-dcr/id6752611583)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Yearly | $8.99 | per year |


## Frequently asked questions

### Is Gannet Mobile free?

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

### Is Tech Logbook By DCR free?

Tech Logbook By DCR is free to download, with in-app purchases available.

### Do Gannet Mobile or Tech Logbook By DCR have ads?

Neither Gannet Mobile nor Tech Logbook By DCR shows ads.

### Which is updated more often, Gannet Mobile or Tech Logbook By DCR?

Gannet Mobile ships an update every 3 months, and Tech Logbook By DCR monthly. Most recently, Gannet Mobile was updated on October 27, 2026 and Tech Logbook By DCR on October 30, 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.*