# Logster vs KTrunk

The clearest difference is in-app purchases: Logster at none against KTrunk's 3. Logster also leads on iOS requirement (15.6 vs 18.0). KTrunk'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. KTrunk sells 3 one-off in-app purchases. Logster asks for nothing beyond the download.

Logster ships an update every 3 months, KTrunk monthly. The most recent releases landed on September 18, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Logster | KTrunk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ktrunk/id1543722029/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 10 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Studio Berlin GmbH](https://appshunter.io/developer/915300258) | [Clemens Schuetzdeller](https://appshunter.io/developer/1543722031) |

## What reviewers say

### Logster

[App page](https://appshunter.io/ios/app/logster/id586572163)

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

**In-app purchases:** none


### KTrunk

[App page](https://appshunter.io/ios/app/ktrunk/id1543722029)

This note-taking app allows you to save ideas with attached files and photos. You can create links between notes and files, and synchronize your data across devices. An optional in-app purchase enables note encryption for enhanced privacy.

**Highlights:** Save ideas with files and photos, Link notes to other notes and files, Synchronize across devices via iCloud, Notes saved in HTML format, Optional note encryption

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Operating Convenience | $0.99 | one-time |
| Privacy | $1.99 | one-time |
| #Tag-Proposals | $1.99 | one-time |


## Frequently asked questions

### Is Logster free?

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

### Is KTrunk free?

KTrunk is free to download, with in-app purchases available.

### Do Logster or KTrunk have ads?

Neither Logster nor KTrunk shows ads.

### Which is updated more often, Logster or KTrunk?

Logster ships an update every 3 months, and KTrunk monthly. Most recently, Logster was updated on September 18, 2026 and KTrunk on June 4, 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.*