Comparison

KTrunk vs ThreeNote

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KTrunk

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
Read full description

Knowledge Trunk - or short KTrunk - is a note taking App. Use KTrunk to save all your ideas augmented with related files and photos. You can establish links from one note to any other note or file in KTrunk. The notes are saved in html-format and can be synchronized across your devices using iCloud. In-App-Purchases: * Privacy Allows to encrypt/decrypt your notes.

About

ThreeNote

Features
Read full description

Your Personal Knowledge Forest Tired of scattered notes and disorganized thoughts? TreeNote is here to help you cultivate a thriving ecosystem of ideas. With its intuitive tree-like structure, TreeNote allows you to: Create Hierarchies: Organize your notes in a logical, branching structure. Link Related Concepts: Connect ideas across different branches with ease. Quick Navigation: Zoom in and out of your knowledge tree effortlessly. Mobile-Friendly: Access your ideas anytime, anywhere on your iOS device. Secure: Keep your thoughts safe with local storage. Easy Sharing: Export your data for backup or sharing. Key Features: • Unlimited nested levels for complex hierarchies • Rich text editing for detailed notes • Quick add for rapid idea capture • Search functionality to find information fast • Customizable themes to suit your style Data Export and Backup: • Export your entire database as a SQLite file for comprehensive backups • Generate a human-readable text file of your notes' structure and content • Email both SQLite and text files directly from the app for easy sharing and safekeeping Whether you're a student organizing study materials, a professional managing projects, or a creative mind mapping out stories, TreeNote adapts to your needs. Start planting your ideas today and watch your knowledge grow!

Screenshots

KTrunk1 screens
ThreeNote1 screens

Verdict

The call

The clearest difference is in-app purchases: ThreeNote at none against KTrunk's 3. ThreeNote also leads on update cadence (daily vs monthly) and iOS requirement (16.6 vs 18.0). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. KTrunk sells 3 one-off in-app purchases. ThreeNote asks for nothing beyond the download.

UpkeepUpdate frequency

KTrunk ships an update monthly, ThreeNote daily. The most recent releases landed on October 14, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
KTrunk versus ThreeNote: the parameters behind the verdict, then further details
ParameterKTrunkThreeNote
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyMonthlyDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.6 — better
Further details — not scored
Size10 MB1 MB
Age rating17+4+
DeveloperClemens SchuetzdellerJouni Erola

In-app purchases

3 purchases

KTrunk

One-time3
  • Operating Convenience$0.99
  • Privacy$1.99
  • #Tag-Proposals$1.99
None

ThreeNote

No in-app purchases

Questions

Is KTrunk free?
KTrunk is free to download, with in-app purchases available.
Is ThreeNote free?
ThreeNote is free to download, with no in-app purchases.
Do KTrunk or ThreeNote have ads?
Neither KTrunk nor ThreeNote shows ads.
Which is updated more often, KTrunk or ThreeNote?
KTrunk ships an update monthly, and ThreeNote daily. Most recently, KTrunk was updated on October 14, 2026 and ThreeNote on October 27, 2026.

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