Fonli vs KTrunk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fonli
This app allows you to create custom lists of names and numbers to identify incoming calls on your iPhone. It prioritizes data protection by keeping all your information private and only transferring it to iOS for identification.
- Custom call identification
- Use your own contact lists
- FTP/Dropbox/AWS S3/WebDAV integration
- High data protection and privacy
- Encrypted server connections
- No access to call log or address book
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FON + LIST = FONLI Simply provide a list of numbers and names that your iPhone should use to identify calls. FEATURES • individual call identification • Use your own data • Connection via FTP / Dropbox / AWS S3 / WebDAV DATA PROTECTION AND PRIVACY Fonli was developed for the highest possible data protection and privacy. • All data comes from you and stays with you • Data is transferred to iOS which does call identification • The app does not have access to your device's call log • The app does not have access to your device's address book • The connection between a server and the app is encrypted • No data is provided to third parties • No usage data is recorded
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is review sentiment: Fonli at 100% against KTrunk's 50%. Fonli also leads on iOS requirement (14.1 vs 18.0). KTrunk's advantage is update cadence (monthly vs every 3 months). On price, ads, in-app purchases and monetization model 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
Both are free to download. Fonli sells 1 one-off in-app purchase and KTrunk sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Fonli ships an update every 3 months, KTrunk monthly. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.
| Parameter | Fonli | KTrunk |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 10 MB | 10 MB |
| Age rating | 4+ | 17+ |
| Developer | Lumibit GmbH | Clemens Schuetzdeller |
Customer experience
Fonli
KTrunk
In-app purchases
Fonli
- Lists with unlimited numbers$3.99
KTrunk
- Operating Convenience$0.99
- Privacy$1.99
- #Tag-Proposals$1.99
