KTrunk vs Where'd I Put It
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Where'd I Put It
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Where’d I Put It helps you remember exactly where everyday things live. Save an item with its room, furniture, container and precise spot, then search or browse your home whenever you need it. Everything stays on your device, with file export and import for backups. Where'd I Put It — never lose track of your stuff again. We all have that moment: you need your passport, the spare key, the charger… and you have no idea where you put it. Where'd I Put It is the simple memory aid that remembers for you. JOT IT DOWN ONCE The moment you stash something, note what it is and where it goes — bedroom, nightstand, second drawer. Done in seconds. FIND IT INSTANTLY Just search the item's name and the exact spot pops up. No more tearing the house apart. BROWSE BY PLACE See everything in a room, a cabinet, or a single drawer at a glance — perfect for tidying up or taking stock of what you own. YOURS, AND PRIVATE Everything stays on your device. No account, no sign-up, no cloud required. Export a backup anytime to keep your data safe or move it to a new phone. GREAT FOR • Keys, passports, documents, chargers, cables • Seasonal clothes and decorations you pack away • Tools, spare parts, and "I put it somewhere safe" items • Shared homes — everyone knows where things live Stop searching. Write it down once, find it in seconds.
Screenshots
Verdict
The clearest difference is in-app purchases: Where'd I Put It at none against KTrunk's 3. Where'd I Put It also leads on update cadence (weekly vs monthly) and iOS requirement (15.0 vs 18.0). On price, rating, ratings volume and ads 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. KTrunk sells 3 one-off in-app purchases. Where'd I Put It asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for KTrunk against 5.0 for Where'd I Put It. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
KTrunk ships an update monthly, Where'd I Put It weekly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.
| Parameter | KTrunk | Where'd I Put It |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Clemens Schuetzdeller | Yeonni Lee |
Customer experience
KTrunk
Where'd I Put It
In-app purchases
KTrunk
- Operating Convenience$0.99
- Privacy$1.99
- #Tag-Proposals$1.99
Where'd I Put It
No in-app purchases









