Collections Database vs My Knowledge Base
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Collections Database
Organize anything with a personal database app. It offers over 20 field types, customizable layouts, and pre-built templates for common uses like books or expenses. Advanced features and iCloud sync are available.
- 20+ field types (text, number, picture, barcode, etc.)
- Customizable fields and display styles
- Pre-built templates (books, contacts, expenses, etc.)
- Organize with collections and subcollections
- Password, Face ID, and Touch ID protection
- iCloud synchronization across devices
- Advanced fields and calculations (Pro version)
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Collections is a personal database app to organize anything. 1. A field for every use Collections supports over 20+ field types: • Text, Number • Boolean • Picture • Select • Email, URL, Phone • Password • Date, Time • Color • Barcode And with the Pro version you can use even more advanced fields. • Document reference - Link documents together • Group - Add multiple values for a field • Formula - Create a formula for calculated values. Powerful formula editor with full support to math functions like SUM, AVG • Sources - Import documents from external APIs with Javascript 2. Customizable • Add and reorder fields • Add a separator between fields to better visualize them • Fields have different display styles like primary, secondary, thumbnail • Filter and sort data 3. Templates Collections includes basic templates to get started: • Books • Contacts • Expenses • Subscriptions • Credentials • Inventory • School 5. Advanced management Collections has different tools to help you creating the data model. SUBCOLLECTIONS Organize data into collections and subcollections. Simply said, they are like folders. LISTS A list contains items used in documents and it's very flexible. It could represent a Genre for a book or a Status like 'Available', 'Out of stock' for an object in the inventory. 6. Security • Protect collections using a password, Face ID or Touch ID • Sensitive data such as passwords are encrypted by default 7. iCloud Sync Data is synced automatically between devices through iCloud. 8. Apple's Shortcuts support Expand the app capabilities with Apple's Shortcuts support. 9. Pro version features • Add unlimited documents (free version is limited to 100 documents) • Add files to documents • Add advanced fields • Views • Grid • Use Summary to perform calculations across documents
My Knowledge Base
Capture and organize all your ideas, facts, and details effortlessly. This app acts as a personal database, allowing you to store various types of information and retrieve it quickly with a powerful search system. Customize your data input with templates for efficient management.
- Capture ideas and facts
- Store text, photos, links, sketches
- Customizable entry templates
- Powerful search and query system
- Organize information efficiently
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Meet My Knowledge Base: your brain’s new best friend. It’s the app that captures every brilliant idea, random fact, or fleeting detail you stumble across daily—before they slip away. Part note-taking wizard, part personal database powerhouse, it’s a memory upgrade for anyone who’s ever blanked on that one thing they swore they’d remember. Store it all in Entries—think text snippets, numbers, dates, photos, quick sketches, web links, and more. Add a label if you’re feeling fancy, and boom, it’s findable later. With Custom Entry Templates, you can slam data in fast, tailored to your style, and still dig it up effortlessly when you need it. The real magic? A slick query system that hunts down exactly what you’re after, no rummaging required. My Knowledge Base doesn’t just store your life—it hands it back to you, organized and on demand.
Screenshots
Verdict
The clearest difference is review sentiment: Collections Database at 87% against My Knowledge Base's 0%. Collections Database also leads on rating (4.6 vs 2.0) and ratings volume (187 vs 1). 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. Collections Database sells 3 one-off in-app purchases and My Knowledge Base sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Collections Database holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Collections Database has 187 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 87% of Collections Database's written reviews are positive against 0% of My Knowledge Base's.
Collections Database ships an update fortnightly, My Knowledge Base every 5 weeks. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.
| Parameter | Collections Database | My Knowledge Base |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (187 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 87.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 187 — better | 1 |
| Update frequency | Fortnightly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 25 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Matteo D'Ignazio | Wiktor Starzyk |
Customer experience
Collections Database
My Knowledge Base
Bugs and requests
Collections Database
Reported bugs
2 issues- Keyboard issues when using search
- Inconsistent behavior between iOS and macOS versions
Requested features
4 requests- Collaborative features for sharing databases
- More advanced reporting and visualization options
- Improved import/export functionality
- Ability to customize the appearance and layout
My Knowledge Base
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Collections Database
- Collections Ultra (Upgrade)$1.99
- Collections Pro$7.99
- Collections Ultra$9.99
My Knowledge Base
- Unlock Unlimited Items$2.99
Questions
Is Collections Database free?
Is My Knowledge Base free?
Which has better reviews, Collections Database or My Knowledge Base?
Do Collections Database or My Knowledge Base have ads?
Which is updated more often, Collections Database or My Knowledge Base?
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