Comparison

Collections Database vs My Knowledge Base

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

Head to head
About

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.

Highlights
  • 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)
Features
Read full description

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

About

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.

Highlights
  • Capture ideas and facts
  • Store text, photos, links, sketches
  • Customizable entry templates
  • Powerful search and query system
  • Organize information efficiently
Features
Read full description

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

Collections Database4 screens
My Knowledge Base4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Collections Database versus My Knowledge Base: the parameters behind the verdict, then further details
ParameterCollections DatabaseMy Knowledge Base
PriceFreeFree
Rating4.6 (187 ratings) — better2.0 (1 ratings)
Positive reviews87.1% of reviews — better0.0% of reviews
Number of ratings187 — better1
Update frequencyFortnightly — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size25 MB8 MB
Age rating4+4+
DeveloperMatteo D'IgnazioWiktor Starzyk

Customer experience

Collections Database

All ratings187 ratings
Positive90.9%
Neutral3.2%
Negative5.9%
Written reviews317 reviews
Positive87.1%
Neutral5.4%
Negative7.6%

My Knowledge Base

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

3 purchases

Collections Database

One-time3
  • Collections Ultra (Upgrade)$1.99
  • Collections Pro$7.99
  • Collections Ultra$9.99
1 purchases

My Knowledge Base

One-time1
  • Unlock Unlimited Items$2.99

Questions

Is Collections Database free?
Collections Database is free to download, with in-app purchases available.
Is My Knowledge Base free?
My Knowledge Base is free to download, with in-app purchases available.
Which has better reviews, Collections Database or My Knowledge Base?
Collections Database is rated higher. Collections Database averages 4.6 out of 5 from 187 ratings, while My Knowledge Base averages 2.0 from 1 ratings.
Do Collections Database or My Knowledge Base have ads?
Neither Collections Database nor My Knowledge Base shows ads.
Which is updated more often, Collections Database or My Knowledge Base?
Collections Database ships an update fortnightly, and My Knowledge Base every 5 weeks. Most recently, Collections Database was updated on October 9, 2026 and My Knowledge Base on October 2, 2026.

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