# Collections Database vs My Knowledge Base

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.

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.

## The numbers

| Metric | Collections Database | My Knowledge Base |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (187 ratings)](https://appshunter.io/ios/app/collections-database/id1568395334/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/my-knowledge-base/id6575390471/reviews) |
| Number of ratings | **187** | 1 |
| Positive reviews | **87.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 25 MB | 8 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matteo D'Ignazio](https://appshunter.io/developer/634863524) | [Wiktor Starzyk](https://appshunter.io/developer/1490335440) |

## What reviewers say

### Collections Database

[App page](https://appshunter.io/ios/app/collections-database/id1568395334)

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:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Collections Ultra (Upgrade) | $1.99 | one-time |
| Collections Pro | $7.99 | one-time |
| Collections Ultra | $9.99 | one-time |

**What reviewers like**

- 👍 Flexible and customizable
- 🚀 Powerful and feature-rich
- 💡 Excellent integration with Apple ecosystem
- 🔒 Secure and private data storage
- 💰 Good value for money

**What reviewers complain about**

- 🐛 Occasional crashes and sync issues
- 📚 Lacking comprehensive documentation
- 🔍 Limited search and filtering capabilities
- 🔀 Difficulty moving/copying data between collections

**Reported bugs**

- Keyboard issues when using search
- Inconsistent behavior between iOS and macOS versions

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/my-knowledge-base/id6575390471)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited Items | $2.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*