# Zettelbox vs My Knowledge Base

The clearest difference is rating: Zettelbox at 4.3 against My Knowledge Base's 2.0. Zettelbox also leads on review sentiment (31% vs 0%) and ratings volume (24 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Zettelbox sells 3 in-app purchases, starting at $4.99 per month and My Knowledge Base sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Zettelbox holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: Zettelbox has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 31% of Zettelbox's written reviews are positive against 0% of My Knowledge Base's.

Zettelbox ships an update every 2 weeks, My Knowledge Base every 5 weeks. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Zettelbox | My Knowledge Base |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (24 ratings)](https://appshunter.io/ios/app/zettelbox-ai-note-taking/id1605557791/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/my-knowledge-base/id6575390471/reviews) |
| Number of ratings | **24** | 1 |
| Positive reviews | **30.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 117 MB | 8 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hong Kong Source Research Society Supply Chain Limited](https://appshunter.io/developer/1761795867) | [Wiktor Starzyk](https://appshunter.io/developer/1490335440) |

## What reviewers say

### Zettelbox

[App page](https://appshunter.io/ios/app/zettelbox-ai-note-taking/id1605557791)

Capture inspiration and organize your life with this app that integrates notes, to-dos, and scheduling. It helps transform scattered information into a structured knowledge base through smart review and related note linking. Enjoy secure local storage with optional cloud backups.

**Highlights:** Quick note capture with desktop widget, Intuitive tagging and nested categorization, Smart review to rediscover past thoughts, Link related notes for deeper understanding, Local encrypted storage, Cloud backup support

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Yearly Plan | $19.99 | per year |
| PowerPack Permanent | $64.99 | one-time |


### 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 Zettelbox free?

Zettelbox 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, Zettelbox or My Knowledge Base?

Zettelbox is rated higher. Zettelbox averages 4.3 out of 5 from 24 ratings, while My Knowledge Base averages 2.0 from 1 ratings.

### Do Zettelbox or My Knowledge Base have ads?

Neither Zettelbox nor My Knowledge Base shows ads.

### Which is updated more often, Zettelbox or My Knowledge Base?

Zettelbox ships an update every 2 weeks, and My Knowledge Base every 5 weeks. Most recently, Zettelbox was updated on September 10, 2026 and My Knowledge Base on September 15, 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.*