# KB vs Muntrie

The clearest difference is update cadence: Muntrie at every 3 days against KB's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. KB sells 1 in-app purchase, starting at $5.99 per month and Muntrie sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

KB ships an update every 5 weeks, Muntrie every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | KB | Muntrie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kb-ai-for-youtube/id6755973985/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 44 MB | 118 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Ahteck](https://appshunter.io/developer/1746849821) | [娜 王](https://appshunter.io/developer/6787304959) |

## What reviewers say

### KB

[App page](https://appshunter.io/ios/app/kb-ai-for-youtube/id6755973985)

Transform YouTube videos into a personal knowledge base with AI-powered summaries and insights. Save time by getting concise summaries and key takeaways from any video, then organize them into a searchable library for instant access to information.

**Highlights:** AI-generated video summaries, Searchable knowledge base, Extracted key insights, Fast video processing, Privacy-focused data handling

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |


### Muntrie

[App page](https://appshunter.io/ios/app/muntrie-focus-timer/id6787413621)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $14.99 | per year |


## Frequently asked questions

### Is KB free?

KB is free to download, with in-app purchases available.

### Is Muntrie free?

Muntrie is free to download, with in-app purchases available.

### Do KB or Muntrie have ads?

Neither KB nor Muntrie shows ads.

### Which is updated more often, KB or Muntrie?

KB ships an update every 5 weeks, and Muntrie every 3 days. Most recently, KB was updated on October 24, 2026 and Muntrie on October 24, 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.*