# Focus Timer AI vs Knowledge Base

The clearest difference is iOS requirement: Focus Timer AI at 12.0 against Knowledge Base's 26.4. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Focus Timer AI | Knowledge Base |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | Free | — |
| Size | 34 MB | 9 MB |
| Requires iOS | **12.0** | 26.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [jin mizoi](https://appshunter.io/developer/1548623319) | [CHANG CHIA-WEI](https://appshunter.io/developer/1804812181) |

## What reviewers say

### Focus Timer AI

[App page](https://appshunter.io/ios/app/focus-timer-ai/id6748850668)

This app uses AI to enhance concentration through a Pomodoro timer. It analyzes your focus patterns to suggest optimal work times and provides visual statistics on your productivity. Improve your study or work efficiency with smart concentration cycles.

**Highlights:** Pomodoro timer with work/break cycles, AI concentration analysis, Personalized optimal timing suggestions, Concentration time statistics, Productivity score visualization

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

**In-app purchases:** none


### Knowledge Base

[App page](https://appshunter.io/ios/app/knowledge-base-second-brain/id6785236967)

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

**In-app purchases:** none


## Frequently asked questions

### Is Focus Timer AI free?

Focus Timer AI is free to download, with no in-app purchases.

### Is Knowledge Base free?

Knowledge Base is free to download, with no in-app purchases.

### Do Focus Timer AI or Knowledge Base have ads?

Neither Focus Timer AI nor Knowledge Base shows ads.

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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.*