# Einstein AI vs KnowNotes

Einstein AI and KnowNotes both sit at 4.6 stars, but that hides the real split: 20% of Einstein AI's written reviews are positive against 0% of KnowNotes's. Einstein AI also leads on ratings volume (193 vs 14). KnowNotes's advantage is update cadence (weekly vs fortnightly) and iOS requirement (13.4 vs 15.1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Einstein AI sells 2 in-app purchases, starting at $4.99 per 7 days and KnowNotes sells 6 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Einstein AI against 4.5 for KnowNotes. That said, the two scores are not equally well evidenced: Einstein AI has 193 ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 20% of Einstein AI's written reviews are positive against 0% of KnowNotes's.

Einstein AI ships an update fortnightly, KnowNotes weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Einstein AI | KnowNotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (193 ratings)](https://appshunter.io/ios/app/einstein-ai-learn-and-memorize/id6739162816/reviews)** | [4.5 (14 ratings)](https://appshunter.io/ios/app/knownotes-ai-note-taker/id6739503513/reviews) |
| Number of ratings | **193** | 14 |
| Positive reviews | **20.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 32 MB | 29 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Berkay Gemici](https://appshunter.io/developer/1761248495) | [Teen Talent, LLC](https://appshunter.io/developer/1785687853) |

## What reviewers say

### Einstein AI

[App page](https://appshunter.io/ios/app/einstein-ai-learn-and-memorize/id6739162816)

This app uses the Feynman Learning Technique to help you master any subject through voice interaction. Explain concepts aloud, take voice-powered quizzes, and receive detailed performance analysis to identify areas for improvement.

**Highlights:** Voice-powered concept explanation, Dynamically generated voice quizzes, Detailed performance analysis, Subtopic strength identification, Hands-free microphone interaction, Customizable learning topics

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Yearly Pro | $39.99 | per year |


### KnowNotes

[App page](https://appshunter.io/ios/app/knownotes-ai-note-taker/id6739503513)

This app uses AI to automatically generate quizzes and flashcards from recorded lectures. It aims to help students ethically improve their grades by providing study tools derived from their own course material.

**Highlights:** AI-generated notes, Automatic quiz creation, Flashcard generation, Lecture recording, Lecture uploading, Ethical AI use for grades

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KnowNotes Pro (Weekly) | $5.99 | per 7 days |
| KnowNotes Pro (Monthly) | $18.99 | per month |
| KnowNotes Pro (Offer) | $89.99 | per year |
| KnowNotes Pro (Yearly Offer) | $99.99 | per year |
| KnowNotes Pro (Yearly) | $119.99 | per year |
| KnowNotes Pro (Yearly) | $139.99 | per year |


## Frequently asked questions

### Is Einstein AI free?

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

### Is KnowNotes free?

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

### Which has better reviews, Einstein AI or KnowNotes?

Einstein AI is rated higher. Einstein AI averages 4.6 out of 5 from 193 ratings, while KnowNotes averages 4.5 from 14 ratings.

### Do Einstein AI or KnowNotes have ads?

Neither Einstein AI nor KnowNotes shows ads.

### Which is updated more often, Einstein AI or KnowNotes?

Einstein AI ships an update fortnightly, and KnowNotes weekly. Most recently, Einstein AI was updated on October 24, 2026 and KnowNotes 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.*