# Einstein AI vs Zero to 1

The clearest difference is in-app purchases: Zero to 1 at none against Einstein AI's 2. Zero to 1 also leads on update cadence (every 4 days vs fortnightly). Einstein AI's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Einstein AI sells 2 in-app purchases, starting at $4.99 per 7 days. Zero to 1 asks for nothing beyond the download.

Einstein AI ships an update fortnightly, Zero to 1 every 4 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Einstein AI | Zero to 1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (192 ratings)](https://appshunter.io/ios/app/einstein-ai-learn-and-memorize/id6739162816/reviews)** | — |
| Number of ratings | **192** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 53 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Berkay Gemici](https://appshunter.io/developer/1761248495) | [Founder Progress Ltd](https://appshunter.io/developer/6797513502) |

## 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 |


### Zero to 1

[App page](https://appshunter.io/ios/app/zero-to-1/id6797513500)

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

**In-app purchases:** none


## Frequently asked questions

### Is Einstein AI free?

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

### Is Zero to 1 free?

Zero to 1 is free to download, with no in-app purchases.

### Do Einstein AI or Zero to 1 have ads?

Neither Einstein AI nor Zero to 1 shows ads.

### Which is updated more often, Einstein AI or Zero to 1?

Einstein AI ships an update fortnightly, and Zero to 1 every 4 days. Most recently, Einstein AI was updated on November 4, 2026 and Zero to 1 on October 31, 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.*