# One Access vs Einstein AI

The clearest difference is in-app purchases: One Access at none against Einstein AI's 2. One Access also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

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

One Access ships an update every 10 days, Einstein AI fortnightly. The most recent releases landed on September 28, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | One Access | Einstein AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (192 ratings)](https://appshunter.io/ios/app/einstein-ai-learn-and-memorize/id6739162816/reviews)** |
| Number of ratings | — | **192** |
| Positive reviews | — | 22.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 32 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ONE SOLUTION FOR INFORMATION TECHNOLOGY AND SOFTWARE](https://appshunter.io/developer/1598732450) | [Berkay Gemici](https://appshunter.io/developer/1761248495) |

## What reviewers say

### One Access

[App page](https://appshunter.io/ios/app/one-access/id1614403431)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is One Access free?

One Access is free to download, with no in-app purchases.

### Is Einstein AI free?

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

### Do One Access or Einstein AI have ads?

Neither One Access nor Einstein AI shows ads.

### Which is updated more often, One Access or Einstein AI?

One Access ships an update every 10 days, and Einstein AI fortnightly. Most recently, One Access was updated on September 28, 2026 and Einstein AI on October 16, 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.*