# Lumin vs Einstein AI

The clearest difference is in-app purchases: Lumin at none against Einstein AI's 2. Lumin also leads on update cadence (weekly vs every 2 weeks) and iOS requirement (12.0 vs 15.1). On price, 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. Lumin asks for nothing beyond the download.

Lumin ships an update weekly, Einstein AI every 2 weeks. The most recent releases landed on October 7, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Lumin | Einstein AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (21 ratings)](https://appshunter.io/ios/app/einstein-ai-learn-and-memorize/id6741355940/reviews)** |
| Number of ratings | — | **21** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Subscription |
| Size | 51 MB | 31 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [KEATH.AI LTD](https://appshunter.io/developer/1763787536) | [A. Furkan Suren](https://appshunter.io/developer/1723613226) |

## What reviewers say

### Lumin

[App page](https://appshunter.io/ios/app/lumin/id6648776177)

**Features:** macOS Compatibility

**In-app purchases:** none


### Einstein AI

[App page](https://appshunter.io/ios/app/einstein-ai-learn-and-memorize/id6741355940)

This app uses AI to generate structured study content and quizzes on any topic. It provides instant feedback and detailed explanations to help users learn faster and improve retention.

**Highlights:** AI-generated study content, Instant quizzes, Detailed feedback and corrections, Learn any topic, Boost knowledge retention, Structured learning format

**Features:** macOS Compatibility

**In-app purchases (2)**

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


## Frequently asked questions

### Is Lumin free?

Lumin 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 Lumin or Einstein AI have ads?

Neither Lumin nor Einstein AI shows ads.

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

Lumin ships an update weekly, and Einstein AI every 2 weeks. Most recently, Lumin was updated on October 7, 2026 and Einstein AI on September 19, 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.*