# Dr. Cube vs Notlu

The clearest difference is ratings volume: Dr. Cube at 118 against Notlu's 7. Notlu's advantage is update cadence (fortnightly vs every 5 weeks). On price, rating, ads and in-app purchases there is nothing between them.

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

Dr. Cube holds the better App Store score, 3.8 against 3.6. That said, the two scores are not equally well evidenced: Dr. Cube has 118 ratings behind it against 7, so its average is the more settled of the two.

Dr. Cube ships an update every 5 weeks, Notlu fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Dr. Cube | Notlu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (118 ratings)](https://appshunter.io/ios/app/dr-cube/id6446790146/reviews)** | [3.6 (7 ratings)](https://appshunter.io/ios/app/notlu-ai-mind-map/id6762359822/reviews) |
| Number of ratings | **118** | 7 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 54 MB | 72 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huda Ismail](https://appshunter.io/developer/1791713837) | [Yazan Taha](https://appshunter.io/developer/1893926217) |

## What reviewers say

### Dr. Cube

[App page](https://appshunter.io/ios/app/dr-cube/id6446790146)

Access a variety of educational courses tailored for students at different levels. Features high-quality video lectures from various instructors, with course descriptions to help you find the perfect fit for your studies in Iraqi universities.

**Highlights:** Diverse educational courses, Courses for Iraqi universities, Lectures by different instructors, High-quality video content, Detailed course descriptions

**Features:** macOS Compatibility

**In-app purchases:** none


### Notlu

[App page](https://appshunter.io/ios/app/notlu-ai-mind-map/id6762359822)

Transform dense study materials like PDFs, lecture recordings, and YouTube videos into visual mind maps. This app is designed to enhance memory retention and is particularly beneficial for visual learners and individuals with ADHD.

**Highlights:** AI Mind Mapping from PDFs, Visual study notes, Memory retention enhancement, Supports lecture recordings, YouTube link integration, Designed for neurodivergence

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

**In-app purchases:** none


## Frequently asked questions

### Is Dr. Cube free?

Dr. Cube is free to download, with no in-app purchases.

### Is Notlu free?

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

### Which has better reviews, Dr. Cube or Notlu?

Dr. Cube is rated higher. Dr. Cube averages 3.8 out of 5 from 118 ratings, while Notlu averages 3.6 from 7 ratings.

### Do Dr. Cube or Notlu have ads?

Neither Dr. Cube nor Notlu shows ads.

### Which is updated more often, Dr. Cube or Notlu?

Dr. Cube ships an update every 5 weeks, and Notlu fortnightly. Most recently, Dr. Cube was updated on November 3, 2026 and Notlu 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.*