# Mendeleev.me vs Memorize Prime Numbers

The clearest difference is rating: Mendeleev.me at 4.8 against Memorize Prime Numbers's 3.0. Mendeleev.me also leads on ads (none vs shown) and update cadence (every 6 weeks vs every 14 months). Memorize Prime Numbers's advantage is in-app purchases (none vs 4). On price and device support there is nothing between them.

Both are free to download. Mendeleev.me sells 4 one-off in-app purchases. Memorize Prime Numbers asks for nothing beyond the download.

Mendeleev.me holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Mendeleev.me has 24 ratings behind it against 2, so its average is the more settled of the two.

Mendeleev.me ships an update every 6 weeks, Memorize Prime Numbers every 14 months. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mendeleev.me | Memorize Prime Numbers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (24 ratings)](https://appshunter.io/ios/app/mendeleevme/id1601845870/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/memorize-prime-numbers/id6475699754/reviews) |
| Number of ratings | **24** | 2 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 14 months |
| Monetization | Paid | **Ad-supported** |
| Size | 210 MB | 84 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AGILE FLEX TECH SRL](https://appshunter.io/developer/1601049602) | [Oscar Tsang](https://appshunter.io/developer/416987065) |

## What reviewers say

### Mendeleev.me

[App page](https://appshunter.io/ios/app/mendeleevme/id1601845870)

Explore the periodic table with detailed element information, interactive chemistry experiments, and atom structure simulations. This educational tool offers multi-language support, downloadable resources, and studying analytics to enhance learning. Discover hidden secrets and enjoy a cohesive, functional design.

**Highlights:** Virtual chemistry laboratory, Detailed element information, Atom structure simulations, Downloadable element PDFs, Studying analytics, Multi-language support, Interactive experiments

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SPECIAL OFFER! | $9.99 | one-time |
| The Chernobyl Experiments Pack | $9.99 | one-time |
| The Explosive Experiments Pack | $9.99 | one-time |
| The Metals Experiments Pack | $9.99 | one-time |


### Memorize Prime Numbers

[App page](https://appshunter.io/ios/app/memorize-prime-numbers/id6475699754)

Learn to memorize hundreds of prime numbers within a week using a provided method. This app offers a unique approach to remembering these special numbers.

**Highlights:** Memorize hundreds of prime numbers, Learn a provided memorization method, Focus on prime number recall, Suitable for quick learning

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

**In-app purchases:** none


## Frequently asked questions

### Is Mendeleev.me free?

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

### Is Memorize Prime Numbers free?

Memorize Prime Numbers is free to download, with no in-app purchases.

### Which has better reviews, Mendeleev.me or Memorize Prime Numbers?

Mendeleev.me is rated higher. Mendeleev.me averages 4.8 out of 5 from 24 ratings, while Memorize Prime Numbers averages 3.0 from 2 ratings.

### Do Mendeleev.me or Memorize Prime Numbers have ads?

Memorize Prime Numbers shows ads; Mendeleev.me does not.

### Which is updated more often, Mendeleev.me or Memorize Prime Numbers?

Mendeleev.me ships an update every 6 weeks, and Memorize Prime Numbers every 14 months. Most recently, Mendeleev.me was updated on October 14, 2026 and Memorize Prime Numbers on October 25, 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.*