# Science Experiments by Dencity vs MemoryLab App

The clearest difference is ads: MemoryLab App at none against Science Experiments by Dencity's shown. Science Experiments by Dencity's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Science Experiments by Dencity sells 27 in-app purchases, starting at $0.99 per month and MemoryLab App sells 3 in-app purchases, starting at $34.99 per year. Whichever you choose, the download price is not the number that matters.

Science Experiments by Dencity ships an update every 3 weeks, MemoryLab App fortnightly. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Science Experiments by Dencity | MemoryLab App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memorylab-app/id6790192702/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 642 MB | 53 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Techventions](https://appshunter.io/developer/1766707643) | [James Jorel O'Dell](https://appshunter.io/developer/6790192704) |

## What reviewers say

### Science Experiments by Dencity

[App page](https://appshunter.io/ios/app/science-experiments-by-dencity/id6670542048)

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

**In-app purchases (27)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Class 10 Experiments | $0.99 | per month |
| Class 11 Experiments | $0.99 | per month |
| Class 12 Experiments | $0.99 | per month |
| Class 6 Experiments | $0.99 | per month |
| Class 7 Experiments | $0.99 | per month |
| Class 8 Experiments | $0.99 | per month |
| Class 9 Experiments | $0.99 | per month |
| Class 12 Experiments | $0.99 | per month |
| Class 9 Experiments | $0.99 | per month |
| Class 11 Experiments | $0.99 | per month |
| Class 10 Experiments | $0.99 | per month |
| Class 7 Experiments | $1.99 | per month |
| Class 6 Experiments | $1.99 | per month |
| Class 12 Experiments | $1.99 | per month |
| Class 10 Experiments | $1.99 | per month |
| Class 11 Experiments | $1.99 | per month |
| Class 9 Experiments | $1.99 | per month |
| Class 6 | $4.99 | per month |
| Class 8 Experiments | $4.99 | per month |
| Class 8 Experiments | $9.99 | per month |
| Class 7 Experiments | $9.99 | per month |
| Class 8 Experiments | $3.99 | one-time |
| Class 9 Experiments | $3.99 | one-time |
| Class 7 Experiments | $4.99 | one-time |
| Class 7 Experiments | $8.99 | one-time |
| Class 8 Experiments | $8.99 | one-time |
| Class 9 Experiments | $8.99 | one-time |


### MemoryLab App

[App page](https://appshunter.io/ios/app/memorylab-app/id6790192702)

This app helps you memorize text-based content through interactive exercises. It offers multiple learning levels, including typing and fading word challenges, and supports various content types like scripts, poems, and math problems. All data is processed locally on your device for privacy.

**Highlights:** Multi-level memorization exercises, Voice recording and playback, Flashcard creation and study, Spelling and math drills, Offline functionality, Text import via typing, dictation, or camera, Local data processing for privacy

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Access | $34.99 | per year |
| Single Document | $9.99 | one-time |
| Lifetime Access | $99.99 | one-time |


## Frequently asked questions

### Is Science Experiments by Dencity free?

Science Experiments by Dencity is free to download, with in-app purchases available.

### Is MemoryLab App free?

MemoryLab App is free to download, with in-app purchases available.

### Do Science Experiments by Dencity or MemoryLab App have ads?

Science Experiments by Dencity shows ads; MemoryLab App does not.

### Which is updated more often, Science Experiments by Dencity or MemoryLab App?

Science Experiments by Dencity ships an update every 3 weeks, and MemoryLab App fortnightly. Most recently, Science Experiments by Dencity was updated on October 20, 2026 and MemoryLab App on October 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.*