# Double Displacement Reaction vs Learn Genetics

The clearest difference is price: Double Displacement Reaction at $1.99 against Learn Genetics's $2.99. Double Displacement Reaction also leads on iOS requirement (11.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Double Displacement Reaction costs $1.99 and Learn Genetics $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Double Displacement Reaction ships an update every 33 months, Learn Genetics every 20 months. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Double Displacement Reaction | Learn Genetics |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 20 months** |
| Monetization | — | Paid |
| Size | 152 MB | 79 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) | [Muhammad Umair](https://appshunter.io/developer/1696049320) |

## What reviewers say

### Double Displacement Reaction

[App page](https://appshunter.io/ios/app/double-displacement-reaction/id1545135470)

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn Genetics

[App page](https://appshunter.io/ios/app/learn-genetics/id6451423279)

Explore the fundamental principles of genetics, from DNA and inheritance to genetic testing and therapy. This app provides comprehensive information on how traits are passed down through generations and the latest advancements in genomic research.

**Highlights:** Genetics news and blogs, Genetics cells and DNA, Health and genetic variants, How genes work, Inheriting genetic conditions, Genetics and human traits, Genetic consultation and testing

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

**In-app purchases:** none


## Frequently asked questions

### Is Double Displacement Reaction free?

Double Displacement Reaction costs $1.99, with no in-app purchases.

### Is Learn Genetics free?

Learn Genetics costs $2.99, with no in-app purchases.

### Do Double Displacement Reaction or Learn Genetics have ads?

Neither Double Displacement Reaction nor Learn Genetics shows ads.

### Which is updated more often, Double Displacement Reaction or Learn Genetics?

Double Displacement Reaction ships an update every 33 months, and Learn Genetics every 20 months. Most recently, Double Displacement Reaction was updated on November 7, 2026 and Learn Genetics on November 4, 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.*