# Darwin Speaks vs EngineeringEdge App

The clearest difference is in-app purchases: Darwin Speaks at none against EngineeringEdge App's 10. Darwin Speaks also leads on iOS requirement (12.0 vs 15.5). EngineeringEdge App's advantage is update cadence (every 18 months vs every 51 months). On price, ads and device support there is nothing between them.

Both are free to download. EngineeringEdge App sells 10 one-off in-app purchases. Darwin Speaks asks for nothing beyond the download.

Darwin Speaks ships an update every 51 months, EngineeringEdge App every 18 months. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Darwin Speaks | EngineeringEdge App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/darwin-speaks/id1020696786/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 51 months | **Every 18 months** |
| Monetization | Free | — |
| Size | 1.2 GB | 146 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dynamoid, LLC](https://appshunter.io/developer/429123556) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### Darwin Speaks

[App page](https://appshunter.io/ios/app/darwin-speaks/id1020696786)

Engage in an interactive interview with a virtual Charles Darwin, brought to life through synthetic interview technology. Explore his life, theories of evolution, and the public's reaction, with modern commentary from experts.

**Highlights:** Interactive interview with virtual Charles Darwin, Explore evolution principles and Darwin's life, Modern commentary from biology and other experts, Answers based on Darwin's writings and letters, Questions compiled from user interviews

**Features:** macOS Compatibility

**In-app purchases:** none


### EngineeringEdge App

[App page](https://appshunter.io/ios/app/engineeringedge-app/id6504725128)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AZ | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BI | $59.99 | one-time |
| Package - BJ | $59.99 | one-time |
| Package - BL | $69.99 | one-time |
| Package - BK | $69.99 | one-time |


## Frequently asked questions

### Is Darwin Speaks free?

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

### Is EngineeringEdge App free?

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

### Do Darwin Speaks or EngineeringEdge App have ads?

Neither Darwin Speaks nor EngineeringEdge App shows ads.

### Which is updated more often, Darwin Speaks or EngineeringEdge App?

Darwin Speaks ships an update every 51 months, and EngineeringEdge App every 18 months. Most recently, Darwin Speaks was updated on October 2, 2026 and EngineeringEdge App on October 7, 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.*