# The Letter Flash Machine vs Genetic Engineering

The clearest difference is price: Genetic Engineering at Free against The Letter Flash Machine's $0.99. Genetic Engineering also leads on iOS requirement (8.0 vs 12.0). The Letter Flash Machine's advantage is rating (5.0 vs 4.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Genetic Engineering is free to download; The Letter Flash Machine costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

The Letter Flash Machine holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | The Letter Flash Machine | Genetic Engineering |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-letter-flash-machine/id1005102385/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/genetic-engineering/id1439829461/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | — |
| Monetization | Paid | **Free** |
| Size | 15 MB | 67 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### The Letter Flash Machine

[App page](https://appshunter.io/ios/app/the-letter-flash-machine/id1005102385)

This app helps young children learn to recognize alphabet letters through interactive keyboard matching and picture-based letter identification. It tracks performance and uses sound effects to enhance the learning experience.

**Highlights:** Letter recognition games, Keyboard matching activity, Picture-based letter identification, Performance tracking, Pronouncing letters, Sound effects for engagement

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

**In-app purchases:** none


### Genetic Engineering

[App page](https://appshunter.io/ios/app/genetic-engineering/id1439829461)

Interactive multimedia courseware packages designed to enhance science and mathematics education for Grade 7 and 8 students. Offers engaging lessons across various domains, presented through distinct themed worlds.

**Highlights:** Interactive multimedia lessons, Science and Math curriculum, Grade 7 and 8 content, Themed learning worlds, Supplemental e-learning resource

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Letter Flash Machine free?

The Letter Flash Machine costs $0.99, with no in-app purchases.

### Is Genetic Engineering free?

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

### Which has better reviews, The Letter Flash Machine or Genetic Engineering?

The Letter Flash Machine is rated higher. The Letter Flash Machine averages 5.0 out of 5 from 1 ratings, while Genetic Engineering averages 4.0 from 1 ratings.

### Do The Letter Flash Machine or Genetic Engineering have ads?

Neither The Letter Flash Machine nor Genetic Engineering shows ads.

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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.*