# Enigma vs BirdifAI

The clearest difference is ads: BirdifAI at none against Enigma's shown. BirdifAI also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Enigma ships an update every 3 months, BirdifAI every 2 months. The most recent releases landed on September 23, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Enigma | BirdifAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/enigma-simulator/id6451087026/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 13 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Sota Iguchi](https://appshunter.io/developer/1603371067) | [Andreea Lavinia Ionescu](https://appshunter.io/developer/1502585529) |

## What reviewers say

### Enigma

[App page](https://appshunter.io/ios/app/enigma-simulator/id6451087026)

Explore historical cryptography with a faithful replica of the Enigma machine. Encode and decode messages, challenge your puzzle-solving skills, and immerse yourself in the intriguing world of WWII codebreaking. Experience an authentic and educational cipher adventure.

**Highlights:** Faithful Enigma machine replication, Encode and decode messages, Customizable settings, Authentic cipher experience, Educational cryptography exploration, Puzzle-solving challenges

**In-app purchases:** none


### BirdifAI

[App page](https://appshunter.io/ios/app/birdifai/id6473276252)

**In-app purchases:** none


## Frequently asked questions

### Is Enigma free?

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

### Is BirdifAI free?

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

### Do Enigma or BirdifAI have ads?

Enigma shows ads; BirdifAI does not.

### Which is updated more often, Enigma or BirdifAI?

Enigma ships an update every 3 months, and BirdifAI every 2 months. Most recently, Enigma was updated on September 23, 2026 and BirdifAI on October 3, 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.*