# Flippy Bit & the Hexadecimals vs Brain Code

The clearest difference is in-app purchases: Flippy Bit & the Hexadecimals at none against Brain Code's 6. Flippy Bit & the Hexadecimals also leads on ads (none vs shown) and review sentiment (88% vs 77%). Brain Code's advantage is update cadence (monthly vs every 96 months) and rating (4.6 vs 4.3). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Brain Code sells 6 one-off in-app purchases. Flippy Bit & the Hexadecimals asks for nothing beyond the download.

Brain Code holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Brain Code has 1.1K ratings behind it against 27, so its average is the more settled of the two. Written reviews complicate that: 88% of Flippy Bit & the Hexadecimals's written reviews are positive against 77% of Brain Code's, so the app with the better star average is not the one people write more warmly about.

Flippy Bit & the Hexadecimals ships an update every 96 months, Brain Code monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Flippy Bit & the Hexadecimals | Brain Code |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (27 ratings)](https://appshunter.io/ios/app/flippy-bit-and-the-hexadecimals/id853100169/reviews) | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/brain-code-logic-puzzle-games/id1495717820/reviews)** |
| Number of ratings | 27 | **1.1K** |
| Positive reviews | **88.0% of reviews** | 76.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 96 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 30 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Q42](https://appshunter.io/developer/385525157) | [Kyrylo Kartukov](https://appshunter.io/developer/1495717819) |

## What reviewers say

### Flippy Bit & the Hexadecimals

[App page](https://appshunter.io/ios/app/flippy-bit-and-the-hexadecimals/id853100169)

This experimental game allows children to practice bitwise operations and conversions between binary and hexadecimal numbers. Developed with a psychologist, it aims to highlight children's natural aptitude for these concepts.

**Highlights:** Bitwise operations practice, Binary to hexadecimal conversion, Hexadecimal to binary conversion, Experimental learning game, No tutorial for natural adoption

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain Code

[App page](https://appshunter.io/ios/app/brain-code-logic-puzzle-games/id1495717820)

Engage your mind with over 50 unique logic puzzles that test your problem-solving and creative thinking. This offline game offers an immersive, command-line inspired interface and a progressive difficulty curve. It's perfect for puzzle enthusiasts and anyone looking for a mental workout.

**Highlights:** 50 unique logic puzzles, Command-line inspired interface, Multiple solutions per puzzle, Progressive difficulty, Offline play, Built-in hint system

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pinch of tips | $0.99 | one-time |
| handful of tips | $1.99 | one-time |
| Platinum Pass | $1.99 | one-time |
| 2x handful of tips | $2.99 | one-time |
| tip fan | $4.99 | one-time |
| tip master | $6.99 | one-time |

**What reviewers like**

- 🚀 Challenging and creative puzzles
- 👍 Unique coding-based gameplay
- 🧠 Requires out-of-the-box thinking
- 🎨 Clean and minimalistic design
- 💡 Innovative concept

**What reviewers complain about**

- 🐛 Bugs with ads and level progression
- 🤔 Some puzzles require too much external knowledge
- 🤯 Extremely difficult at times
- 🔍 Lack of in-game guidance or hints

**Reported bugs**

- Inability to close ads
- Level 24 equation puzzle not accepting correct answer
- Level 39 unbeatable on iPhones without back button
- Level 20 bug preventing progress

**Requested features**

- More levels and content updates
- Improved ad experience
- Walkthrough or solution guide
- Keyboard support improvements


## Frequently asked questions

### Is Flippy Bit & the Hexadecimals free?

Flippy Bit & the Hexadecimals is free to download, with no in-app purchases.

### Is Brain Code free?

Brain Code is free to download, with in-app purchases available.

### Which has better reviews, Flippy Bit & the Hexadecimals or Brain Code?

Brain Code is rated higher. Flippy Bit & the Hexadecimals averages 4.3 out of 5 from 27 ratings, while Brain Code averages 4.6 from 1.1K ratings.

### Do Flippy Bit & the Hexadecimals or Brain Code have ads?

Brain Code shows ads; Flippy Bit & the Hexadecimals does not.

### Which is updated more often, Flippy Bit & the Hexadecimals or Brain Code?

Flippy Bit & the Hexadecimals ships an update every 96 months, and Brain Code monthly. Most recently, Flippy Bit & the Hexadecimals was updated on October 23, 2026 and Brain Code on October 24, 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.*