# Code vs Eng4uFlyBoy

The clearest difference is in-app purchases: Code at none against Eng4uFlyBoy's 5. Eng4uFlyBoy's advantage is update cadence (every 4 months vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Eng4uFlyBoy sells 5 one-off in-app purchases. Code asks for nothing beyond the download.

Code ships an update every 8 months, Eng4uFlyBoy every 4 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Code | Eng4uFlyBoy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/code-viewer/id1536321178/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 14 MB | 124 MB |
| Requires iOS | **11** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [修勇 黄](https://appshunter.io/developer/539399901) | [fares abotaia](https://appshunter.io/developer/1682456567) |

## What reviewers say

### Code

[App page](https://appshunter.io/ios/app/code-viewer/id1536321178)

A free application designed for viewing source code on mobile devices. It supports viewing code files directly on your iPhone or iPad.

**Highlights:** Source code viewing, Free to use, Supports iPhone and iPad, Direct file viewing

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

**In-app purchases:** none


### Eng4uFlyBoy

[App page](https://appshunter.io/ios/app/eng4uflyboy/id6447756109)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 250 Books | $1.99 | one-time |
| 750 Books | $3.99 | one-time |
| 1500 Books | $5.99 | one-time |
| 3500 Books | $10.99 | one-time |
| 7500 Books | $20.99 | one-time |


## Frequently asked questions

### Is Code free?

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

### Is Eng4uFlyBoy free?

Eng4uFlyBoy is free to download, with in-app purchases available.

### Do Code or Eng4uFlyBoy have ads?

Neither Code nor Eng4uFlyBoy shows ads.

### Which is updated more often, Code or Eng4uFlyBoy?

Code ships an update every 8 months, and Eng4uFlyBoy every 4 months. Most recently, Code was updated on October 27, 2026 and Eng4uFlyBoy on October 30, 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.*