# CubO3 vs Developer File Editor

The clearest difference is in-app purchases: CubO3 at none against Developer File Editor's 1. CubO3 also leads on iOS requirement (13.0 vs 17.6). Developer File Editor's advantage is update cadence (monthly vs every 22 months). On price, ads and device support there is nothing between them.

Both are free to download. Developer File Editor sells 1 one-off in-app purchase. CubO3 asks for nothing beyond the download.

CubO3 ships an update every 22 months, Developer File Editor monthly. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | CubO3 | Developer File Editor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/developer-file-editor/id6759739539/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 11 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BYB Tech](https://appshunter.io/developer/1524533536) | [Donald Garbinski Jr](https://appshunter.io/developer/1876232318) |

## What reviewers say

### CubO3

[App page](https://appshunter.io/ios/app/cubo3/id1536713464)

**Features:** macOS Compatibility

**In-app purchases:** none


### Developer File Editor

[App page](https://appshunter.io/ios/app/developer-file-editor/id6759739539)

A powerful yet lightweight code editor for iPhone and iPad, allowing you to open, edit, and save source files directly from the Files app. It offers smart editing tools like auto-indentation and symbol completion for a focused coding experience on the go.

**Highlights:** Open files from Files app, Edit and save source files, Auto-indentation, Symbol and keyword suggestions, Line numbers, Distraction-free interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Save Files | $0.99 | one-time |


## Frequently asked questions

### Is CubO3 free?

CubO3 is free to download, with no in-app purchases.

### Is Developer File Editor free?

Developer File Editor is free to download, with in-app purchases available.

### Do CubO3 or Developer File Editor have ads?

Neither CubO3 nor Developer File Editor shows ads.

### Which is updated more often, CubO3 or Developer File Editor?

CubO3 ships an update every 22 months, and Developer File Editor monthly. Most recently, CubO3 was updated on September 10, 2026 and Developer File Editor on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*