# DJCSI vs CodeBlu

The clearest difference is update cadence: CodeBlu at every 3 weeks against DJCSI's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

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

DJCSI ships an update every 9 months, CodeBlu every 3 weeks. Both last shipped on September 23, 2026.

## The numbers

| Metric | DJCSI | CodeBlu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Size | 50 MB | 42 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Dhrumil Thakore](https://appshunter.io/developer/1617434514) | [Eduonix Learning Solutions Private Limited](https://appshunter.io/developer/1253427173) |

## What reviewers say

### DJCSI

[App page](https://appshunter.io/ios/app/djcsi/id1617434512)

**Features:** macOS Compatibility

**In-app purchases:** none


### CodeBlu

[App page](https://appshunter.io/ios/app/codeblu/id1662425629)

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

**In-app purchases:** none


## Frequently asked questions

### Is DJCSI free?

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

### Is CodeBlu free?

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

### Do DJCSI or CodeBlu have ads?

Neither DJCSI nor CodeBlu shows ads.

### Which is updated more often, DJCSI or CodeBlu?

DJCSI ships an update every 9 months, and CodeBlu every 3 weeks. Most recently, DJCSI was updated on September 23, 2026 and CodeBlu on September 23, 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.*