# Diji Optik Pro vs RAPID

The clearest difference is update cadence: RAPID at every 3 weeks against Diji Optik Pro's every 8 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.

Diji Optik Pro ships an update every 8 months, RAPID every 3 weeks. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Diji Optik Pro | RAPID |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Size | 62 MB | 28 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Unlu Yayinlar](https://appshunter.io/developer/1689531560) | [FERNUS BILISIM HIZMETLERI EGI.DAN. ve TIC.LTD.STI.](https://appshunter.io/developer/927900317) |

## What reviewers say

### Diji Optik Pro

[App page](https://appshunter.io/ios/app/diji-optik-pro/id1663195939)

**In-app purchases:** none


### RAPID

[App page](https://appshunter.io/ios/app/rapid/id6469518320)

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

**In-app purchases:** none


## Frequently asked questions

### Is Diji Optik Pro free?

Diji Optik Pro is free to download, with no in-app purchases.

### Is RAPID free?

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

### Do Diji Optik Pro or RAPID have ads?

Neither Diji Optik Pro nor RAPID shows ads.

### Which is updated more often, Diji Optik Pro or RAPID?

Diji Optik Pro ships an update every 8 months, and RAPID every 3 weeks. Most recently, Diji Optik Pro was updated on September 30, 2026 and RAPID on September 28, 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.*