# CN41P - DNG Developer

> Simple DNG photo editor for select cameras and ProRAW with essential adjustments. (iPhone/iPad app by Minsang choi.)

- Source: https://appshunter.io/ios/app/cn41p-dng-developer/id6797731786 (this page in markdown: same URL + `.md`)
- Developer: [Minsang choi](https://appshunter.io/developer/1762237320)
- Category: Photo & Video, Graphics & Design
- Price: Free
- Rating: 4.00/5 from 1 App Store ratings
- Age rating: 12+
- Requires: iOS 26.5 · 4 MB
- Languages: American English
- Released: 2026-08-25
- Data updated: 2026-09-03
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/cn41p-dng-developer/id6797731786/reviews.md

## What is CN41P?

CN41P is a simple, focused editor for developing DNG files from Leica, Ricoh GR, and iPhone ProRAW.

Open a photo and start developing. No library to manage. No endless filters to scroll through.

Open DNGs directly

Choose a DNG and start editing right away. CN41P keeps the experience simple and focused on the photo in front of you.

Nine built-in Looks

Clean, Natural, Cream, Amber, Chrome, Cinema, Compact, Mono, and Mono HC. Create your own Custom Looks and sync them across your Macs, iPhones, and iPads with iCloud.

The controls you need

Adjust Exposure, Contrast, White Balance, Tone Curve, Color Mixer, Clarity, and Sharpening. Crop and straighten your image, and press and hold anytime to compare with the original.

Made for iPhone and iPad

A clean, focused interface designed for editing with touch, with your histogram and photo information close at hand.

Export full-resolution JPEGs when you're finished.

Your original files are never modified.

Works with

iPhone ProRAW
Leica M, Q, and SL series
Ricoh GR series

Works offline. No account required.

## Key features

- Develop DNG files
- Nine built-in Looks
- Custom Looks sync via iCloud
- Adjust Exposure, Contrast, White Balance
- Tone Curve and Color Mixer
- Crop and straighten
- Export full-resolution JPEGs


## Frequently asked questions about CN41P

### What cameras does CN41P support?

CN41P supports DNG files from Leica M, Q, and SL series cameras, Ricoh GR series cameras, and iPhone ProRAW.

### Can I create and save my own editing styles in CN41P?

Yes, you can create your own Custom Looks and sync them across your Macs, iPhones, and iPads using iCloud.

### Does CN41P modify my original photos?

No, your original DNG files are never modified by CN41P. The app focuses on non-destructive editing.

### What editing controls are available in CN41P?

CN41P offers controls for Exposure, Contrast, White Balance, Tone Curve, Color Mixer, Clarity, and Sharpening, along with cropping and straightening.

### Does CN41P work offline?

Yes, CN41P is designed to work offline, meaning you do not need an internet connection to edit your photos.

### What devices can I use CN41P on?

CN41P is available for Mac, iPhone, and iPad, offering a consistent editing experience across Apple devices.

### How often is CN41P updated?

The app was last updated on August 26, 2026, indicating recent development. Users can expect ongoing support and potential future updates.

### Is CN41P free to use?

Yes, CN41P is available for free, with no in-app purchases or advertisements, making it accessible for all users.

## Version history (last 1 release)

### 1.0 — 2026-08-26

No release notes.

## More apps by Minsang choi

- [Now Reading](https://appshunter.io/ios/app/now-reading/id6627332935)
- [EV13 - Light meter app](https://appshunter.io/ios/app/ev13-light-meter-app/id6749815010)

All apps by Minsang choi: https://appshunter.io/developer/1762237320

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-03.*