# DxO ONE vs XP4N

The clearest difference is price: DxO ONE at Free against XP4N's $1.99. DxO ONE also leads on device support (4 vs 2) and iOS requirement (10.1 vs 15.6). XP4N's advantage is rating (4.7 vs 3.6) and review sentiment (87% vs 47%). On ratings volume, ads and in-app purchases there is nothing between them.

DxO ONE is free to download; XP4N costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

XP4N holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 35 and 44 respectively. Written reviews point the same way: 47% of DxO ONE's written reviews are positive against 87% of XP4N's.

DxO ONE ships an update every 6 weeks, XP4N every 2 days. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | DxO ONE | XP4N |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [3.6 (35 ratings)](https://appshunter.io/ios/app/dxo-one/id981525548/reviews) | **[4.7 (44 ratings)](https://appshunter.io/ios/app/xp4n/id6670213512/reviews)** |
| Number of ratings | 35 | **44** |
| Positive reviews | 46.5% of reviews | **86.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | **Free** | Paid |
| Size | 131 MB | 3 MB |
| Requires iOS | **10.1** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DxO Labs](https://appshunter.io/developer/715455368) | [Bram Bos](https://appshunter.io/developer/325340444) |

## What reviewers say

### DxO ONE

[App page](https://appshunter.io/ios/app/dxo-one/id981525548)

This app transforms your iPhone or iPad into a sophisticated control center for a professional-quality connected camera. It allows you to capture stunning photos and videos, even in low light, and offers advanced manual controls for creative photography. Easily manage, edit, and share your images directly from your mobile device.

**Highlights:** iPhone display as viewfinder, Advanced manual camera controls, Low light and SuperRAW capture, JPEG and RAW photo storage, Scene and Selfie modes, Photo browsing and sharing

**In-app purchases:** none


### XP4N

[App page](https://appshunter.io/ios/app/xp4n/id6670213512)

Capture stunning panoramic photos with a cinematic aspect ratio. Emulate the look of 8 distinct film types, from moody night shots to soft daylight portraits. Enjoy a simple, ad-free, and subscription-free photography experience.

**Highlights:** 65:24 cinematic aspect ratio, 8 distinct film type simulations, No ads, subscriptions, or in-app purchases, Haptic and visual feedback, EV compensation by swiping, Save as lossless HEIF files, EXIF and GPS data saving

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🎥 Excellent film simulations
- 👍 Simple and intuitive interface
- 🎨 Realistic XPan aspect ratio
- 💰 Good value for money
- 📸 Enjoyable photography experience

**What reviewers complain about**

- 🔊 Volume buttons used as shutter
- 🔍 Lack of focus control
- 🎨 Some film simulations too heavy-handed
- 🔍 Viewfinder preview doesn't match final image

**Reported bugs**

- App feels laggy at times
- 48MP camera option doesn't increase image resolution

**Requested features**

- Portrait mode
- Tap to focus and focus/exposure lock
- Selfie mode
- Self-timer
- HDR or max-latitude mode for post-processing


## Frequently asked questions

### Is DxO ONE free?

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

### Is XP4N free?

XP4N costs $1.99, with no in-app purchases.

### Which has better reviews, DxO ONE or XP4N?

XP4N is rated higher. DxO ONE averages 3.6 out of 5 from 35 ratings, while XP4N averages 4.7 from 44 ratings.

### Do DxO ONE or XP4N have ads?

Neither DxO ONE nor XP4N shows ads.

### Which is updated more often, DxO ONE or XP4N?

DxO ONE ships an update every 6 weeks, and XP4N every 2 days. Most recently, DxO ONE was updated on October 20, 2026 and XP4N on October 19, 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.*