Reuk vs JPEG XL Toolbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Reuk
Gain complete manual control over your iPhone's camera settings for precise photo adjustments. Shoot in RAW for maximum post-processing flexibility and utilize Apple Watch integration for remote control and review. Features include live histogram, focus loupe, and customizable timers.
- Full manual camera controls
- RAW photo capture
- Apple Watch remote control
- Live histogram
- Focus loupe
- Customizable timers
- Grid and level guides
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Take full control of your camera, with Reuk you get complete control over your photo's exposure so you can make it look exactly the way you want it to. And if you have an iPhone 6s or newer you can also shoot in RAW so that you have the most flexibility when post processing your photos! It's very easy to change any parameter to your preference, just choose what you want to edit and swipe on the viewfinder. You get full manual control over the ISO, shutter speed, focus, white balance, and flash mode. Take photos and review them straight from Reuk for Apple Watch. You can also set a timer and make quick adjustments to the exposure or white balance without needing to touch your iPhone. Other features - Shoot in RAW, RAW + JPEG, or JPEG [requires iPhone 6s or newer]. - Use either the wide angle or telephoto lenses on the iPhone 7 Plus. - Choose between the wide angle and telephoto lenses of the iPhone 7 Plus to always open the app to that focal length. - Live histogram to help you expose your photos. - Show a loupe when focusing to make sure your photo is focused correctly. - Choose either a 5 or 10 second timer so you can be on the photo or to avoid any vibrations in your photo when using a tripod. - The viewfinder shows you 100% of what your camera sees, so you get to see exactly what you're going to get once you take the photo, no guessing what part of the photo the viewfinder is cropping, and you can use the grid to help you set up your shots. - Use the levels to make sure your photos are just right. - Automatically uses Optical Image Stabilization when available.
JPEG XL Toolbox
This app converts various image formats, including ProRAW DNG, HEIF, and JPEG, to JPEG XL (JXL). It offers lossless and lossy compression options, preserves metadata and 16-bit depth, and supports batch conversions. The app also maintains HDR display effects.
- ProRAW DNG to JXL conversion
- Lossless and lossy compression
- Metadata and 16-bit depth preservation
- HDR display effect support
- Batch conversion
- HEIF and JPEG to JXL conversion
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This application offers various JPEG XL (JXL) functionalities. Supports: * ProRAW DNG -> DNG - Lossless compression, about 1/2 of the original size - Lossy compression, about 1/6 of the original size * ProRAW DNG -> JXL - Lossy conversion, about 1/7 of the original size * DNG -> JXL - Lossy conversion, about 1/7 of the original size * HEIF -> JXL - Lossy conversion * JPEG -> JXL - Lossless conversion Features: * Keeps the internal metadata * Preserves 16-bit depth * Preserves HDR display effects in iOS Photos App * Batch conversion capabilities === CHNAGELOG === ### version 0.3.2 * Bumps libjxl to v0.10.2 * Adjusts settings view ### version 0.3.1 * Improves processing speed significantly * Adds lossless mode for ProRAW compression * Uses 7 as the default effort ### version 0.3.0 * Adds ProRAW direct compression ### version 0.2.1 * Settings page adjustment * Some UI improvements ### version 0.2.0 * Adds Pro version purchase * Adds several ProRAW parameters in settings for Pro version * Adds decoding speed in settings * Low memory mode now allows devices with 4GB RAM to convert 48M ProRAW ### version 0.1.2 * Uses lossless encoding for JPEG automatically * Adds Modular mode support * Adds Progressive mode support * Adds Colorspace support * Keeps HDR effect when converting from ProRAW ### version 0.1.1 * Adds support for ProRAW to lossy JPEG XL conversion * Adds Batch conversion * Keeps DNG Metadata in JXL * Adds quality and effort in settings
Screenshots
Verdict
The clearest difference is in-app purchases: Reuk at none against JPEG XL Toolbox's 1. Reuk also leads on iOS requirement (10.0 vs 16.0). JPEG XL Toolbox's advantage is rating (4.8 vs 4.3) and review sentiment (100% vs 70%). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. JPEG XL Toolbox sells 1 one-off in-app purchase. Reuk asks for nothing beyond the download.
JPEG XL Toolbox holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 10 and 4 respectively. Written reviews point the same way: 70% of Reuk's written reviews are positive against 100% of JPEG XL Toolbox's.
Reuk ships an update every 2 months, JPEG XL Toolbox monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Reuk | JPEG XL Toolbox |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (10 ratings) | 4.8 (4 ratings) — better |
| Positive reviews | 70.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 10 — better | 4 |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 2 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | manolo Sanudo | SUIKA LTD |
Customer experience
Reuk
JPEG XL Toolbox
In-app purchases
Reuk
No in-app purchases
JPEG XL Toolbox
- JPEG XL Toolbox Pro$4.99








