Trichromatic vs JPEG XL Toolbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trichromatic
This app captures three distinct monochrome images using red, green, and blue filters, then merges them into a single creative photograph. Users can adjust various image parameters and share their unique creations.
- Capture RGB monochrome photos
- Combine into one image
- Adjust intervals between shots
- Zoom and reframe options
- Enable flash
- Adjust brightness, contrast, saturation, sharpness
- Save and share final image
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Trichromatic takes three separate monochrome photos (one red, one green, and one blue) and combines them into one image. Achieve creative effects: - different intervals - zoom in or out - enable flash - reframe between shots Adjust brightness, contrast, saturation and sharpness of the final image and share it or save it in your photo album.
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 monetization model: JPEG XL Toolbox at free against Trichromatic's free with in-app purchases. JPEG XL Toolbox also leads on ratings volume (4 vs 1). Trichromatic's advantage is update cadence (every 6 days vs monthly) and rating (5.0 vs 4.8). On price, review sentiment, ads and in-app purchases 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. Trichromatic sells 1 one-off in-app purchase and JPEG XL Toolbox sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Trichromatic holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Trichromatic ships an update every 6 days, JPEG XL Toolbox monthly. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.
| Parameter | Trichromatic | JPEG XL Toolbox |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.8 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 6 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 14 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Christian Lobach | SUIKA LTD |
Customer experience
Trichromatic
JPEG XL Toolbox
In-app purchases
Trichromatic
- Remove Watermark$1.99
JPEG XL Toolbox
- JPEG XL Toolbox Pro$4.99
Questions
Is Trichromatic free?
Is JPEG XL Toolbox free?
Which has better reviews, Trichromatic or JPEG XL Toolbox?
Do Trichromatic or JPEG XL Toolbox have ads?
Which is updated more often, Trichromatic or JPEG XL Toolbox?
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