KiV App vs JPEG XL Toolbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KiV App
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Beobachten Sie in Echtzeit die Vögel in Ihrem Nistkasten. Erstellen Sie manuell Aufnahmen oder greifen Sie auf automatisch erstellte Aufnahmen zu. Kompatibel mit Nistkästen von Kamera-im-Vogelhaus.
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: KiV App at none against JPEG XL Toolbox's 1. KiV App also leads on iOS requirement (14.0 vs 16.0). JPEG XL Toolbox's advantage is update cadence (monthly vs every 6 months). On price, ads and device support 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. KiV App asks for nothing beyond the download.
KiV App ships an update every 6 months, JPEG XL Toolbox monthly. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.
| Parameter | KiV App | JPEG XL Toolbox |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 6 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 20 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Uwe Wilhelm | SUIKA LTD |
In-app purchases
KiV App
No in-app purchases
JPEG XL Toolbox
- JPEG XL Toolbox Pro$4.99
