# KiV App vs JPEG XL Toolbox

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.

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.

## The numbers

| Metric | KiV App | JPEG XL Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/jpeg-xl-toolbox/id6470681357/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | — | Free |
| Size | 20 MB | 5 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Uwe Wilhelm](https://appshunter.io/developer/1632434482) | [SUIKA LTD](https://appshunter.io/developer/1597116502) |

## What reviewers say

### KiV App

[App page](https://appshunter.io/ios/app/kiv-app/id1632434480)

**Features:** macOS Compatibility

**In-app purchases:** none


### JPEG XL Toolbox

[App page](https://appshunter.io/ios/app/jpeg-xl-toolbox/id6470681357)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JPEG XL Toolbox Pro | $4.99 | one-time |


## Frequently asked questions

### Is KiV App free?

KiV App is free to download, with no in-app purchases.

### Is JPEG XL Toolbox free?

JPEG XL Toolbox is free to download, with in-app purchases available.

### Do KiV App or JPEG XL Toolbox have ads?

Neither KiV App nor JPEG XL Toolbox shows ads.

### Which is updated more often, KiV App or JPEG XL Toolbox?

KiV App ships an update every 6 months, and JPEG XL Toolbox monthly. Most recently, KiV App was updated on October 27, 2026 and JPEG XL Toolbox on November 3, 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.*