# XactiViewerPro vs LRTK

XactiViewerPro and LRTK are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | XactiViewerPro | LRTK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 145 MB | 867 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [株式会社ザクティ](https://appshunter.io/developer/1531663195) | [レフィクシア株式会社](https://appshunter.io/developer/1599841370) |

## What reviewers say

### XactiViewerPro

[App page](https://appshunter.io/ios/app/xactiviewerpro/id1575321323)

**In-app purchases:** none


### LRTK

[App page](https://appshunter.io/ios/app/lrtk/id1641216786)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is XactiViewerPro free?

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

### Is LRTK free?

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

### Do XactiViewerPro or LRTK have ads?

Neither XactiViewerPro nor LRTK shows ads.

### Which is updated more often, XactiViewerPro or LRTK?

XactiViewerPro ships an update weekly, and LRTK weekly. Most recently, XactiViewerPro was updated on October 5, 2026 and LRTK on October 10, 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.*