XactiViewerPro vs LRTK
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
XactiViewerPro
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How to use: 1. Connect the camera to your iOS device according to the instructions 2. Display the camera image on the iOS device 3. Save the camera image as a still image or video while shooting. 4. Click the upload button to upload the saved file to the cloud server. 5. Share camera images with remote locations and have conversations Compatible camera models: External camera specified by Xacti Corp. iOS device operating environment: Above iOS17/ iPadOS17 Please refer to the website of Xacti Corp. for details on how to connect the camera, display images, shoot, log-in on the cloud server, upload, etc. Remote Live support function is recommended after iphone SE3
LRTK
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Easily Handle High-Accuracy Survey Data on Your Smartphone This is the dedicated app for the "LRTK" centimeter-level GNSS device (*1). By connecting to the LRTK receiver and configuring Network RTK (NtripClient), you can achieve centimeter-level positioning accuracy. Through integration with the LRTK Cloud (*2), captured location data can be instantly synced and viewed via a web browser. Key Features & Use Cases: β’ Easy access to high-accuracy surveying. β’ Instantly share field survey data with office PCs. β’ Manage location data alongside site photos. β’ Easily acquire point cloud data. Note on Altitude Calculation: To obtain JGD2011 (Japan Geodetic Datum 2011) altitude, this app utilizes the calculation API provided by the Geospatial Information Authority of Japan (*3). (*1) https://www.lefixea.com/lrtk (*2) https://lconstruction.lefixea.jp/ (*3) https://vldb.gsi.go.jp/sokuchi/surveycalc/api_help.html
Screenshots
Verdict
XactiViewerPro and LRTK are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
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.
| Parameter | XactiViewerPro | LRTK |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details β not scored | ||
| Size | 145 MB | 867 MB |
| Age rating | 4+ | 4+ |
| Developer | ζ ͺεΌδΌη€ΎγΆγ―γγ£ | γ¬γγ£γ―γ·γ’ζ ͺεΌδΌη€Ύ |
In-app purchases
XactiViewerPro
No in-app purchases
LRTK
No in-app purchases








