PIX4Dcatch vs NTRIP STX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PIX4Dcatch
Transform your mobile device into a powerful 3D scanner. Capture images and LiDAR data to create accurate 3D models for professional use. Visualize, measure, and share your creations in AR.
- 3D model creation from images and LiDAR
- RTK device compatibility for centimeter accuracy
- Live feedback during capture
- Augmented reality (AR) model visualization
- Cloud processing and desktop export options
- Measurement and geolocation capabilities
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Digitize Reality: Transform your mobile device into a powerful 3D scanner. Simply point and record to create professional-grade 3D models. Pair with a compatible RTK device for centimeter-level accuracy, precise measurements, and geolocated 3D reconstructions. Visualize the captured model in the app, upload and export, and view it in AR. New ArcGIS Workflow: PIX4Dcatch now streams ArcGIS data in realtime in AR to provide in-field operators full contextual information about the entire site including 3D reconstructions and attributes. Our capture feature generates complete and defensible georeferenced 3D reconstructions which can be communicated seamlessly back to ArcGIS. New Guide-To Feature: PIX4Dcatch has a guide-to feature directing users to specified geolocated assets for staking, boosting onsite efficiency and accuracy. Just select the point or reconstruction you would like to find and follow the arrows in AR. WORKFLOW 1 – Scan & Capture Walk around your site. The app automatically gathers data and provides live feedback using iOS LiDAR, ensuring you capture every detail. For enhanced accuracy, use an RTK device compatible with PIX4Dcatch, PIX4D Autotags with a fully automated workflow, or combine both. 2 – Process, Analyze & Share Process your data by uploading to PIX4Dcloud for online analysis and sharing, or export to PIX4Dmatic for desktop processing. Both platforms offer a 14-day free trial. Projects can also be exported to third-party photogrammetry software. Measure spaces, document results, and enjoy all the benefits of a detailed 2D/3D model of your surroundings. 3 – View in AR Experience an immersive augmented-reality view. Display 3D models and points directly in your phone camera in AR. ____________________ USE CASES • Digitize construction sites • Measure stockpiles and other objects • Document underground utilities • Digitize indoor and outdoor spaces with Autotags • Visualize and verify 3D models in AR in real time • Perform single-point measurements with RTK accuracy ____________________ COMPATIBILITY • Optimized for LiDAR-equipped devices (Pro series phones) • All ARKit-enabled devices • RTK devices: Emlid Reach RX and RX2, TopCon HiPer CR, Bad Elf Flex Mini, Bad Elf Flex, Trimble DA2, Leica Zeno FLX100 ____________________ TERMS OF USE https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
NTRIP STX
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NTRIP STX is a Ntrip client, capable of delivering RTK corrections to connected Stonex GNSS receivers to provide centimeter accuracy. You can then connect other mapping and surveying apps to these receivers for precise data collection and stakeout. NTRIP STX includes a world-wide database of available Ntrip casters. Free subscription: - Run the Ntrip connection for 10 minutes per day - Free 7 days trial of all “Professional" subscription features Paid "Professional" subscription: - no time limits on connection to Ntrip caster Purchase of a NTRIP STX subscription allows you to run the NTRIP STX App on all supported platforms. Subscription payments will be charged to your iTunes Account at confirmation of purchase and will automatically renew unless you cancel your subscription or turn off auto-renewal at least 24-hours prior to the end of the current subscription period. A cancelled subscription remains active until the end of the current period, at which time your account reverts to the “Free" subscription functionality. Customers selecting the Free Trial will enjoy “Professional" subscription features for a period of 7 days, after which they can elect to purchase a paid subscription. In the absence of a purchase, their account will revert to “Free" subscription functionality. For further information: • NTRIP STX Privacy Policy: https://its-geo.eu/Privacy.html • NTRIP STX Terms of Use: https://its-geo.eu/terms-of-service.html
Screenshots
Verdict
The clearest difference is update cadence: PIX4Dcatch at fortnightly against NTRIP STX's every 10 months. NTRIP STX's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases 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. PIX4Dcatch sells 1 in-app purchase, starting at $159.00 per month and NTRIP STX sells 2 in-app purchases, starting at $4.49 per month. Whichever you choose, the download price is not the number that matters.
PIX4Dcatch ships an update fortnightly, NTRIP STX every 10 months. The most recent releases landed on September 24, 2026 and September 8, 2026 respectively.
| Parameter | PIX4Dcatch | NTRIP STX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (262 ratings) — better | — |
| Positive reviews | 32.5% of reviews | — |
| Number of ratings | 262 — better | — |
| Update frequency | Fortnightly — better | Every 10 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 320 MB | 109 MB |
| Age rating | 4+ | 4+ |
| Developer | Pix4D | ITS Geo Solutions GmbH |
Bugs and requests
PIX4Dcatch
Reported bugs
18 issues- App crashes or shows SDK error with Emlid RX
- Upload doesn't work for Dropbox or OneDrive
- Mesh doesn't display like past versions
- Cannot build an accurate model
- App locks out
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- Outputs contradict (geo tags vs GCP coordinates)
- Cannot log into Pix account inside the app (keyboard issue)
- Does not recognize license
- Stopped uploading
- Photos stored in app, impossible to get if not uploading
- Create account impossible
- Cannot register
- Cannot get contact without registration
- App unbrauchbar (unusable)
- Trial cannot be cancelled
- Scan took 4 days to process
- Fatal results
- Slow and annoying
Requested features
6 requests- Make it possible to work with any GNSS through NMEA Protocol
- Export GCP's in GPS coordinates as well
- Add instructions or tips
- Allow export to local device instead of cloud
- Allow export of images to PC for free
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- Allow testing of 3D generation with a limit of pictures or generated 3Ds for free
NTRIP STX
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PIX4Dcatch
- PIX4Dcatch Professional14 Days trial$159.001 Month
NTRIP STX
- Professional - Monthly$4.491 Month
- Professional - Annual$46.991 Year









