Comparison

3D Point Cloud Viewer vs Spectrum SDR (RTL

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

3D Point Cloud Viewer

This application allows you to open and inspect real-world scan data files like E57, PTS, PLY, XYZ, and LAS. It offers intuitive touch and mouse controls for navigating 3D point clouds, with options to adjust point size, color tint, and capture screenshots.

Highlights
  • Import E57, PTS, PLY, XYZ, LAS files
  • Touch and mouse navigation (orbit, pan, zoom)
  • Adjust point size and elevation tint
  • Capture screenshots
  • File list management
  • Data statistics panel
Features
Read full description

Point Cloud Viewer helps you open and inspect real-world scan data quickly. Import E57, PTS, PLY, XYZ and LAS files from Files, cloud storage, or local folders. Use simple touch and mouse controls to orbit, pan and zoom around your point cloud. Adjust point size, toggle elevation tint, review bounds and point counts, and capture screenshots to Photos or Files. Built for field and office workflows: Fast import with loading progress feedback Clean 3D inspection on iPhone, iPad and Mac File list management with remove controls Data panel with format, bounds, center and point statistics Session-based library behavior so files do not auto-open on next launch Great for construction, surveying, BIM coordination and scan QA.

About

Spectrum SDR (RTL

Explore radio signals with your RTL-SDR dongle. Listen to AM/FM/SSB/CW, view FFT and waterfall displays, and customize your experience. Requires a remote rtl_tcp instance over WiFi.

Highlights
  • Full frequency range support
  • AM, FM, SSB, CW reception
  • FFT and Waterfall displays
  • Adjustable sample rates
  • Bias tee and gain controls
  • Squelch functionality
  • Customizable display options
Features
Read full description

This application is about having a bit of fun with those amazing little RTL-SDR dongles, whilst listening to AM/FM/SSB/CW radio signals. It's nice and easy to use so why not give it a try? - Covers the full frequency range of your RTL-SDR dongle. - AM and FM, wide and narrow, SSB, CW. - FFT and Waterfall displays. - Sample rates 240000 Hz to 2160000 Hz. - Bias tee control. - 75 presets over 5 pages. - Gain controls. - Squelch. - Flexible display options, hide things you don't need to see. - Built-in help. The application needs to be connected to an instance of rtl_tcp running on a remote computer, most likely over WiFi. You will need a good network connection for this to work reliably when using the higher sample rates. It can be installed on an iPhone, iPad or Apple Silicon Mac. We hope you enjoy using this application.

Screenshots

3D Point Cloud Viewer4 screens
Spectrum SDR (RTL3 screens

Verdict

The call

The clearest difference is review sentiment: Spectrum SDR (RTL at 100% against 3D Point Cloud Viewer's 50%. Spectrum SDR (RTL also leads on price (Free vs $0.99) and update cadence (every 11 days vs every 4 weeks). 3D Point Cloud Viewer's advantage is rating (5.0 vs 4.5) and in-app purchases (none vs 1). On ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Spectrum SDR (RTL is free to download; 3D Point Cloud Viewer costs $0.99 up front. Spectrum SDR (RTL sells 1 one-off in-app purchase. 3D Point Cloud Viewer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

3D Point Cloud Viewer holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews complicate that: 50% of 3D Point Cloud Viewer's written reviews are positive against 100% of Spectrum SDR (RTL's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

3D Point Cloud Viewer ships an update every 4 weeks, Spectrum SDR (RTL every 11 days. The most recent releases landed on September 11, 2026 and September 23, 2026 respectively.

Scorecard7 real differences · 3 level
3D Point Cloud Viewer versus Spectrum SDR (RTL: the parameters behind the verdict, then further details
Parameter3D Point Cloud ViewerSpectrum SDR (RTL
Price$0.99Free — better
Rating5.0 (1 ratings) — better4.5 (2 ratings)
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings12 — better
Update frequencyEvery 4 weeksEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree — better
DevicesiPhone, iPad, MaciPhone, iPad, Mac
Requires iOS17.0 — better26.0
Further details — not scored
Size3 MB7 MB
Age rating4+4+
DeveloperJamie WardJames Mainwaring

Customer experience

3D Point Cloud Viewer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Spectrum SDR (RTL

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

3D Point Cloud Viewer

No in-app purchases

1 purchases

Spectrum SDR (RTL

One-time1
  • Full Version$2.99

Questions

Is 3D Point Cloud Viewer free?
3D Point Cloud Viewer costs $0.99, with no in-app purchases.
Is Spectrum SDR (RTL free?
Spectrum SDR (RTL is free to download, with in-app purchases available.
Which has better reviews, 3D Point Cloud Viewer or Spectrum SDR (RTL?
3D Point Cloud Viewer is rated higher. 3D Point Cloud Viewer averages 5.0 out of 5 from 1 ratings, while Spectrum SDR (RTL averages 4.5 from 2 ratings.
Do 3D Point Cloud Viewer or Spectrum SDR (RTL have ads?
Neither 3D Point Cloud Viewer nor Spectrum SDR (RTL shows ads.
Which is updated more often, 3D Point Cloud Viewer or Spectrum SDR (RTL?
3D Point Cloud Viewer ships an update every 4 weeks, and Spectrum SDR (RTL every 11 days. Most recently, 3D Point Cloud Viewer was updated on September 11, 2026 and Spectrum SDR (RTL on September 23, 2026.

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