Comparison

RadarScope vs TrueFax

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

Head to head
About

RadarScope

Visualize professional-grade weather radar data with advanced tools for meteorologists, storm spotters, and enthusiasts. Access real-time radar information, severe weather alerts, and historical data with optional subscription tiers for enhanced capabilities.

Highlights
  • Single-site radar data visualization
  • Severe weather alerts and warnings
  • NWS-generated storm tracks
  • Historical radar data archive
  • GOES satellite products
  • Multi-Radar Multi-Sensor products
Features
Read full description

RadarScope is an AMS-award-winning weather visualization tool that empowers meteorologists, public safety officials, storm spotters, and weather enthusiasts to view a full suite of single-site radar data and related severe weather products. Your initial purchase provides professional radar visualization in a fully native app, free from distracting and invasive practices, with optional subscription packages to add even more capabilities. Whether you’re scanning for a mesocyclone’s tell-tale hook echo, pinpointing the landfall of a hurricane’s eye wall, or identifying velocity couplet, hail spike, or debris ball signatures, RadarScope displays native radar data in its original radial format. You see what the radar sees almost as soon as the radar sees it, with automatic updates every two to ten minutes depending on the radar’s scanning strategy. Your initial app purchase includes the following: • Full suite of single-site radar products for the US, Canada, Guam, Denmark, Finland, and Germany • 10-frame radar loops • Two built-in providers for radar data • Tornado, thunderstorm, flash flood, marine, snow squall, extreme wind, tropical, and other warnings in the US • Selected severe weather warnings in Canada and Australia • Severe weather watches in the US and Canada • NWS-generated storm tracks with hail, TVS, and mesocyclone attributes • Inspector and distance tools • Color palette options for radar data • Weather Pulse data plan integration • Spotter Network integration for storm and location reporting • mPING integration for submitting weather reports to NSSL • Bundled maps with political borders, water bodies, and highways, optimized for low-bandwidth use • Support for widgets and complications • Universal app for Apple platforms, including Apple Watch, and Apple TV • CarPlay support • Family Sharing support RadarScope Pro Tier One is an optional annual subscription that adds more features for tracking severe weather: • 30-frame radar loops • Cloud-to-ground lightning strikes • Special weather statements in the US and Canada • Mesoscale convective and precipitation discussions • SPC convective, tornado, hail, wind, and fire outlooks • WPC excessive rainfall outlooks in the US • Local storm reports in the US • Custom color palette support • Multi-pane display (2 on phones; 4 on larger devices) • Family Sharing support RadarScope Pro Tier Two is an optional annual or monthly subscription that transforms RadarScope into a more complete visualization tool for a larger suite of weather products, including: • Everything in Pro Tier One • 50-frame radar loops • A third provider for US radar data • 30-year archive of NEXRAD Level II radar data • 6-year archive of NEXRAD Level III data • 30-day archive of super-res and non-US radar data • 20-year archive of NWS bulletins • GOES satellite data • Multi-Radar Multi-Sensor (MRMS) data • Real-Time Mesoscale Assimilation (RTMA) data • GFS, ECMWF, HRRR, HRW, NAM, and RRFS model data • Surface observations • ProbSevere layer • Atmospheric soundings in the US • Hail size, hail probability, and azimuthal shear contours with a 30-day archive • More detailed transportation and satellite imagery maps • Custom color palette support for GOES, MRMS, RTMA, and forecast products • Server-sent events for radar and warning updates • Cross-platform subscription sharing on up to 5 devices If you choose to buy a RadarScope Pro subscription, it will be charged to your App Store account. The subscription will be auto-renewed within 24 hours prior to the end of the current period at the same price you originally paid. Subscriptions may be managed and auto-renewal disabled via your App Store account settings after the purchase. Once purchased, the subscription cannot be canceled during the active subscription period. DTN is committed to safeguarding your privacy online. Our privacy policy is available for review at https://www.dtn.com/privacy-policy/ Please visit our web site for more information.

About

TrueFax

This app provides detailed reports on potential storm damage to homes, similar to how vehicle history reports work. It accesses a nationwide database to identify the frequency and severity of weather events that could have impacted a property.

Highlights
  • Storm damage reports for homes
  • Nationwide storm database
  • Hail, high winds, and lightning data
  • Damage frequency and severity
  • Property damage history
Features
Read full description

A TrueFax report shows possible damage to a house just like a CARFAX report shows possible damage to a vehicle. Using our nationwide database regarding hail, high winds and lightning; TrueFax lists the frequency and severity of storms that may have caused property damage.

Screenshots

RadarScope4 screens
TrueFax4 screens

Verdict

The call

The clearest difference is price: TrueFax at Free against RadarScope's $9.99. TrueFax also leads on rating (5.0 vs 4.2) and in-app purchases (none vs 4). RadarScope's advantage is update cadence (monthly vs every 57 months) and ratings volume (2.8K vs 2). On ads and iOS requirement 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

TrueFax is free to download; RadarScope costs $9.99 up front. RadarScope sells 4 in-app purchases, starting at $9.99 per year. TrueFax asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TrueFax holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: RadarScope has 2.8K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

RadarScope ships an update monthly, TrueFax every 57 months. The most recent releases landed on October 19, 2026 and October 1, 2026 respectively.

Scorecard8 real differences · 3 level
RadarScope versus TrueFax: the parameters behind the verdict, then further details
ParameterRadarScopeTrueFax
Price$9.99Free — better
Rating4.2 (2.8K ratings)5.0 (2 ratings) — better
Positive reviews51.4% of reviews—
Number of ratings2.8K — better2
Update frequencyMonthly — betterEvery 57 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
Best chart rank#1 — better—
DevicesiPhone, iPad, Mac, Apple TV, Apple Watch — betteriPhone, iPad, iPod
Requires iOS16.615.0 — better
Further details — not scored
Size310 MB36 MB
Age rating4+4+
DeveloperBase Velocity, LLCHome Data Experts, LLC

Customer experience

RadarScope

All ratings2,792 ratings
Positive77.7%
Neutral4.3%
Negative18.0%
Written reviews414 reviews
Positive51.4%
Neutral8.5%
Negative40.1%

TrueFax

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

RadarScope

Reported bugs

3 issues
  • Subscription issues and failed purchases
  • Inconsistent radar updates and connectivity problems
  • Apple Watch app limitations and bugs

Requested features

5 requests
  • Winter weather advisories and precipitation coloring
  • Ability to view multiple radars simultaneously
  • More detailed road maps
  • Archived radar data access
  • Customizable alert colors and notifications

TrueFax

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

RadarScope

Subscriptions3
  • Pro Tier 1$9.991 Year
  • Pro Tier 2$14.991 Month
  • Pro Tier 2$99.991 Year
One-time1
  • RadarScope Pro Subscription$9.99
None

TrueFax

No in-app purchases

Questions

Is RadarScope free?
RadarScope costs $9.99, and also offers in-app purchases.
Is TrueFax free?
TrueFax is free to download, with no in-app purchases.
Which has better reviews, RadarScope or TrueFax?
TrueFax is rated higher. RadarScope averages 4.2 out of 5 from 2.8K ratings, while TrueFax averages 5.0 from 2 ratings.
Do RadarScope or TrueFax have ads?
Neither RadarScope nor TrueFax shows ads.
Which is updated more often, RadarScope or TrueFax?
RadarScope ships an update monthly, and TrueFax every 57 months. Most recently, RadarScope was updated on October 19, 2026 and TrueFax on October 1, 2026.

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