RAyTools vs FabCalc
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
RAyTools
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RAyTools 3 is installation technicianβs best friend and a result of our continued effort to build upon the success of previous generation of the app. RAyTools is a modern mobile and tablet app simplifying planning, deployment and maintenance of RAy links. RAyTools has got 3 main features: β’ Link Calculator supporting all our links and antennas, giving you the same quality of results as our much-loved website calculator; β’ Antenna Alignment for voltmeter-free installation, including real-time RSS plot and acoustic output; β’ Link management access. Next time, leave your heavy gear at home and align antennas only using your phone! Requirements: β’ RAy3 with firmware version 2.0.11.0 or higher installed β see Download section on http://www.racom.eu/ray-downl-eng; β’ WiFi module plugged in to RAy unit β see http://www.racom.eu/wifi2-eng; β’ WiFi enabled in RAy management β see chapter βUSB Accessoriesβ in user manual; β’ Smartphone or tablet connected to RAy unit by WiFi. Use of device location: Your location may be used if the user decides to use the feature to automatically input coordinates into link calculation. It is shared anonymously withΒ Google Maps Elevation API service to request terrain height map of the link. No information is saved outside your device.
FabCalc
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The flat pattern calculator your fab shop needs β cylinders, cone gores, duct wraps, and more. Fully offline. No account. No ads. Stop laying out cone gores by hand on the table. Stop guessing developed length on a duct wrap. FabCalc generates shop-ready flat pattern drawings and 1:1 DXF files for common fabricated shapes. WHAT'S INSIDE β’ Cylinder wrap β full shell and partial segments β’ Half-pipe sleeve β 180Β° cylinder segments β’ Cone / frustum gore β annular sector with slant length and arc development β’ Rectangular duct wrap β four-panel strip with bend lines and bend allowance β’ Live 2D preview β cut profile, bend lines, roll direction, dimensions β’ DXF export β AutoCAD R12 ASCII, layered (CUT, BEND, ROLL, TEXT), 1:1 scale β’ PDF job sheet β drawing, inputs, calculated values, notes β’ Saved jobs β reopen and edit patterns locally WHO IT'S FOR Fabricators, sheet metal workers, pipe fitters, boilermakers, plasma/laser operators, and shop owners who need accurate flat patterns without desktop CAD. FREE vs PRO Free forever: all shape inputs, live preview, calculated values, warnings, and DXF cut-file export. Pro unlocks PDF job sheets and unlimited saved jobs. One-time purchase or subscription. Subscriptions auto-renew until cancelled. Manage in your Apple ID Subscription Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://doublevision.company/privacy NO ACCOUNT. NO ADS. NO DATA COLLECTION. FabCalc works on the layout table, at the plasma table, in the truck. Everything runs locally.
Screenshots
Verdict
The clearest difference is in-app purchases: RAyTools at none against FabCalc's 4. FabCalc's advantage is update cadence (weekly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.
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. FabCalc sells 4 in-app purchases, starting at $4.99 per month. RAyTools asks for nothing beyond the download.
RAyTools ships an update every 4 months, FabCalc weekly. Both last shipped on October 5, 2026.
| Parameter | RAyTools | FabCalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Weekly β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.1 β better | 16.0 |
| Further details β not scored | ||
| Size | 38 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | RACOM s.r.o. | Double Vision USA LLC |
In-app purchases
RAyTools
No in-app purchases
FabCalc
- FabCalc Pro Monthly$4.991 Month
- FabCalc Pro Yearly$29.991 Year
- Fab Shop Bundle$119.99
- ShopCalc Pro Lifetime$129.99
Questions
Is RAyTools free?
Is FabCalc free?
Do RAyTools or FabCalc have ads?
Which is updated more often, RAyTools or FabCalc?
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