Personal Dosimetry Assistant vs RAyTools
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Personal Dosimetry Assistant
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The Personal Dosimetry Assistant (PDA) is a handy tool for personnel working in the field of radiation. This pocket calculator is easy to use and provides quick access to frequently used calculations. Whether itβs design, development or maintenance, Stroetenga Technologies offers highly-skilled IT solutions the meet the current industry standards.
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.
Screenshots
Verdict
The clearest difference is iOS requirement: Personal Dosimetry Assistant at 11.0 against RAyTools's 15.1. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Personal Dosimetry Assistant ships an update every 2 months, RAyTools every 4 months. The most recent releases landed on May 16, 2026 and September 18, 2026 respectively.
| Parameter | Personal Dosimetry Assistant | RAyTools |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months β better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 11.0 β better | 15.1 |
| Further details β not scored | ||
| Size | 21 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Stroetenga Technologies B.V. | RACOM s.r.o. |
In-app purchases
Personal Dosimetry Assistant
No in-app purchases
RAyTools
No in-app purchases
Questions
Is Personal Dosimetry Assistant free?
Is RAyTools free?
Do Personal Dosimetry Assistant or RAyTools have ads?
Which is updated more often, Personal Dosimetry Assistant or RAyTools?
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