RF Engineer's Calc vs CB Security
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RF Engineer's Calc
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A simple RF Engineer's Calculator. Convert Watts to dBm, calculate dBm power changes, convert Return Loss to VSWR, etc...
CB Security
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The "CB Security" App is a cutting edge mobile security application that turns your smart mobile device into your personal home alarm management system. This application is free to download and connects you directly to your security provider and allows you to be instantly informed of any activity on your monitored premises.
Screenshots
Verdict
The clearest difference is iOS requirement: CB Security at 12.0 against RF Engineer's Calc's 16.1. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
RF Engineer's Calc ships an update every 10 months, CB Security every 11 months. The most recent releases landed on October 27, 2026 and October 13, 2026 respectively.
| Parameter | RF Engineer's Calc | CB Security |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | GRAHAM JOHN SMITH | Oryx Systems CC |
In-app purchases
RF Engineer's Calc
No in-app purchases
CB Security
No in-app purchases
Questions
Is RF Engineer's Calc free?
Is CB Security free?
Do RF Engineer's Calc or CB Security have ads?
Which is updated more often, RF Engineer's Calc or CB Security?
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