CMS Engineer vs RF Engineer's Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CMS Engineer
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The Engineer app allows engineers to complete and commission installs and service calls for Connected Management Services.
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...
Screenshots
Verdict
The clearest difference is update cadence: CMS Engineer at monthly against RF Engineer's Calc's every 10 months. CMS Engineer also leads on iOS requirement (13.4 vs 16.1). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CMS Engineer ships an update monthly, RF Engineer's Calc every 10 months. The most recent releases landed on September 23, 2026 and October 6, 2026 respectively.
| Parameter | CMS Engineer | RF Engineer's Calc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.4 — better | 16.1 |
| Further details — not scored | ||
| Size | 36 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | CMS SupaTrak Ltd | GRAHAM JOHN SMITH |
In-app purchases
CMS Engineer
No in-app purchases
RF Engineer's Calc
No in-app purchases
Questions
Is CMS Engineer free?
Is RF Engineer's Calc free?
Do CMS Engineer or RF Engineer's Calc have ads?
Which is updated more often, CMS Engineer or RF Engineer's Calc?
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