Comparison

RF Engineer's Calc vs Speedcert

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

Head to head

Ai EICR electricians software

Free

🔧 Utilities

No ratingsView app →

About

RF Engineer's Calc

Features

Read full description

A simple RF Engineer's Calculator. Convert Watts to dBm, calculate dBm power changes, convert Return Loss to VSWR, etc...

About

Speedcert

Features

Read full description

SpeedCert helps electricians and contractors create, manage and share UK electrical and safety certificates on iPhone and iPad. Complete EICR, EIC, Minor Works, PAT and many more certificate types with guided workflows, professional PDFs and optional offline access so you can work on site without a reliable signal. Manage clients and installations, capture signatures and photos, and sync across devices when you are back online. Built for UK compliance workflows including BS 7671, with team features and integrations for growing businesses.

Screenshots

RF Engineer's Calc3 screens

Speedcert3 screens

Verdict

The call

The clearest difference is update cadence: Speedcert at every 3 days against RF Engineer's Calc's every 10 months. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RF Engineer's Calc ships an update every 10 months, Speedcert every 3 days. The most recent releases landed on September 5, 2026 and September 24, 2026 respectively.

Scorecard1 real difference · 5 level

RF Engineer's Calc versus Speedcert: the parameters behind the verdict, then further details
Parameter	RF Engineer's Calc	Speedcert
Price	Free	Free
Update frequency	Every 10 months	Every 3 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone	iPhone, iPad — better
Requires iOS	16.1	16.0 — better
Further details — not scored
Size	43 MB	186 MB
Age rating	4+	4+
Developer	GRAHAM JOHN SMITH	ADAM GREEN

In-app purchases

None

RF Engineer's Calc

No in-app purchases

None

Speedcert

No in-app purchases

Questions

Is RF Engineer's Calc free?

RF Engineer's Calc is free to download, with no in-app purchases.

Is Speedcert free?

Speedcert is free to download, with no in-app purchases.

Do RF Engineer's Calc or Speedcert have ads?

Neither RF Engineer's Calc nor Speedcert shows ads.

Which is updated more often, RF Engineer's Calc or Speedcert?

RF Engineer's Calc ships an update every 10 months, and Speedcert every 3 days. Most recently, RF Engineer's Calc was updated on September 5, 2026 and Speedcert on September 24, 2026.