Comparison

RF Slide Rule vs Prombee Config App

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

Head to head

Connect to your PromBee Probe.

Free

🔧 Utilities

No ratingsView app →

About

RF Slide Rule

Features

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A simple RF Tool to calculate: - Free Space loss - RSSI - Pathloss - EIRP for a given RF link taking as inputs: - Frequency (GHz) - Distance (km or mi) - Tx and Rx Antenna gains - Rx Sensitivity - Tx Power This App should be periodically updated to incorporate additional useful RF and Telecom engineering formulas.

About

Prombee Config App

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PromBee Config App is an application to connect, monitor and configure PromBee probes, which is a small probe unit to monitor RF signal. PromBee Config App and PromBee Probe are parts of our latest service, RF Monitoring Service PromBee. Please contact us for more information. PromBee Config App allows the user of our service to monitor and control their probe. The followings are the main feature of PromBee Config App. - Display RF status available from the probe - Display network interface status of the probe - Display information regarding the probe such as software version and serial - Turn the probe's network interface on and off - Connect the probe to available Wi-Fi access point - Set static IP address for the probe - Reboot the probe - Update and remove location data stored in the probe - Change the probe channel - Edit short commentary text stored in the probe

Screenshots

RF Slide Rule2 screens

Prombee Config App4 screens

Verdict

The call

The clearest difference is update cadence: RF Slide Rule at weekly against Prombee Config App's every 6 weeks. RF Slide Rule also leads on iOS requirement (7.0 vs 13.0). 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 Slide Rule ships an update weekly, Prombee Config App every 6 weeks. The most recent releases landed on October 26, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 4 level

RF Slide Rule versus Prombee Config App: the parameters behind the verdict, then further details
Parameter	RF Slide Rule	Prombee Config App
Price	Free	Free
Update frequency	Weekly — better	Every 6 weeks
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	7.0 — better	13.0
Further details — not scored
Size	1 MB	2 MB
Age rating	4+	4+
Developer	CEC, S.A.	Traffic Sim Co.,Ltd.

In-app purchases

None

RF Slide Rule

No in-app purchases

None

Prombee Config App

No in-app purchases

Questions

Is RF Slide Rule free?

RF Slide Rule is free to download, with no in-app purchases.

Is Prombee Config App free?

Prombee Config App is free to download, with no in-app purchases.

Do RF Slide Rule or Prombee Config App have ads?

Neither RF Slide Rule nor Prombee Config App shows ads.

Which is updated more often, RF Slide Rule or Prombee Config App?

RF Slide Rule ships an update weekly, and Prombee Config App every 6 weeks. Most recently, RF Slide Rule was updated on October 26, 2026 and Prombee Config App on October 9, 2026.