RF Slide Rule vs RC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RF Slide Rule
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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.
RC
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This APP provides install and setting tool for metering.
Screenshots
Verdict
The clearest difference is iOS requirement: RF Slide Rule at 7.0 against RC's 13.0. 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 Slide Rule ships an update weekly, RC fortnightly. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.
| Parameter | RF Slide Rule | RC |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 7.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 1 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | CEC, S.A. | NextDrive Co. |
In-app purchases
RF Slide Rule
No in-app purchases
RC
No in-app purchases
