# RF Slide Rule vs TelecomsCalc

The clearest difference is price: RF Slide Rule at Free against TelecomsCalc's $0.99. RF Slide Rule also leads on update cadence (weekly vs every 17 months) and iOS requirement (7.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

RF Slide Rule is free to download; TelecomsCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RF Slide Rule ships an update weekly, TelecomsCalc every 17 months. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | RF Slide Rule | TelecomsCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 17 months |
| Monetization | — | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | **7.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CEC, S.A.](https://appshunter.io/developer/537230070) | [Tien Hoang](https://appshunter.io/developer/1743631038) |

## What reviewers say

### RF Slide Rule

[App page](https://appshunter.io/ios/app/rf-slide-rule/id448166676)

**Features:** macOS Compatibility

**In-app purchases:** none


### TelecomsCalc

[App page](https://appshunter.io/ios/app/telecomscalc/id6566176373)

This app offers a suite of tools for wireless communication and antenna engineering. It simplifies complex calculations for unit conversion, path loss, antenna tilt, Fresnel radius, and more, aiding students and professionals in wireless network planning.

**Highlights:** Unit Converter (dBm, watt, milliwatt), Free Space Path Loss Calculator, Antenna Tilt Coverage Calculator, Fresnel Radius Calculator, Parabolic Antenna Gain Calculator, VSWR to Reflection Coefficient Converter, Frequency to Wavelength Converter

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RF Slide Rule free?

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

### Is TelecomsCalc free?

TelecomsCalc costs $0.99, with no in-app purchases.

### Do RF Slide Rule or TelecomsCalc have ads?

Neither RF Slide Rule nor TelecomsCalc shows ads.

### Which is updated more often, RF Slide Rule or TelecomsCalc?

RF Slide Rule ships an update weekly, and TelecomsCalc every 17 months. Most recently, RF Slide Rule was updated on October 14, 2026 and TelecomsCalc on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*