# Radio & dB Calc vs TelecomsCalc

The clearest difference is price: Radio & dB Calc at Free against TelecomsCalc's $0.99. Radio & dB Calc also leads on update cadence (every 5 months vs every 17 months) and iOS requirement (8.0 vs 16.0). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Radio & dB Calc is free to download; TelecomsCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Radio & dB Calc ships an update every 5 months, TelecomsCalc every 17 months. The most recent releases landed on October 13, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Radio & dB Calc | TelecomsCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/radio-and-db-calc/id376559672/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 17 months |
| Monetization | **Free** | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dioptase](https://appshunter.io/developer/376559675) | [Tien Hoang](https://appshunter.io/developer/1743631038) |

## What reviewers say

### Radio & dB Calc

[App page](https://appshunter.io/ios/app/radio-and-db-calc/id376559672)

This utility app assists radio engineers with common calculations. It allows for adding and subtracting dB values and converting various radio engineering metrics like noise factor and return loss.

**Highlights:** Add/subtract dB values, Convert Noise Factor, Convert Equivalent Input Noise Temperature, Convert Spectral Power Noise Density, Convert Return Loss, Convert Reflection Coefficient, Convert VSWR, Compute maximum mismatch loss

**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 Radio & dB Calc free?

Radio & dB Calc is free to download, with no in-app purchases.

### Is TelecomsCalc free?

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

### Do Radio & dB Calc or TelecomsCalc have ads?

Neither Radio & dB Calc nor TelecomsCalc shows ads.

### Which is updated more often, Radio & dB Calc or TelecomsCalc?

Radio & dB Calc ships an update every 5 months, and TelecomsCalc every 17 months. Most recently, Radio & dB Calc was updated on October 13, 2026 and TelecomsCalc on October 30, 2026.

---

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