# Attenuator vs TelecomsCalc

The clearest difference is price: Attenuator at Free against TelecomsCalc's $0.99. Attenuator also leads on update cadence (every 7 months vs every 17 months). TelecomsCalc's advantage is in-app purchases (none vs 1). On review sentiment, ads, device support and iOS requirement there is nothing between them.

Attenuator is free to download; TelecomsCalc costs $0.99 up front. Attenuator sells 1 one-off in-app purchase. TelecomsCalc asks for nothing beyond the download.

Attenuator ships an update every 7 months, TelecomsCalc every 17 months. Both last shipped on October 1, 2026.

## The numbers

| Metric | Attenuator | TelecomsCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/attenuator/id367216554/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 17 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tim E. Burrow](https://appshunter.io/developer/367216557) | [Tien Hoang](https://appshunter.io/developer/1743631038) |

## What reviewers say

### Attenuator

[App page](https://appshunter.io/ios/app/attenuator/id367216554)

Calculate output voltage, power, and attenuation based on input values and dB of attenuation. Features NMR-specific calculations for pulses and measures local magnetic fields and barometric pressure.

**Highlights:** Calculate output voltage and power, Specify input voltage (Vpp or Vrms), Calculate attenuation in dB, NMR pulse calculations, Measure local magnetic field, Display barometric pressure

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all ads | $1.99 | one-time |


### 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 Attenuator free?

Attenuator is free to download, with in-app purchases available.

### Is TelecomsCalc free?

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

### Do Attenuator or TelecomsCalc have ads?

Neither Attenuator nor TelecomsCalc shows ads.

### Which is updated more often, Attenuator or TelecomsCalc?

Attenuator ships an update every 7 months, and TelecomsCalc every 17 months. Most recently, Attenuator was updated on October 1, 2026 and TelecomsCalc on October 1, 2026.

---

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