# Attenuator vs RF Tools

The clearest difference is rating: Attenuator at 5.0 against RF Tools's 3.0. Attenuator also leads on review sentiment (100% vs 60%) and update cadence (every 7 months vs every 14 months). RF Tools's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.6). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Attenuator sells 1 one-off in-app purchase. RF Tools asks for nothing beyond the download.

Attenuator holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews point the same way: 100% of Attenuator's written reviews are positive against 60% of RF Tools's.

Attenuator ships an update every 7 months, RF Tools every 14 months. The most recent releases landed on September 14, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | Attenuator | RF Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/attenuator/id367216554/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/rf-tools/id525678686/reviews) |
| Number of ratings | **8** | 3 |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 14 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 1 MB | 12 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tim E. Burrow](https://appshunter.io/developer/367216557) | [HUBER + SUHNER AG](https://appshunter.io/developer/525678889) |

## 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 |


### RF Tools

[App page](https://appshunter.io/ios/app/rf-tools/id525678686)

This utility app helps engineers and students calculate and convert RF-specific values like impedance, wavelength, and return loss. It also includes a calculator for comparing RF cables and assemblies, and provides access to product catalogs and branch information.

**Highlights:** RF value conversion (impedance, wavelength, return loss), RF assembly calculator, dB calculator, Product catalog access, Branch locator

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Attenuator free?

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

### Is RF Tools free?

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

### Which has better reviews, Attenuator or RF Tools?

Attenuator is rated higher. Attenuator averages 5.0 out of 5 from 8 ratings, while RF Tools averages 3.0 from 3 ratings.

### Do Attenuator or RF Tools have ads?

Neither Attenuator nor RF Tools shows ads.

### Which is updated more often, Attenuator or RF Tools?

Attenuator ships an update every 7 months, and RF Tools every 14 months. Most recently, Attenuator was updated on September 14, 2026 and RF Tools on June 9, 2026.

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