# Attenuator vs Calculator mini

The clearest difference is rating: Attenuator at 5.0 against Calculator mini's 4.2. Calculator mini's advantage is update cadence (every 2 days vs every 7 months) and monetization model (free vs free with in-app purchases). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Attenuator sells 1 one-off in-app purchase and Calculator mini sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Attenuator holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Attenuator ships an update every 7 months, Calculator mini every 2 days. The most recent releases landed on July 29, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Attenuator | Calculator mini |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/attenuator/id367216554/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/calculator-mini-combo/id1672581992/reviews) |
| Number of ratings | **8** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 1 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tim E. Burrow](https://appshunter.io/developer/367216557) | [鑫 吴](https://appshunter.io/developer/1439411405) |

## 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 |


### Calculator mini

[App page](https://appshunter.io/ios/app/calculator-mini-combo/id1672581992)

A straightforward calculator app featuring a clean design. It offers essential calculation functions, a history log, and home screen widget support for quick access. Enjoy a seamless and elegant user experience for your everyday calculations.

**Highlights:** Basic calculation functions, Combination calculation, History records, Home screen widgets, Sleek design

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator mini · Pro | $0.99 | one-time |


## Frequently asked questions

### Is Attenuator free?

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

### Is Calculator mini free?

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

### Which has better reviews, Attenuator or Calculator mini?

Attenuator is rated higher. Attenuator averages 5.0 out of 5 from 8 ratings, while Calculator mini averages 4.2 from 5 ratings.

### Do Attenuator or Calculator mini have ads?

Neither Attenuator nor Calculator mini shows ads.

### Which is updated more often, Attenuator or Calculator mini?

Attenuator ships an update every 7 months, and Calculator mini every 2 days. Most recently, Attenuator was updated on July 29, 2026 and Calculator mini on September 23, 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.*