# RF calculator & Smith Chart vs Querymason

RF calculator & Smith Chart and Querymason are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. RF calculator & Smith Chart sells 1 one-off in-app purchase and Querymason sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

RF calculator & Smith Chart ships an update every 4 months, Querymason every 7 months. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | RF calculator & Smith Chart | Querymason |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Size | 31 MB | 3 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Anas Abubakar](https://appshunter.io/developer/1581534101) | [Souriya Vongchanh](https://appshunter.io/developer/1870362486) |

## What reviewers say

### RF calculator & Smith Chart

[App page](https://appshunter.io/ios/app/rf-calculator-and-smith-chart/id6757265018)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade to pro | $3.99 | one-time |


### Querymason

[App page](https://appshunter.io/ios/app/querymason/id6759875120)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Querymason Pro | $4.99 | one-time |


## Frequently asked questions

### Is RF calculator & Smith Chart free?

RF calculator & Smith Chart is free to download, with in-app purchases available.

### Is Querymason free?

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

### Do RF calculator & Smith Chart or Querymason have ads?

Neither RF calculator & Smith Chart nor Querymason shows ads.

### Which is updated more often, RF calculator & Smith Chart or Querymason?

RF calculator & Smith Chart ships an update every 4 months, and Querymason every 7 months. Most recently, RF calculator & Smith Chart was updated on October 22, 2026 and Querymason on October 28, 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.*