# RF calculator & Smith Chart vs Splunk Query Studio

The clearest difference is in-app purchases: Splunk Query Studio at none against RF calculator & Smith Chart's 1. Splunk Query Studio also leads on iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. RF calculator & Smith Chart sells 1 one-off in-app purchase. Splunk Query Studio asks for nothing beyond the download.

## The numbers

| Metric | RF calculator & Smith Chart | Splunk Query Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 31 MB | 3 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, 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 |


### Splunk Query Studio

[App page](https://appshunter.io/ios/app/splunk-query-studio/id6759875120)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RF calculator & Smith Chart free?

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

### Is Splunk Query Studio free?

Splunk Query Studio is free to download, with no in-app purchases.

### Do RF calculator & Smith Chart or Splunk Query Studio have ads?

Neither RF calculator & Smith Chart nor Splunk Query Studio shows ads.

---

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