# RF calculator & Smith Chart vs GenticFlow

The clearest difference is in-app purchases: GenticFlow at none against RF calculator & Smith Chart's 1. GenticFlow also leads on update cadence (every 2 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

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

RF calculator & Smith Chart ships an update every 4 months, GenticFlow every 2 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RF calculator & Smith Chart | GenticFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 31 MB | 51 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anas Abubakar](https://appshunter.io/developer/1581534101) | [GenticFlow Ltd.](https://appshunter.io/developer/6777698093) |

## 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 |


### GenticFlow

[App page](https://appshunter.io/ios/app/genticflow/id6777698091)

**Features:** macOS Compatibility, 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 GenticFlow free?

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

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

Neither RF calculator & Smith Chart nor GenticFlow shows ads.

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

RF calculator & Smith Chart ships an update every 4 months, and GenticFlow every 2 days. Most recently, RF calculator & Smith Chart was updated on October 22, 2026 and GenticFlow on October 24, 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.*