# Smooth Driver vs splotRF

The clearest difference is update cadence: splotRF at every 10 days against Smooth Driver's every 2 months. Smooth Driver's advantage is iOS requirement (5.1.1 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smooth Driver ships an update every 2 months, splotRF every 10 days. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Smooth Driver | splotRF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/splotrf/id1599892560/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 4 MB | 6 MB |
| Requires iOS | **5.1.1** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Jettysoft Pty Ltd](https://appshunter.io/developer/736543909) | [DirectRF](https://appshunter.io/developer/1572692412) |

## What reviewers say

### Smooth Driver

[App page](https://appshunter.io/ios/app/smooth-driver/id736543906)

This app helps drivers monitor and improve their driving habits by tracking hard braking and acceleration. It aims to enhance fuel economy, increase vehicle safety, improve passenger comfort, and ensure the safe transport of goods.

**Highlights:** Monitors hard braking, Tracks acceleration, Improves fuel economy, Enhances vehicle safety, Increases passenger comfort, Ensures safe goods transport

**Features:** macOS Compatibility

**In-app purchases:** none


### splotRF

[App page](https://appshunter.io/ios/app/splotrf/id1599892560)

Visualize and analyze touchstone S-parameter data with interactive plots. Supports multiple file overlays, stability calculations, and various matrix conversions. Export data in vector graphics formats.

**Highlights:** Plot .snp format S-parameter data, Stability circles and µ/µ' analysis, Overlay multiple trace data, View data as a table, S/Y/Z matrix conversion, Smith Chart, Polar, and Rectangular plots, Export to PDF

**In-app purchases:** none


## Frequently asked questions

### Is Smooth Driver free?

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

### Is splotRF free?

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

### Do Smooth Driver or splotRF have ads?

Neither Smooth Driver nor splotRF shows ads.

### Which is updated more often, Smooth Driver or splotRF?

Smooth Driver ships an update every 2 months, and splotRF every 10 days. Most recently, Smooth Driver was updated on November 6, 2026 and splotRF on November 3, 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.*