# ioTouch2 Lite vs splotRF

The clearest difference is in-app purchases: splotRF at none against ioTouch2 Lite's 4. splotRF also leads on update cadence (every 10 days vs every 7 months). ioTouch2 Lite's advantage is iOS requirement (13.0 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. ioTouch2 Lite sells 4 one-off in-app purchases. splotRF asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ioTouch2 Lite against 5.0 for splotRF. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

ioTouch2 Lite ships an update every 7 months, splotRF every 10 days. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | ioTouch2 Lite | splotRF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/iotouch2-lite/id427947924/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/splotrf/id1599892560/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 6 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [ITO SOFT DESIGN Inc.](https://appshunter.io/developer/311313017) | [DirectRF](https://appshunter.io/developer/1572692412) |

## What reviewers say

### ioTouch2 Lite

[App page](https://appshunter.io/ios/app/iotouch2-lite/id427947924)

Monitor and control industrial machinery via Wi-Fi. This app simplifies PLC management, allowing a single user to adjust machines and check device status without expert knowledge. It offers a user-friendly interface with visual indicators for device states.

**Highlights:** Monitor PLC device status, Manipulate PLC devices, Wi-Fi connectivity, Visual lamp indicators, Supports major PLC brands, 30-minute daily communication limit

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MITSUBISHI | $49.99 | one-time |
| KEYENCE | $49.99 | one-time |
| YOKOGAWA | $49.99 | one-time |
| OMRON | $49.99 | one-time |


### 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 ioTouch2 Lite free?

ioTouch2 Lite is free to download, with in-app purchases available.

### Is splotRF free?

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

### Which has better reviews, ioTouch2 Lite or splotRF?

ioTouch2 Lite and splotRF are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do ioTouch2 Lite or splotRF have ads?

Neither ioTouch2 Lite nor splotRF shows ads.

### Which is updated more often, ioTouch2 Lite or splotRF?

ioTouch2 Lite ships an update every 7 months, and splotRF every 10 days. Most recently, ioTouch2 Lite was updated on October 7, 2026 and splotRF on September 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.*