# SMART Keypad vs Remote PLC

The clearest difference is review sentiment: SMART Keypad at 20% against Remote PLC's 0%. SMART Keypad also leads on iOS requirement (14.2 vs 16.1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

SMART Keypad ships an update every 8 months, Remote PLC every 5 months. The most recent releases landed on September 20, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | SMART Keypad | Remote PLC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (4 ratings)](https://appshunter.io/ios/app/remote-plc/id6450824863/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **20.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 90 MB | 92 MB |
| Requires iOS | **14.2** | 16.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lenze SE](https://appshunter.io/developer/570667635) | [Automationdirect.com](https://appshunter.io/developer/441915589) |

## What reviewers say

### SMART Keypad

[App page](https://appshunter.io/ios/app/smart-keypad/id1292192378)

This application enables the diagnosis and configuration of a Lenze i500 inverter via a WLAN module. It offers features for connecting, diagnosing device status, performing basic commissioning, managing parameters, and controlling the inverter manually. Users can also transfer parameter sets and reset errors.

**Highlights:** Inverter diagnosis and parameterization, Device connection and search, Parameter list and management, Manual inverter control, Parameter set transfer, Error reset and device reset

**In-app purchases:** none


### Remote PLC

[App page](https://appshunter.io/ios/app/remote-plc/id6450824863)

Monitor and control Automationdirect.com's CLICK and CLICK PLUS Programmable Logic Controllers in real time. View and edit PLC registers, check project information, and manage user accounts with customizable monitor windows.

**Highlights:** Real-time monitoring and control, View and edit PLC registers, Multiple level user accounts, Customizable monitor windows, Access PLC error logs, Check PLC project information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMART Keypad free?

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

### Is Remote PLC free?

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

### Do SMART Keypad or Remote PLC have ads?

Neither SMART Keypad nor Remote PLC shows ads.

### Which is updated more often, SMART Keypad or Remote PLC?

SMART Keypad ships an update every 8 months, and Remote PLC every 5 months. Most recently, SMART Keypad was updated on September 20, 2026 and Remote PLC on September 27, 2026.

---

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