# SMART Keypad vs Festo

The clearest difference is update cadence: Festo at every 5 weeks against SMART Keypad's every 8 months. SMART Keypad's advantage is iOS requirement (14.2 vs 17.6). On price, ads, in-app purchases and device support 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, Festo every 5 weeks. The most recent releases landed on June 4, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | SMART Keypad | Festo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 90 MB | 66 MB |
| Requires iOS | **14.2** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lenze SE](https://appshunter.io/developer/570667635) | [Apostle B.V.](https://appshunter.io/developer/958137845) |

## 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


### Festo

[App page](https://appshunter.io/ios/app/festo/id1660726513)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SMART Keypad free?

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

### Is Festo free?

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

### Do SMART Keypad or Festo have ads?

Neither SMART Keypad nor Festo shows ads.

### Which is updated more often, SMART Keypad or Festo?

SMART Keypad ships an update every 8 months, and Festo every 5 weeks. Most recently, SMART Keypad was updated on June 4, 2026 and Festo on September 25, 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.*