# Holtek MCU Selector vs Renesas MPU Guide

The clearest difference is update cadence: Holtek MCU Selector at every 2 months against Renesas MPU Guide's every 10 months. 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.

Holtek MCU Selector ships an update every 2 months, Renesas MPU Guide every 10 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Holtek MCU Selector | Renesas MPU Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Size | 19 MB | 20 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Holtek Semiconductor(China) Inc](https://appshunter.io/developer/1052056181) | [Renesas Electronics](https://appshunter.io/developer/1073878075) |

## What reviewers say

### Holtek MCU Selector

[App page](https://appshunter.io/ios/app/holtek-mcu-selector/id6444018542)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Renesas MPU Guide

[App page](https://appshunter.io/ios/app/renesas-mpu-guide/id6444048508)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Holtek MCU Selector free?

Holtek MCU Selector is free to download, with no in-app purchases.

### Is Renesas MPU Guide free?

Renesas MPU Guide is free to download, with no in-app purchases.

### Do Holtek MCU Selector or Renesas MPU Guide have ads?

Neither Holtek MCU Selector nor Renesas MPU Guide shows ads.

### Which is updated more often, Holtek MCU Selector or Renesas MPU Guide?

Holtek MCU Selector ships an update every 2 months, and Renesas MPU Guide every 10 months. Most recently, Holtek MCU Selector was updated on October 25, 2026 and Renesas MPU Guide on October 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.*