# Carel Controlla vs Resistor Decoder

The clearest difference is update cadence: Resistor Decoder at every 9 days against Carel Controlla's every 3 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.

Carel Controlla ships an update every 3 months, Resistor Decoder every 9 days. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Carel Controlla | Resistor Decoder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 52 MB | 72 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAREL INDUSTRIES S.p.A.](https://appshunter.io/developer/1797037609) | [ESDEV Teknoloji](https://appshunter.io/developer/1693053468) |

## What reviewers say

### Carel Controlla

[App page](https://appshunter.io/ios/app/carel-controlla/id1412655267)

**Features:** macOS Compatibility

**In-app purchases:** none


### Resistor Decoder

[App page](https://appshunter.io/ios/app/resistor-decoder/id6786609623)

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

**In-app purchases:** none


## Frequently asked questions

### Is Carel Controlla free?

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

### Is Resistor Decoder free?

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

### Do Carel Controlla or Resistor Decoder have ads?

Neither Carel Controlla nor Resistor Decoder shows ads.

### Which is updated more often, Carel Controlla or Resistor Decoder?

Carel Controlla ships an update every 3 months, and Resistor Decoder every 9 days. Most recently, Carel Controlla was updated on September 21, 2026 and Resistor Decoder on September 11, 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.*