# Energy Controller for Powston vs Resistor Decoder

The clearest difference is iOS requirement: Resistor Decoder at 15.0 against Energy Controller for Powston's 17.6. 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.

Energy Controller for Powston ships an update weekly, Resistor Decoder every 9 days. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Energy Controller for Powston | Resistor Decoder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Size | 13 MB | 72 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, Apple TV, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Richard Bollar](https://appshunter.io/developer/1864304955) | [ESDEV Teknoloji](https://appshunter.io/developer/1693053468) |

## What reviewers say

### Energy Controller for Powston

[App page](https://appshunter.io/ios/app/energy-controller-for-powston/id6757072169)

**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 Energy Controller for Powston free?

Energy Controller for Powston 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 Energy Controller for Powston or Resistor Decoder have ads?

Neither Energy Controller for Powston nor Resistor Decoder shows ads.

### Which is updated more often, Energy Controller for Powston or Resistor Decoder?

Energy Controller for Powston ships an update weekly, and Resistor Decoder every 9 days. Most recently, Energy Controller for Powston was updated on October 5, 2026 and Resistor Decoder on September 30, 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.*