# Otrol vs Dimmit

The clearest difference is update cadence: Otrol at every 2 months against Dimmit's every 10 months. Dimmit's advantage is iOS requirement (13.0 vs 15.0). 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.

Otrol ships an update every 2 months, Dimmit every 10 months. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Otrol | Dimmit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Size | 38 MB | 190 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DoubleVision Technology Co., Ltd.](https://appshunter.io/developer/1146786618) | [Tronix Lighting B.V.](https://appshunter.io/developer/1625837147) |

## What reviewers say

### Otrol

[App page](https://appshunter.io/ios/app/otrol-csc/id1558995591)

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

**In-app purchases:** none


### Dimmit

[App page](https://appshunter.io/ios/app/dimmit/id1625837145)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Otrol free?

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

### Is Dimmit free?

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

### Do Otrol or Dimmit have ads?

Neither Otrol nor Dimmit shows ads.

### Which is updated more often, Otrol or Dimmit?

Otrol ships an update every 2 months, and Dimmit every 10 months. Most recently, Otrol was updated on September 14, 2026 and Dimmit on September 21, 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.*