# CORONA BT vs Rola

The clearest difference is update cadence: Rola at every 6 weeks against CORONA BT's every 10 months. CORONA BT's advantage is iOS requirement (14.0 vs 16.0). 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.

CORONA BT ships an update every 10 months, Rola every 6 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | CORONA BT | Rola |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/corona-bt/id1640289766/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 228 MB | 22 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Corona Lighting Inc.](https://appshunter.io/developer/1640289768) | [Red7 Systems Inc](https://appshunter.io/developer/1261525256) |

## What reviewers say

### CORONA BT

[App page](https://appshunter.io/ios/app/corona-bt/id1640289766)

Control smart outdoor lighting fixtures from your phone. Add devices, create custom scenes and groups, and adjust brightness and color. Perfect for everyday use, entertaining, and special occasions.

**Highlights:** Add and manage compatible fixtures, Create custom scenes and groups, Adjust brightness, Choose tunable white and RGBWW colors, Perfect lighting for any occasion

**In-app purchases:** none


### Rola

[App page](https://appshunter.io/ios/app/rola-chem-controllers/id1673144672)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CORONA BT free?

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

### Is Rola free?

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

### Do CORONA BT or Rola have ads?

Neither CORONA BT nor Rola shows ads.

### Which is updated more often, CORONA BT or Rola?

CORONA BT ships an update every 10 months, and Rola every 6 weeks. Most recently, CORONA BT was updated on November 3, 2026 and Rola on October 27, 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.*