CORONA BT vs Rola
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CORONA BT
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.
- Add and manage compatible fixtures
- Create custom scenes and groups
- Adjust brightness
- Choose tunable white and RGBWW colors
- Perfect lighting for any occasion
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Corona BT by FIAT LUX by Corona Lighting puts smart outdoor lighting control at your fingertips. Easily add and manage compatible fixtures, create custom scenes and groups, adjust brightness, and choose from tunable white and RGBWW colors. Create the perfect lighting experience for everyday use, entertaining, holidays, and special occasions.
Rola
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This app provides remote monitoring of your Rola-Chem Controller, delivering real-time visibility into pH and ORP levels. Easily view your latest readings in one place to stay informed, reducing the need for physical site visits.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | CORONA BT | Rola |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 228 MB | 22 MB |
| Age rating | 12+ | 4+ |
| Developer | Corona Lighting Inc. | Red7 Systems Inc |
In-app purchases
CORONA BT
No in-app purchases
Rola
No in-app purchases
