U vs Lumirri
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
U
Control your smart lighting system with this app. Set custom schedules for different zones, turn lights on/off manually, and name your zones for easy management. It's a convenient interface for Universal Lighting Systems' Zone Control transformers.
- Set zone schedules
- Manual zone control
- Name custom zones
- Individual zone timing
- System on/off control
Read full descriptionHide full description
U-SYNC APP is a Wifi enabled smart device app for Universal Lighting Systems, Inc. Zone Control transformers. The App works as an interface to set schedules for zones on the U-SYNC Zone Control products, as well as manually turning the entire system on/off, or multiple zones on/off. Zones can be named and customized to run on individual times for specific durations of time.
Lumirri
Read full descriptionHide full description
All In One Wireless Irrigation/lighting controller
Screenshots
Verdict
The clearest difference is iOS requirement: U at 10.0 against Lumirri's 12.0. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.
| Parameter | U | Lumirri |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 49 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Universal Lighting System | AVIDZ LLC |
In-app purchases
U
No in-app purchases
Lumirri
No in-app purchases
