Theia Cirrus vs Vsensor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Theia Cirrus
Manage and control your LED grow lights remotely from anywhere in the world. The app offers an easy setup wizard and a synchronized dashboard to control multiple zones, rooms, or buildings.
- Cloud-based control
- Global remote access
- Easy setup wizard
- Synchronized dashboard
- Control multiple zones/rooms/buildings
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Theia Cirrus keeps you connected with global, cloud-based control over every aspect of your lighting. Easy Setup Wizard Step-by-step instruction on how to configure and connect Theia hardware, such as the Echo Air Global Control Local or remote control of your lights from anywhere there is an internet connection. Perfectly Synchronized A singular dashboard to control five zones, five rooms or five buildings.
Vsensor
This utility app displays environmental data like PAR, CO2, and CO concentrations directly on your phone. It requires compatible external meters to function.
- Displays PAR data
- Shows CO2 concentration
- Reads CO concentration
- Works with external meters
- Professional tool
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To show the datas of PAR, CO₂ concentration and CO concentration in phone by working with corresponding meters.
Screenshots
Verdict
The clearest difference is review sentiment: Vsensor at 60% against Theia Cirrus's 0%. Vsensor also leads on rating (3.0 vs 2.0) and update cadence (every 3 weeks vs every 20 months). Theia Cirrus's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model 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.
Vsensor holds the better App Store score, 3.0 against 2.0. That said, the two scores are not equally well evidenced: Vsensor has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Theia Cirrus's written reviews are positive against 60% of Vsensor's.
Theia Cirrus ships an update every 20 months, Vsensor every 3 weeks. Both last shipped on November 3, 2026.
| Parameter | Theia Cirrus | Vsensor |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 3.0 (8 ratings) — better |
| Positive reviews | 0.0% of reviews | 60.0% of reviews — better |
| Number of ratings | 1 | 8 — better |
| Update frequency | Every 20 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 52 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Illum Horticulture | 健成 李 |
Customer experience
Theia Cirrus
Vsensor
In-app purchases
Theia Cirrus
No in-app purchases
Vsensor
No in-app purchases
