Multi vs Qbus Building Control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Multi
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The Multi-Smart multifunctional module is designed to control central heating and ventilation systems (destratifier or free cooling). It generates a Wi-Fi signal that enables the user to establish a local connection via a smartphone or iOS-compatible tablet. Several configurable functions enable the user to control boilers, pumps, motorized valves, and fans according to temperature measurements and programmes hours. In order to use certain functions, the Multi-Smart must be combined with one or more programmable room thermostats. Possible functions Control of a boiler and pumps for domestic hot-water production without three-way valve Control of a boiler, pumps, and a three-way valve for domestic hot-water production Control of a boiler and up to four pumps or zone valves in a multi-zone system Cascade control of two boilers depending on the outside temperature Pump or three-way valve control in a system with solar panels Control of destratifier fan Control of a variable-speed pump in a co-generation unit Control of a boiler, domestic hot-water production, and a heating circuit that can be temperature-adjusted according to the room temperature Control of a mixing valve and two pumps to ensure constant temperature control of hot water in a domestic heating system or domestic hot-water circuit Control of a boiler, a mixing valve, and two pumps for outdoor temperature control Control of a variable-speed fan in a free-cooling installation. Inputs and outputs The Multi-Smart is powered by 230 V. It has two inputs for PTC thermistor probes, four inputs for connections, five outputs with connections for boiler, pump, valve, fan control and a 0-10 V output for modulating boiler or variable-speed pump or fan. Documents and usage instructions are available on www.tempolec.be
Qbus Building Control
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Qbus Building Control is de geavanceerde en intuïtieve interface voor uw gebouwbeheersysteem (BMS). Ontworpen voor commerciële gebouwen, biedt deze applicatie één overzichtelijk platform om alle gekoppelde systemen te monitoren, analyseren en aansturen. Naast het naadloos aansturen van systemen, biedt de app brede mogelijkheden voor datavisualisatie en -analyse. Richt zelf bedieningspagina's in met technische plattegronden, gridweergaven van uitgangen en meerdere camerastreams. Koppel eenvoudig acties en triggers aan uw data. Dankzij de flexibele Cloud-interface en de brede offline-mogelijkheden bent u altijd verzekerd van efficiënt en inzichtelijk gebouwbeheer.
Screenshots
Verdict
The clearest difference is update cadence: Qbus Building Control at every 2 months against Multi's every 29 months. Multi's advantage is iOS requirement (11.0 vs 15.6). 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.
Multi ships an update every 29 months, Qbus Building Control every 2 months. Both last shipped on October 10, 2026.
| Parameter | Multi | Qbus Building Control |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 29 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 28 MB | 312 MB |
| Age rating | 4+ | 4+ |
| Developer | Tempolec | Qbus |
In-app purchases
Multi
No in-app purchases
Qbus Building Control
No in-app purchases
Questions
Is Multi free?
Is Qbus Building Control free?
Do Multi or Qbus Building Control have ads?
Which is updated more often, Multi or Qbus Building Control?
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