Comparison

Multi vs Smart Aria

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Multi

Read full description

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

About

Smart Aria

Features
Read full description

Quickly and easily connect your Aria air conditioner to your smartphone using Bluetooth, no internet needed. Power on/off, adjust temperature and humidity, customize your conditioner, and control fan speed - all from the convenience of your mobile device. Thank you for choosing Smart Aria!

Screenshots

Multi4 screens
Smart Aria4 screens

Verdict

The call

The clearest difference is update cadence: Smart Aria at every 11 days against Multi's every 29 months. Multi's advantage is iOS requirement (11.0 vs 13.4). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Multi ships an update every 29 months, Smart Aria every 11 days. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

Scorecard2 real differences ยท 4 level
Multi versus Smart Aria: the parameters behind the verdict, then further details
ParameterMultiSmart Aria
PriceFreeFree
Update frequencyEvery 29 monthsEvery 11 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 โ€” better13.4
Further details โ€” not scored
Size28 MB24 MB
Age rating4+4+
DeveloperTempolecZepping Innovative Solutions

In-app purchases

None

Multi

No in-app purchases

None

Smart Aria

No in-app purchases

Questions

Is Multi free?
Multi is free to download, with no in-app purchases.
Is Smart Aria free?
Smart Aria is free to download, with no in-app purchases.
Do Multi or Smart Aria have ads?
Neither Multi nor Smart Aria shows ads.
Which is updated more often, Multi or Smart Aria?
Multi ships an update every 29 months, and Smart Aria every 11 days. Most recently, Multi was updated on October 10, 2026 and Smart Aria on October 4, 2026.

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