Fumis AIR by Atech vs Esolar+
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Fumis AIR by Atech
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The Fumis AIR system brings your stove and its usage to a completely different level. Just fill in fuel, start the fire and leave the rest to the system, which will automatically adjust the combustion to achieve best user comfort, lowest emissions and best efficiency. By an automatic regulation of primary, secondary and tertiary air flap based on different sensors, the system always achieves the best out of the current situation. Forget the stove and do what matters you the most, because youβll get a notification when thereβs the best time to refill again β if you want. From now on, you can use your smart device to remotely control your manually fed heating device. Thanks to Fumis AIR application, you can intuitively swipe through menus, which give you lots of different options and information on the heating device. MAXIMUM COMFORT: -BLE communication with your heating device -Intuitive menu structure -Stay updated on the current state of your heating device -The application warns you about best time to refill -With an integrated room temperature youβll not overheat your room anymore -Automatic combustion control based on real-time measurements MAIN FUNCTIONS: -Set the desired power level -Set the desired room temperature -Set the desired room fan speed -Combustion history -Customizable main screen -Β°C/Β°F -Showing errors/alerts -Refill notification -Automatic and/or manual operation
Esolar+
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This app is a free platform. Once you have the Esolar system, you can monitor and optimize your energy use 24/7. It provides you with a comprehensive view of the energy ecosystem. You can view the direction of energy flow and know whether the energy currently used is from photovoltaic, power grid or battery. You can view the real-time power of PV, system, power grid and battery anytime and anywhere. View the load power consumption and revenue, and set the distribution of electricity price for one day. We provide a variety of operation modes for you to choose from, and optimize the use of energy and save money by setting your electricity preferences.
Screenshots
Verdict
The clearest difference is update cadence: Esolar+ at every 3 months against Fumis AIR by Atech's every 9 months. Fumis AIR by Atech's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Fumis AIR by Atech ships an update every 9 months, Esolar+ every 3 months. The most recent releases landed on September 14, 2026 and May 24, 2026 respectively.
| Parameter | Fumis AIR by Atech | Esolar+ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 3 months β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 β better | 13.0 |
| Further details β not scored | ||
| Size | 19 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Atech d.o.o. | ESY Sunhome Co., Ltd |
In-app purchases
Fumis AIR by Atech
No in-app purchases
Esolar+
No in-app purchases









