Ontech SMS vs Wallas Remote
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ontech SMS
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This is the official Ontech Control application for Iphone. It makes it simple to remotely control your Ontech GSM Unit. Just tap on the buttons and the app will automatically create an SMS ready to send. The app uses SMS for communication with the GSM unit and the SMS cost will be charged as normal.
Wallas Remote
Control your Wallas heating and ventilation systems remotely. Adjust temperatures, activate modes, and monitor system status. Connect your heater to WiFi for software updates and enhanced control.
- Start/stop heating modes
- Control ventilation boost
- Adjust target temperatures
- Monitor system status
- Connect heater to WiFi
- Over-the-air software updates
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Wallas Remote enables you to: - Start and Stop your heater in different heating modes - Start and Stop Ventilation Boost and Water Pump mode (depending on device) - Read and adjust the target room temperature, coolant and oven temperatures (depending on device) - Read the room temperature and coolant temperature - Control devices using Wallas SWITCHMASTER (https://wallas.fi/product/switchmaster/) - Read system information, such as voltage and error information - Connect your heater to WiFi and update software using Over-The-Air updates
Screenshots
Verdict
The clearest difference is iOS requirement: Ontech SMS at 8.1 against Wallas Remote's 12.4. 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.
Ontech SMS ships an update every 9 months, Wallas Remote every 6 months. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.
| Parameter | Ontech SMS | Wallas Remote |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.6 (5 ratings) — better |
| Positive reviews | — | 54.5% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 9 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.1 — better | 12.4 |
| Further details — not scored | ||
| Size | 16 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Onvako AB | Wallas-Marin Oy |
In-app purchases
Ontech SMS
No in-app purchases
Wallas Remote
No in-app purchases
Questions
Is Ontech SMS free?
Is Wallas Remote free?
Do Ontech SMS or Wallas Remote have ads?
Which is updated more often, Ontech SMS or Wallas Remote?
Other comparisons
