# Ontech SMS vs Wallas Remote

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.

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.

## The numbers

| Metric | Ontech SMS | Wallas Remote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (5 ratings)](https://appshunter.io/ios/app/wallas-remote/id1446209074/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 54.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 months** |
| Monetization | — | Free |
| Size | 16 MB | 15 MB |
| Requires iOS | **8.1** | 12.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Onvako AB](https://appshunter.io/developer/1799962438) | [Wallas-Marin Oy](https://appshunter.io/developer/1446209073) |

## What reviewers say

### Ontech SMS

[App page](https://appshunter.io/ios/app/ontech-sms/id520173130)

**In-app purchases:** none


### Wallas Remote

[App page](https://appshunter.io/ios/app/wallas-remote/id1446209074)

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.

**Highlights:** Start/stop heating modes, Control ventilation boost, Adjust target temperatures, Monitor system status, Connect heater to WiFi, Over-the-air software updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ontech SMS free?

Ontech SMS is free to download, with no in-app purchases.

### Is Wallas Remote free?

Wallas Remote is free to download, with no in-app purchases.

### Do Ontech SMS or Wallas Remote have ads?

Neither Ontech SMS nor Wallas Remote shows ads.

### Which is updated more often, Ontech SMS or Wallas Remote?

Ontech SMS ships an update every 9 months, and Wallas Remote every 6 months. Most recently, Ontech SMS was updated on October 4, 2026 and Wallas Remote on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*