# IoT Aqualarm vs MicroSense2

The clearest difference is update cadence: MicroSense2 at every 4 months against IoT Aqualarm's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

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

IoT Aqualarm ships an update every 10 months, MicroSense2 every 4 months. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | IoT Aqualarm | MicroSense2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 months** |
| Size | 202 MB | 28 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sentient Technology Co. Limited](https://appshunter.io/developer/1598329454) | [Innohome Oy](https://appshunter.io/developer/1321286973) |

## What reviewers say

### IoT Aqualarm

[App page](https://appshunter.io/ios/app/iot-aqualarm/id1615567987)

**In-app purchases:** none


### MicroSense2

[App page](https://appshunter.io/ios/app/microsense2/id6474611474)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IoT Aqualarm free?

IoT Aqualarm is free to download, with no in-app purchases.

### Is MicroSense2 free?

MicroSense2 is free to download, with no in-app purchases.

### Do IoT Aqualarm or MicroSense2 have ads?

Neither IoT Aqualarm nor MicroSense2 shows ads.

### Which is updated more often, IoT Aqualarm or MicroSense2?

IoT Aqualarm ships an update every 10 months, and MicroSense2 every 4 months. Most recently, IoT Aqualarm was updated on September 9, 2026 and MicroSense2 on September 15, 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.*