# Easyform smartSENSOR vs 3Koppla

The clearest difference is device support: Easyform smartSENSOR at 3 against 3Koppla's 1. Easyform smartSENSOR also leads on iOS requirement (11.0 vs 17.6). 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.

Easyform smartSENSOR ships an update every 6 weeks, 3Koppla every 2 months. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Easyform smartSENSOR | 3Koppla |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 63 MB | 150 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Easyform AB](https://appshunter.io/developer/1719652232) | [Hi3G Access AB](https://appshunter.io/developer/370889034) |

## What reviewers say

### Easyform smartSENSOR

[App page](https://appshunter.io/ios/app/easyform-smartsensor/id6473743977)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3Koppla

[App page](https://appshunter.io/ios/app/3koppla/id6747474322)

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


## Frequently asked questions

### Is Easyform smartSENSOR free?

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

### Is 3Koppla free?

3Koppla is free to download, with no in-app purchases.

### Do Easyform smartSENSOR or 3Koppla have ads?

Neither Easyform smartSENSOR nor 3Koppla shows ads.

### Which is updated more often, Easyform smartSENSOR or 3Koppla?

Easyform smartSENSOR ships an update every 6 weeks, and 3Koppla every 2 months. Most recently, Easyform smartSENSOR was updated on September 14, 2026 and 3Koppla on September 9, 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.*