# EMF vs Wille App

The clearest difference is update cadence: Wille App at monthly against EMF's every 3 months. EMF's advantage is iOS requirement (13.0 vs 15.1). 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.

EMF ships an update every 3 months, Wille App monthly. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | EMF | Wille App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 8 MB | 51 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Digpro Smart Energy AB](https://appshunter.io/developer/489503228) | [Wihuri Oy](https://appshunter.io/developer/1147964704) |

## What reviewers say

### EMF

[App page](https://appshunter.io/ios/app/emf/id1316063506)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wille App

[App page](https://appshunter.io/ios/app/wille-app/id1585807799)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EMF free?

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

### Is Wille App free?

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

### Do EMF or Wille App have ads?

Neither EMF nor Wille App shows ads.

### Which is updated more often, EMF or Wille App?

EMF ships an update every 3 months, and Wille App monthly. Most recently, EMF was updated on September 9, 2026 and Wille App on September 22, 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.*