# eModul vs WhoDoesWhat

The clearest difference is in-app purchases: eModul at none against WhoDoesWhat's 3. eModul also leads on device support (3 vs 1) and iOS requirement (9.0 vs 16.0). WhoDoesWhat's advantage is update cadence (weekly vs every 3 months). On price and ads there is nothing between them.

Both are free to download. WhoDoesWhat sells 3 in-app purchases, starting at $3.99 per month. eModul asks for nothing beyond the download.

eModul ships an update every 3 months, WhoDoesWhat weekly. The most recent releases landed on October 15, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | eModul | WhoDoesWhat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/emodul/id1155426727/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 10.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 8 MB | 38 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TECH Sterowniki](https://appshunter.io/developer/1155426726) | [Piotr Gadacz](https://appshunter.io/developer/6797472600) |

## What reviewers say

### eModul

[App page](https://appshunter.io/ios/app/emodul/id1155426727)

Control your home heating systems remotely using your iOS device. This application provides direct access to heating systems manufactured by TECH Sterowniki.

**Highlights:** Remote heating system control, iOS device compatibility, Direct access to TECH Sterowniki systems

**Features:** macOS Compatibility

**In-app purchases:** none


### WhoDoesWhat

[App page](https://appshunter.io/ios/app/whodoeswhat-chore-planner/id6810278970)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $3.99 | per month |
| Yearly Pro | $24.99 | per year |
| Lifetime Pro | $99.99 | one-time |


## Frequently asked questions

### Is eModul free?

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

### Is WhoDoesWhat free?

WhoDoesWhat is free to download, with in-app purchases available.

### Do eModul or WhoDoesWhat have ads?

Neither eModul nor WhoDoesWhat shows ads.

### Which is updated more often, eModul or WhoDoesWhat?

eModul ships an update every 3 months, and WhoDoesWhat weekly. Most recently, eModul was updated on October 15, 2026 and WhoDoesWhat on October 29, 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.*