# Wilo vs IWT CRM

The clearest difference is update cadence: Wilo at every 3 weeks against IWT CRM's every 20 months. IWT CRM's advantage is iOS requirement (15.0 vs 18.6). 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.

Wilo ships an update every 3 weeks, IWT CRM every 20 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Wilo | IWT CRM |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 20 months |
| Monetization | Free | — |
| Size | 181 MB | 29 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WILO SE](https://appshunter.io/developer/756670903) | [IWTM AS](https://appshunter.io/developer/1687984169) |

## What reviewers say

### Wilo

[App page](https://appshunter.io/ios/app/wilo-assistant/id397747214)

This app provides comprehensive support for planning, consulting, and installing pump technology. It offers tools for selecting replacement pumps, calculating energy savings, and diagnosing faults, even offline. Access detailed product information and control smart pumps.

**Highlights:** Smart pump control and settings, Interactive replacement pump recommendations, Energy savings and CO2 emission calculator, Pump dimensioning and selection, Fault signal diagnosis and remedies, Unit conversion tool, AR product scanner

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

**In-app purchases:** none


### IWT CRM

[App page](https://appshunter.io/ios/app/iwt-crm/id6449191910)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wilo free?

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

### Is IWT CRM free?

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

### Do Wilo or IWT CRM have ads?

Neither Wilo nor IWT CRM shows ads.

### Which is updated more often, Wilo or IWT CRM?

Wilo ships an update every 3 weeks, and IWT CRM every 20 months. Most recently, Wilo was updated on October 22, 2026 and IWT CRM on October 24, 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.*