# Knock Knock Pros vs CS CRM+

The clearest difference is iOS requirement: CS CRM+ at 13.0 against Knock Knock Pros's 15.1. 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.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 22, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Knock Knock Pros | CS CRM+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/knock-knock-pros/id6465991587/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 38 MB | 48 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tim Sparks](https://appshunter.io/developer/1706824466) | [Corporate Stack Solutions FZ LLC](https://appshunter.io/developer/1503880774) |

## What reviewers say

### Knock Knock Pros

[App page](https://appshunter.io/ios/app/knock-knock-pros/id6465991587)

Connect with skilled professionals for various home services, from plumbing and electrical work to cleaning and repairs. Easily book, track, and pay for services with a user-friendly interface and vetted providers.

**Highlights:** Wide range of services (196+ categories), GPS tracking for professionals, Easy and intuitive booking process, Vetted and trusted service providers, Flexible scheduling options, Secure in-app payments

**Features:** macOS Compatibility

**In-app purchases:** none


### CS CRM+

[App page](https://appshunter.io/ios/app/cs-crm-plus/id6503212701)

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

**In-app purchases:** none


## Frequently asked questions

### Is Knock Knock Pros free?

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

### Is CS CRM+ free?

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

### Do Knock Knock Pros or CS CRM+ have ads?

Neither Knock Knock Pros nor CS CRM+ shows ads.

### Which is updated more often, Knock Knock Pros or CS CRM+?

Knock Knock Pros ships an update weekly, and CS CRM+ weekly. Most recently, Knock Knock Pros was updated on October 22, 2026 and CS CRM+ on October 13, 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.*