# Nelis CRM vs Koos

The clearest difference is update cadence: Koos at every 4 weeks against Nelis CRM's every 3 months. 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.

Nelis CRM ships an update every 3 months, Koos every 4 weeks. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Nelis CRM | Koos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Size | 7 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nelis](https://appshunter.io/developer/909376940) | [Provaleo SAS](https://appshunter.io/developer/1849118726) |

## What reviewers say

### Nelis CRM

[App page](https://appshunter.io/ios/app/nelis-crm/id1156052383)

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

**In-app purchases:** none


### Koos

[App page](https://appshunter.io/ios/app/koos/id6754595283)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nelis CRM free?

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

### Is Koos free?

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

### Do Nelis CRM or Koos have ads?

Neither Nelis CRM nor Koos shows ads.

### Which is updated more often, Nelis CRM or Koos?

Nelis CRM ships an update every 3 months, and Koos every 4 weeks. Most recently, Nelis CRM was updated on November 2, 2026 and Koos on October 28, 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.*