# I4 Client vs KING CRM

The clearest difference is update cadence: KING CRM at every 2 months against I4 Client's every 7 months. KING CRM also leads on iOS requirement (11.0 vs 15.6). 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.

I4 Client ships an update every 7 months, KING CRM every 2 months. The most recent releases landed on October 11, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | I4 Client | KING CRM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Size | 5 MB | 65 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sumatra Software b.v.](https://appshunter.io/developer/702923467) | [Bjorn Lunden AB](https://appshunter.io/developer/1151091633) |

## What reviewers say

### I4 Client

[App page](https://appshunter.io/ios/app/i4-client/id702923464)

**Features:** macOS Compatibility

**In-app purchases:** none


### KING CRM

[App page](https://appshunter.io/ios/app/king-crm/id1400707226)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is I4 Client free?

I4 Client is free to download, with no in-app purchases.

### Is KING CRM free?

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

### Do I4 Client or KING CRM have ads?

Neither I4 Client nor KING CRM shows ads.

### Which is updated more often, I4 Client or KING CRM?

I4 Client ships an update every 7 months, and KING CRM every 2 months. Most recently, I4 Client was updated on October 11, 2026 and KING CRM on October 26, 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.*