# ClientWindow vs ENGIE B2B GLOBAL MERGER

The clearest difference is update cadence: ClientWindow at fortnightly against ENGIE B2B GLOBAL MERGER's every 12 months. ENGIE B2B GLOBAL MERGER's advantage is iOS requirement (12.0 vs 15.0). 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.

ClientWindow ships an update fortnightly, ENGIE B2B GLOBAL MERGER every 12 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ClientWindow | ENGIE B2B GLOBAL MERGER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/clientwindow/id6446678741/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 12 months |
| Monetization | Free | — |
| Size | 15 MB | 83 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Orange Shark Limited](https://appshunter.io/developer/1579332237) | [vFairs LLC](https://appshunter.io/developer/1349888986) |

## What reviewers say

### ClientWindow

[App page](https://appshunter.io/ios/app/clientwindow/id6446678741)

Streamline customer communication by integrating WhatsApp and other chat messages with the searchability and security of email. Offers professional messaging, in-app chat, and document sharing for enhanced business interactions.

**Highlights:** WhatsApp messaging integration, In-app chat features, Document sharing, Searchable communication history, Enhanced security

**Features:** Vision Pro support

**In-app purchases:** none


### ENGIE B2B GLOBAL MERGER

[App page](https://appshunter.io/ios/app/engie-b2b-global-merger/id6736531202)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ClientWindow free?

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

### Is ENGIE B2B GLOBAL MERGER free?

ENGIE B2B GLOBAL MERGER is free to download, with no in-app purchases.

### Do ClientWindow or ENGIE B2B GLOBAL MERGER have ads?

Neither ClientWindow nor ENGIE B2B GLOBAL MERGER shows ads.

### Which is updated more often, ClientWindow or ENGIE B2B GLOBAL MERGER?

ClientWindow ships an update fortnightly, and ENGIE B2B GLOBAL MERGER every 12 months. Most recently, ClientWindow was updated on November 3, 2026 and ENGIE B2B GLOBAL MERGER on October 27, 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.*