# BIM Connection vs ddoc_chantier

The clearest difference is update cadence: ddoc_chantier at fortnightly against BIM Connection's every 2 months. BIM Connection's advantage is iOS requirement (11.0 vs 15.1). 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.

BIM Connection ships an update every 2 months, ddoc_chantier fortnightly. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | BIM Connection | ddoc_chantier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 160 MB | 29 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Areas Consulting](https://appshunter.io/developer/1473196863) | [DYNEDOC](https://appshunter.io/developer/1436180802) |

## What reviewers say

### BIM Connection

[App page](https://appshunter.io/ios/app/bim-connection/id1473196864)

**In-app purchases:** none


### ddoc_chantier

[App page](https://appshunter.io/ios/app/ddoc-chantier/id6465208024)

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

**In-app purchases:** none


## Frequently asked questions

### Is BIM Connection free?

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

### Is ddoc_chantier free?

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

### Do BIM Connection or ddoc_chantier have ads?

Neither BIM Connection nor ddoc_chantier shows ads.

### Which is updated more often, BIM Connection or ddoc_chantier?

BIM Connection ships an update every 2 months, and ddoc_chantier fortnightly. Most recently, BIM Connection was updated on September 17, 2026 and ddoc_chantier on September 9, 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.*