# Dimens vs OnsiteBIM

The clearest difference is ads: OnsiteBIM at none against Dimens's shown. Dimens's advantage is update cadence (every 3 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Dimens ships an update every 3 days, OnsiteBIM weekly. The most recent releases landed on September 25, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Dimens | OnsiteBIM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Weekly |
| Size | 41 MB | 22 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Khora Design](https://appshunter.io/developer/1856985795) | [Mihir Patel](https://appshunter.io/developer/6795016682) |

## What reviewers say

### Dimens

[App page](https://appshunter.io/ios/app/dimens/id6755889779)

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

**In-app purchases:** none


### OnsiteBIM

[App page](https://appshunter.io/ios/app/onsitebim/id6795016680)

**In-app purchases:** none


## Frequently asked questions

### Is Dimens free?

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

### Is OnsiteBIM free?

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

### Do Dimens or OnsiteBIM have ads?

Dimens shows ads; OnsiteBIM does not.

### Which is updated more often, Dimens or OnsiteBIM?

Dimens ships an update every 3 days, and OnsiteBIM weekly. Most recently, Dimens was updated on September 25, 2026 and OnsiteBIM on October 2, 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.*