# Dimensions AR vs Somerville PD

The clearest difference is ads: Somerville PD at none against Dimensions AR's shown. Dimensions AR's advantage is update cadence (every 24 months vs every 66 months). 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.

Dimensions AR ships an update every 24 months, Somerville PD every 66 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Dimensions AR | Somerville PD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/dimensions-ar/id1375723029/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 24 months** | Every 66 months |
| Monetization | Ad-supported | — |
| Size | 6 MB | 39 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Noriaki Murao](https://appshunter.io/developer/1289002723) | [City of Somerville](https://appshunter.io/developer/1464972606) |

## What reviewers say

### Dimensions AR

[App page](https://appshunter.io/ios/app/dimensions-ar/id1375723029)

Visualize product dimensions in your real-world space using augmented reality. Avoid online shopping mistakes by accurately checking if items fit before purchasing. Simply input dimensions and place a virtual 3D model.

**Highlights:** Augmented Reality visualization, Virtual 3D object placement, Accurate size checking, Pre-purchase product assessment, Intuitive user interface

**In-app purchases:** none


### Somerville PD

[App page](https://appshunter.io/ios/app/somerville-pd/id1560219481)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dimensions AR free?

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

### Is Somerville PD free?

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

### Do Dimensions AR or Somerville PD have ads?

Dimensions AR shows ads; Somerville PD does not.

### Which is updated more often, Dimensions AR or Somerville PD?

Dimensions AR ships an update every 24 months, and Somerville PD every 66 months. Most recently, Dimensions AR was updated on October 24, 2026 and Somerville PD on October 25, 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.*