# RPS 3D Viewer vs CP Law

The clearest difference is update cadence: RPS 3D Viewer at monthly against CP Law's every 7 months. RPS 3D Viewer also leads on iOS requirement (12.0 vs 14.0). 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.

RPS 3D Viewer ships an update monthly, CP Law every 7 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | RPS 3D Viewer | CP Law |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Size | 98 MB | 130 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rapid Prototyping Systems Limited](https://appshunter.io/developer/384045565) | [Charles Platel and Partners (Solicitors) Limited](https://appshunter.io/developer/1690571732) |

## What reviewers say

### RPS 3D Viewer

[App page](https://appshunter.io/ios/app/rps-3d-viewer/id1497287592)

**Features:** macOS Compatibility

**In-app purchases:** none


### CP Law

[App page](https://appshunter.io/ios/app/cp-law/id1662867387)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RPS 3D Viewer free?

RPS 3D Viewer is free to download, with no in-app purchases.

### Is CP Law free?

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

### Do RPS 3D Viewer or CP Law have ads?

Neither RPS 3D Viewer nor CP Law shows ads.

### Which is updated more often, RPS 3D Viewer or CP Law?

RPS 3D Viewer ships an update monthly, and CP Law every 7 months. Most recently, RPS 3D Viewer was updated on November 3, 2026 and CP Law on November 3, 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.*