# STP One vs CADVault

The clearest difference is in-app purchases: CADVault at none against STP One's 2. STP One's advantage is iOS requirement (16.4 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. STP One sells 2 in-app purchases, starting at $9.99 per month. CADVault asks for nothing beyond the download.

## The numbers

| Metric | STP One | CADVault |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 13 MB | 3 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [JAEYUN HWANG](https://appshunter.io/developer/6799562363) | [Thomas Hoche](https://appshunter.io/developer/6773289002) |

## What reviewers say

### STP One

[App page](https://appshunter.io/ios/app/stp-one-step-cad-viewer/id6802912144)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 스텝원 Pro 월간 | $9.99 | per month |
| 스텝원 Pro 연간 | $69.99 | per year |


### CADVault

[App page](https://appshunter.io/ios/app/cadvault/id6818532832)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is STP One free?

STP One is free to download, with in-app purchases available.

### Is CADVault free?

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

### Do STP One or CADVault have ads?

Neither STP One nor CADVault shows ads.

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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.*