# NoteStamp vs DepthViz

The clearest difference is update cadence: DepthViz at every 4 days against NoteStamp's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NoteStamp sells 3 in-app purchases, starting at $1.99 per month and DepthViz sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

NoteStamp ships an update every 4 months, DepthViz every 4 days. The most recent releases landed on May 14, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | NoteStamp | DepthViz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/depthviz-3d-scanner/id6754522044/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 29 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Martyn Pekala](https://appshunter.io/developer/1223413943) | [Minsuk Jang](https://appshunter.io/developer/1848634290) |

## What reviewers say

### NoteStamp

[App page](https://appshunter.io/ios/app/notestamp/id6727016755)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoteStamp Premium | $1.99 | per month |
| NoteStamp Premium | $14.99 | per year |
| NoteStamp Premium | $19.99 | per year |


### DepthViz

[App page](https://appshunter.io/ios/app/depthviz-3d-scanner/id6754522044)

Capture detailed 3D data in real-time with this iPhone scanner. Visualize scans instantly with a preview feature and manage your projects efficiently. Share your captures and collaborate with others seamlessly.

**Highlights:** Real-time 3D scanning, Instant preview rendering, File and project management, Data sharing functionality, Add markers for digital twins

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DepthViz Dev | $4.99 | one-time |


## Frequently asked questions

### Is NoteStamp free?

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

### Is DepthViz free?

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

### Do NoteStamp or DepthViz have ads?

Neither NoteStamp nor DepthViz shows ads.

### Which is updated more often, NoteStamp or DepthViz?

NoteStamp ships an update every 4 months, and DepthViz every 4 days. Most recently, NoteStamp was updated on May 14, 2026 and DepthViz on June 1, 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.*