# Notbox vs Stamp Maker

The clearest difference is in-app purchases: Notbox at none against Stamp Maker's 4. Notbox also leads on ads (none vs shown) and iOS requirement (9.0 vs 16). Stamp Maker's advantage is update cadence (every 5 days vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Stamp Maker sells 4 in-app purchases, starting at $4.99 per month. Notbox asks for nothing beyond the download.

Notbox ships an update every 4 months, Stamp Maker every 5 days. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Notbox | Stamp Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stamp-maker-pdf-signer/id6761462692/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | — | Ad-supported |
| Size | 69 MB | 61 MB |
| Requires iOS | **9.0** | 16 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Notartel S.p.A.](https://appshunter.io/developer/1051642634) | [Hashim Sultan Abbasi](https://appshunter.io/developer/1848195327) |

## What reviewers say

### Notbox

[App page](https://appshunter.io/ios/app/notbox/id1294582632)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stamp Maker

[App page](https://appshunter.io/ios/app/stamp-maker-pdf-signer/id6761462692)

Design custom stamps, watermark photos and documents, and sign PDFs with this all-in-one productivity tool. Create professional-looking stamps from scratch or templates, and apply them to images and multi-page documents with precision controls. Works offline and requires no account.

**Highlights:** Custom stamp designer, Curved text and typography, Photo and PDF watermarking, PDF signing and annotation, QR code and barcode generation, Offline functionality, High-quality export

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| 6-Months | $24.99 | per 6 months |
| Yearly | $44.99 | per year |
| Lifetime Pro | $89.99 | one-time |


## Frequently asked questions

### Is Notbox free?

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

### Is Stamp Maker free?

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

### Do Notbox or Stamp Maker have ads?

Stamp Maker shows ads; Notbox does not.

### Which is updated more often, Notbox or Stamp Maker?

Notbox ships an update every 4 months, and Stamp Maker every 5 days. Most recently, Notbox was updated on October 26, 2026 and Stamp Maker on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*