# M+ vs Stamp Maker

The clearest difference is in-app purchases: M+ at none against Stamp Maker's 4. M+ 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 monthly). 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. M+ asks for nothing beyond the download.

M+ ships an update monthly, Stamp Maker every 5 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | M+ | 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 | Monthly | **Every 5 days** |
| Monetization | — | Ad-supported |
| Size | 27 MB | 61 MB |
| Requires iOS | **9.0** | 16 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Scrumble](https://appshunter.io/developer/1473580004) | [Hashim Sultan Abbasi](https://appshunter.io/developer/1848195327) |

## What reviewers say

### M+

[App page](https://appshunter.io/ios/app/m-plus/id1499321967)

**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 M+ free?

M+ 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 M+ or Stamp Maker have ads?

Stamp Maker shows ads; M+ does not.

### Which is updated more often, M+ or Stamp Maker?

M+ ships an update monthly, and Stamp Maker every 5 days. Most recently, M+ was updated on October 27, 2026 and Stamp Maker on October 30, 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.*