# Stamp STL Maker vs Smart Seal

The clearest difference is in-app purchases: Smart Seal at none against Stamp STL Maker's 5. Smart Seal also leads on ads (none vs shown) and iOS requirement (14.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Stamp STL Maker sells 5 in-app purchases, starting at $2.99 per month. Smart Seal asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Stamp STL Maker | Smart Seal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/stamp-stl-maker/id1480171975/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 60 MB | 47 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [CloudSpirit Limited](https://appshunter.io/developer/816154234) | [Soveaddh Pech](https://appshunter.io/developer/1531939313) |

## What reviewers say

### Stamp STL Maker

[App page](https://appshunter.io/ios/app/stamp-stl-maker/id1480171975)

Design custom 3D printable stamps from logos, images, or text. Generate high-quality STL files for your 3D printer with features like curved text and 3D preview.

**Highlights:** Create stamps from logos, images, or text, Generate STL files for 3D printing, Multiple base shapes, Curved text alignment, Adjustable stamp depth, Intuitive 3D preview

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stamp Maker Pro Monthly | $2.99 | per month |
| Stamp Maker Pro Yearly | $14.99 | per year |
| Font Pack Classic | $1.99 | one-time |
| Font Pack Signature | $1.99 | one-time |
| Stamp Maker Pro Lifetime | $19.99 | one-time |


### Smart Seal

[App page](https://appshunter.io/ios/app/smart-seal/id6478695084)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stamp STL Maker free?

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

### Is Smart Seal free?

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

### Do Stamp STL Maker or Smart Seal have ads?

Stamp STL Maker shows ads; Smart Seal does not.

### Which is updated more often, Stamp STL Maker or Smart Seal?

Stamp STL Maker ships an update every 2 months, and Smart Seal every 2 months. Most recently, Stamp STL Maker was updated on October 11, 2026 and Smart Seal on October 14, 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.*