# StampDoc vs Stamp Studio

StampDoc and Stamp Studio are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

StampDoc ships an update every 2 months, Stamp Studio monthly. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | StampDoc | Stamp Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stampdoc/id6753040013/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 67 MB | 4 MB |
| Requires iOS | **15** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anyelo Moreno](https://appshunter.io/developer/1842233376) | [Beijing Yangming Jiuha Technology Co., Ltd](https://appshunter.io/developer/1600924656) |

## What reviewers say

### StampDoc

[App page](https://appshunter.io/ios/app/stampdoc/id6753040013)

Easily sign PDFs and images, create custom digital stamps, and manage your documents securely from your iPhone or iPad. Streamline your workflow by going fully digital, eliminating the need for printing and scanning.

**Highlights:** Sign PDFs and images, Create custom digital stamps, Signature editor and scanner, Import and reuse stamps, Built-in PDF and image viewer, Save and share signed files

**Features:** macOS Compatibility

**In-app purchases:** none


### Stamp Studio

[App page](https://appshunter.io/ios/app/stamp-studio/id6790093959)

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

**In-app purchases:** none


## Frequently asked questions

### Is StampDoc free?

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

### Is Stamp Studio free?

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

### Do StampDoc or Stamp Studio have ads?

Neither StampDoc nor Stamp Studio shows ads.

### Which is updated more often, StampDoc or Stamp Studio?

StampDoc ships an update every 2 months, and Stamp Studio monthly. Most recently, StampDoc was updated on October 4, 2026 and Stamp Studio on October 12, 2026.

---

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