# Signature Maker vs 盖章

The clearest difference is iOS requirement: 盖章 at 15.0 against Signature Maker's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Signature Maker sells 2 in-app purchases, starting at $6.99 per 7 days and 盖章 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Signature Maker ships an update every 11 days, 盖章 weekly. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Signature Maker | 盖章 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 7 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Alina Bohuslavska](https://appshunter.io/developer/1636152624) | [Hangzhou Niufen Network Technology Co., Ltd.](https://appshunter.io/developer/1896746554) |

## What reviewers say

### Signature Maker

[App page](https://appshunter.io/ios/app/signature-maker-esign-creator/id6749479239)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access for a Week | $6.99 | per 7 days |
| Unlimited access for a Year | $34.99 | per year |


### 盖章

[App page](https://appshunter.io/ios/app/e-stamp/id6775122604)

Easily add stamps and handwritten electronic signatures to PDF documents. Process contracts and agreements efficiently without printing or scanning, keeping your data secure locally on your device.

**Highlights:** Smart PDF stamping, Across-page seal generation, Handwritten electronic signatures, Batch stamping and signing, Local data processing, Seamless document import/export

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| E‑Stamp Service | $2.99 | per month |
| 无纸盖章永久版 | $9.99 | one-time |


## Frequently asked questions

### Is Signature Maker free?

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

### Is 盖章 free?

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

### Do Signature Maker or 盖章 have ads?

Neither Signature Maker nor 盖章 shows ads.

### Which is updated more often, Signature Maker or 盖章?

Signature Maker ships an update every 11 days, and 盖章 weekly. Most recently, Signature Maker was updated on October 17, 2026 and 盖章 on October 13, 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.*