# 一元能源 vs 印章大师

The clearest difference is in-app purchases: 一元能源 at none against 印章大师's 3. 一元能源 also leads on iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 印章大师 sells 3 in-app purchases, starting at $3.99 per 7 days. 一元能源 asks for nothing beyond the download.

## The numbers

| Metric | 一元能源 | 印章大师 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (11 ratings)](https://appshunter.io/ios/app/id6504040083/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 30 MB | 91 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [宁波沙塔信息技术有限公司](https://appshunter.io/developer/1334119866) | [运宏 李](https://appshunter.io/developer/1723113239) |

## What reviewers say

### 一元能源

[App page](https://appshunter.io/ios/app/id6467384444)

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

**In-app purchases:** none


### 印章大师

[App page](https://appshunter.io/ios/app/id6504040083)

Create custom stamps for documents with ease. Design various shapes and colors without needing design skills. Perfect for quick document stamping and professional-looking seals.

**Highlights:** Custom stamp design, Document stamping, Triangle and rhombus stamp shapes, Customizable content, Multiple color options

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $3.99 | per 7 days |
| 印章大师月度会员（含3天试用） | $9.99 | per month |
| 印章大师永久会员 | $24.99 | one-time |


## Frequently asked questions

### Is 一元能源 free?

一元能源 is free to download, with no in-app purchases.

### Is 印章大师 free?

印章大师 is free to download, with in-app purchases available.

### Do 一元能源 or 印章大师 have ads?

Neither 一元能源 nor 印章大师 shows ads.

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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.*