# 专利业务办理 vs Estrella

The clearest difference is iOS requirement: 专利业务办理 at 11.0 against Estrella's 14.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | 专利业务办理 | Estrella |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/id1616453855/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Size | 24 MB | 215 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Intellectual Property Publishing House](https://appshunter.io/developer/693990967) | [Top Dream Import and Export Co., Ltd.](https://appshunter.io/developer/6803833211) |

## What reviewers say

### 专利业务办理

[App page](https://appshunter.io/ios/app/id1616453855)

**Features:** macOS Compatibility

**In-app purchases:** none


### Estrella

[App page](https://appshunter.io/ios/app/estrella/id6803833209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 专利业务办理 free?

专利业务办理 is free to download, with no in-app purchases.

### Is Estrella free?

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

### Do 专利业务办理 or Estrella have ads?

Neither 专利业务办理 nor Estrella 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.*