# 优帘易售 vs 诺贝尔SMI

The clearest difference is update cadence: 诺贝尔SMI at every 5 days against 优帘易售's every 5 weeks. 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.

优帘易售 ships an update every 5 weeks, 诺贝尔SMI every 5 days. Both last shipped on October 8, 2026.

## The numbers

| Metric | 优帘易售 | 诺贝尔SMI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Size | 16 MB | 116 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Foshan Kadun Technology Co., Ltd.](https://appshunter.io/developer/1475403609) | [Guangzhou Thinking Creative Co., Ltd.](https://appshunter.io/developer/1225439399) |

## What reviewers say

### 优帘易售

[App page](https://appshunter.io/ios/app/id1475403610)

**Features:** macOS Compatibility

**In-app purchases:** none


### 诺贝尔SMI

[App page](https://appshunter.io/ios/app/smi/id1488424921)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 优帘易售 free?

优帘易售 is free to download, with no in-app purchases.

### Is 诺贝尔SMI free?

诺贝尔SMI is free to download, with no in-app purchases.

### Do 优帘易售 or 诺贝尔SMI have ads?

Neither 优帘易售 nor 诺贝尔SMI shows ads.

### Which is updated more often, 优帘易售 or 诺贝尔SMI?

优帘易售 ships an update every 5 weeks, and 诺贝尔SMI every 5 days. Most recently, 优帘易售 was updated on October 8, 2026 and 诺贝尔SMI on October 8, 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.*