# S I E vs sienne

S I E and sienne 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.

S I E ships an update every 4 months, sienne every 6 months. The most recent releases landed on October 5, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | S I E | sienne |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | — |
| Size | 58 MB | 71 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Seasonless.Co.,Ltd.](https://appshunter.io/developer/1472966253) | [(주)시엔느](https://appshunter.io/developer/1681238902) |

## What reviewers say

### S I E

[App page](https://appshunter.io/ios/app/s-i-e/id1472966254)

This shopping app allows you to enjoy shopping anytime, anywhere from your smartphone. Access all the information from the website directly within the app. You can opt-in for notifications, upload files for posts and reviews, and record audio for video.

**Highlights:** Shop anytime, anywhere, Access website information, Receive service notifications, Upload files for posts/reviews, Record audio for video

**Features:** macOS Compatibility

**In-app purchases:** none


### sienne

[App page](https://appshunter.io/ios/app/sienne/id6447422202)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is S I E free?

S I E is free to download, with no in-app purchases.

### Is sienne free?

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

### Do S I E or sienne have ads?

Neither S I E nor sienne shows ads.

### Which is updated more often, S I E or sienne?

S I E ships an update every 4 months, and sienne every 6 months. Most recently, S I E was updated on October 5, 2026 and sienne on September 23, 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.*