# 以内 vs Scent Tech

The clearest difference is rating: 以内 at 5.0 against Scent Tech's 2.2. 以内 also leads on iOS requirement (13.0 vs 15.0). Scent Tech's advantage is ratings volume (63 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

以内 holds the better App Store score, 5.0 against 2.2. That said, the two scores are not equally well evidenced: Scent Tech has 63 ratings behind it against 1, so its average is the more settled of the two.

以内 ships an update every 4 weeks, Scent Tech every 6 weeks. The most recent releases landed on September 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 以内 | Scent Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1609894848/reviews)** | [2.2 (63 ratings)](https://appshunter.io/ios/app/scent-tech/id1662466433/reviews) |
| Number of ratings | 1 | **63** |
| Positive reviews | — | 13.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | — | Free |
| Size | 126 MB | 47 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Inxni Innovation Technology Co., Ltd.](https://appshunter.io/developer/1609894850) | [俊 谢](https://appshunter.io/developer/1440271932) |

## What reviewers say

### 以内

[App page](https://appshunter.io/ios/app/id1609894848)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scent Tech

[App page](https://appshunter.io/ios/app/scent-tech/id1662466433)

Control your scent machine remotely with this app. It offers automatic mode selection for various scenarios and allows for batch management of devices through customizable groups.

**Highlights:** Scent machine control, Automatic mode selection, Device grouping, Batch management, Customizable group names

**In-app purchases:** none


## Frequently asked questions

### Is 以内 free?

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

### Is Scent Tech free?

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

### Which has better reviews, 以内 or Scent Tech?

以内 is rated higher. 以内 averages 5.0 out of 5 from 1 ratings, while Scent Tech averages 2.2 from 63 ratings.

### Do 以内 or Scent Tech have ads?

Neither 以内 nor Scent Tech shows ads.

### Which is updated more often, 以内 or Scent Tech?

以内 ships an update every 4 weeks, and Scent Tech every 6 weeks. Most recently, 以内 was updated on September 30, 2026 and Scent Tech on October 14, 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.*