# DingDong vs Scent Tech

The clearest difference is ratings volume: Scent Tech at 63 against DingDong's 1. Scent Tech also leads on rating (2.2 vs 2.0). DingDong's advantage is iOS requirement (8.0 vs 15.0). 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.

Scent Tech holds the better App Store score, 2.2 against 2.0. 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.

DingDong ships an update monthly, Scent Tech every 6 weeks. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DingDong | Scent Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/dingdong/id1225148018/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 | **Monthly** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 45 MB | 47 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GD Digital Limited](https://appshunter.io/developer/911685497) | [俊 谢](https://appshunter.io/developer/1440271932) |

## What reviewers say

### DingDong

[App page](https://appshunter.io/ios/app/dingdong/id1225148018)

This smart doorbell app allows you to see and speak with visitors remotely. Receive instant notifications when someone rings the bell, enabling real-time video and voice communication from anywhere.

**Highlights:** Remote visitor monitoring, Real-time video and voice calls, Push notifications for visitors, Smart doorbell integration

**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 DingDong free?

DingDong 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, DingDong or Scent Tech?

Scent Tech is rated higher. DingDong averages 2.0 out of 5 from 1 ratings, while Scent Tech averages 2.2 from 63 ratings.

### Do DingDong or Scent Tech have ads?

Neither DingDong nor Scent Tech shows ads.

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

DingDong ships an update monthly, and Scent Tech every 6 weeks. Most recently, DingDong was updated on October 6, 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.*