DingDong vs Scent Tech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DingDong
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.
- Remote visitor monitoring
- Real-time video and voice calls
- Push notifications for visitors
- Smart doorbell integration
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DingDong是一款智能门铃，，语音对讲。无论在家还是出差可以随时知道来访者。当有人按下门铃时，APP会接收到消息推送，提示用户有人来访，实时视频语音对讲。
Scent Tech
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.
- Scent machine control
- Automatic mode selection
- Device grouping
- Batch management
- Customizable group names
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The Scent Tech APP is a scent machine control application, compatible with various connectivity modes，suitable for a variety of scent machine. Compatible with various types of scent machine, automatic selection of the corresponding setting mode, suitable for a variety of scenarios. With the device group function, users can customize group names. Devices can be moved to corresponding groups for batch management. You can set related data for the same group of devices in batches.
Screenshots
Verdict
The clearest difference is ratings volume: Scent Tech at 83 against DingDong's 1. DingDong's advantage is iOS requirement (8.0 vs 15.0). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 2.0 for DingDong against 2.0 for Scent Tech. That said, the two scores are not equally well evidenced: Scent Tech has 83 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 November 2, 2026 and November 7, 2026 respectively.
| Parameter | DingDong | Scent Tech |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 2.0 (83 ratings) |
| Positive reviews | — | 13.6% of reviews |
| Number of ratings | 1 | 83 — better |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 45 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | GD Digital Limited | 俊 谢 |
Customer experience
DingDong
Scent Tech
In-app purchases
DingDong
No in-app purchases
Scent Tech
No in-app purchases
