DD Lock vs INKBIRD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DD Lock
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1. 防盜功能特別強 : 因藍芽經特殊編譯，根本不可能被打開。 2. 方便的鑰匙管理 : 可自行分享數多個User Key，並可依照想開啟的馬達來開啟。 硬體功能： 1. 開關鎖成功時，DO、DE聲通知。 2. 藍色LED指示燈。
INKBIRD
Transform your home into a smart environment with intuitive controls for appliances and automated adjustments of temperature and humidity. Remotely monitor food temperatures and set custom alarms for optimal cooking, creating a more connected and enjoyable life.
- Smart home appliance control
- Automated temperature and humidity adjustment
- Remote food temperature monitoring
- Customizable temperature alarms
- Family network setup
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INKBIRD helps you create a smart home, smart life. We make hard things simple by convenient and fast operation, clear and intuitive interface, considerate and practical functions. Here, you can smartly make home appliances intelligent and automated adjustment of temperature and humidity so as create an optimal environment for your family. Here, you can remotely monitor the food temperature and customize temperature alarms to always cook delicious meals for your family. Here, you can set up a family network of things of your own and experience a more wonderful, more enjoyable life.
Screenshots
Verdict
The clearest difference is iOS requirement: DD Lock at 9.0 against INKBIRD's 13.0. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 29, 2026 and October 17, 2026 respectively.
| Parameter | DD Lock | INKBIRD |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.7 (6.8K ratings) — better |
| Positive reviews | — | 22.9% of reviews |
| Number of ratings | — | 6.8K — better |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 14 MB | 398 MB |
| Age rating | 4+ | 4+ |
| Developer | SMARTCHIP MICROELECTRONICS CORP. | Shenzhen Inkbird Technology Co. Ltd |
Bugs and requests
DD Lock
Not enough reviews yet to summarise bugs or requests.
INKBIRD
Reported bugs
5 issues- Custom menu names reset after exiting app
- Widgets not working as expected
- Frequent app crashes and disconnections
- Sensor temperature readings inconsistent
- Unable to remove/delete connected devices
Requested features
5 requests- Add dark mode option
- Improve temperature graph functionality
- Allow custom alarm sounds
- Implement low temperature alerts
- Add support for more devices
In-app purchases
DD Lock
No in-app purchases
INKBIRD
No in-app purchases
