# DD Lock vs INKBIRD

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.

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.

## The numbers

| Metric | DD Lock | INKBIRD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (6.8K ratings)](https://appshunter.io/ios/app/inkbird/id1589369968/reviews)** |
| Number of ratings | — | **6.8K** |
| Positive reviews | — | 22.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | — | Free |
| Size | 14 MB | 398 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [SMARTCHIP MICROELECTRONICS CORP.](https://appshunter.io/developer/872823142) | [Shenzhen Inkbird Technology Co. Ltd](https://appshunter.io/developer/1163595178) |

## What reviewers say

### DD Lock

[App page](https://appshunter.io/ios/app/dd-lock/id1459621582)

**Features:** macOS Compatibility

**In-app purchases:** none


### INKBIRD

[App page](https://appshunter.io/ios/app/inkbird/id1589369968)

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.

**Highlights:** Smart home appliance control, Automated temperature and humidity adjustment, Remote food temperature monitoring, Customizable temperature alarms, Family network setup

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to set up and use
- 🔒 Reliable connection
- 👍 Useful features
- 🚀 Accurate temperature monitoring
- 👍 Great customer support

**What reviewers complain about**

- 🐛 Bugs and connectivity issues
- 👎 Unintuitive app interface
- 🔋 Battery life concerns
- 👎 Difficult to configure
- 🔒 Privacy concerns with mandatory account

**Reported bugs**

- 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**

- Add dark mode option
- Improve temperature graph functionality
- Allow custom alarm sounds
- Implement low temperature alerts
- Add support for more devices


## Frequently asked questions

### Is DD Lock free?

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

### Is INKBIRD free?

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

### Do DD Lock or INKBIRD have ads?

Neither DD Lock nor INKBIRD shows ads.

### Which is updated more often, DD Lock or INKBIRD?

DD Lock ships an update fortnightly, and INKBIRD fortnightly. Most recently, DD Lock was updated on September 29, 2026 and INKBIRD on October 17, 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.*