DDLock vs Earjoy Intelligence
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DDLock
Unlock your doors using your smartphone, eliminating the need for physical keys. This app offers a more convenient and modern way to manage access to your locks.
- Unlock with smartphone
- Eliminates physical keys
- Convenient lock access
- Modern security solution
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Using the mobile phone to unlock the lock reduces the inconvenience of the user passing the entity key, and makes the lock more and more convenient to use
Earjoy Intelligence
Locate misplaced headphones, monitor their battery levels, and manage noise reduction. Customize headphone functions, adjust audio with an equalizer, and enjoy sleep aid music. Personalize the app's appearance with theme switching.
- Find headphones
- Battery display
- Noise reduction
- Quick settings
- Equalizer
- Sleep aid music
- Theme switching
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-Find your headphones: Never worry about losing your headphones again. -Battery display: View remaining power in real time. -Noise reduction switch: no longer suffer from noise interference. -Quick settings: adjust the headphone function by yourself. -Equalizer: Make yourself a mixer. -Sleep aid music: With so many sleep aid music, you no longer have to worry about insomnia! -Theme switching: adjust your favorite skin with one click.
Screenshots
Verdict
The clearest difference is update cadence: Earjoy Intelligence at fortnightly against DDLock's every 4 months. Earjoy Intelligence also leads on ratings volume (508 vs 105). DDLock's advantage is rating (2.8 vs 2.6) and iOS requirement (13.0 vs 15.6). On price, review sentiment, 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.
DDLock holds the better App Store score, 2.8 against 2.6. Both are backed by a comparable volume of ratings — 105 and 508 respectively. Written reviews point the same way: 20% of DDLock's written reviews are positive against 13% of Earjoy Intelligence's.
DDLock ships an update every 4 months, Earjoy Intelligence fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | DDLock | Earjoy Intelligence |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (105 ratings) — better | 2.6 (508 ratings) |
| Positive reviews | 20.0% of reviews — better | 13.4% of reviews |
| Number of ratings | 105 | 508 — better |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 407 MB | 150 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Kaadas Intelligent Technology Co.,Ltd | 深圳沃奇互娱科技有限公司 |
Customer experience
DDLock
Earjoy Intelligence
Bugs and requests
DDLock
Not enough reviews yet to summarise bugs or requests.
Earjoy Intelligence
Reported bugs
4 issues- Earbuds not connecting to app
- Translation feature not working as advertised
- Account creation/login issues
- Compatibility problems with certain devices
Requested features
4 requests- Improve translation accuracy and latency
- Add more language support
- Improve Bluetooth connectivity and pairing
- Streamline account creation and setup process
In-app purchases
DDLock
No in-app purchases
Earjoy Intelligence
No in-app purchases









