DEVIA Audio vs Lock System
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DEVIA Audio
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【Smart Earbuds Companion - Redefining Your Listening Experience】 Effortlessly control your smart earbuds, ensuring every listening moment is just right. === Core Features === ▸ One-Stop Device Management Automatically detects and connects to your smart earbuds, displaying real-time battery levels for both earbuds and the charging case. Low-battery alerts prevent unexpected power-offs. ▸ Personalized Sound Tuning Built-in equalizer and multiple preset sound profiles for precise tuning based on your listening preferences and music genres. ▸ Convenient Function Settings Customize earbud touch gestures (track skipping, answering calls, activating voice assistants, etc.) and configure double-tap/long-press actions to tailor interactions to your habits. ▸ Find My Earbuds If your earbuds go missing, use the “Find My Earbuds” feature to locate their last connected position and trigger an audible alert (within Bluetooth range) for easy retrieval. === About Us === We're dedicated to enhancing your listening experience through technological innovation. For any questions or suggestions, feel free to reach out via the app's “Settings > Feedback” section. Let sound understand you better.
Lock System
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The system primarily manages access permissions to equipment through locking mechanisms, enabling flexible authorization of locks for various business scenarios. It is applicable in industries such as substation, power distribution, and telecommunications. Key functions include: 1. Lock Control Management: Apply for and approve different types of tasks, and perform locking/unlocking operations on equipment. 2. Statistical Analysis: Record locking and unlocking activities. 3. Data Maintenance: Update data and retrieve operation logs. 4. System Settings: Configure system addresses and ports.
Screenshots
Verdict
The clearest difference is iOS requirement: Lock System at 10.0 against DEVIA Audio's 12.0. On price, ads, in-app purchases and device support 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.
| Parameter | DEVIA Audio | Lock System |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 108 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Dongguan Siteng Zhiyuan Technology Co.,Ltd. | tieta |
In-app purchases
DEVIA Audio
No in-app purchases
Lock System
No in-app purchases









