Thần Đèn vs NDA Key
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Thần Đèn
This virtual assistant app offers a range of useful features, including weather forecasts, lottery results, cryptocurrency prices, and simple calculations. It aims to provide quick access to information and perform basic tasks.
- Weather forecasts
- Lottery results
- Cryptocurrency prices (Bitcoin, Ethereum)
- Simple calculations
- Virtual assistant
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Là sản phẩm trợ lý ảo với nhiều tính năng thú vị. Những điều bạn có thể làm với Thần Đèn: - Tra thời tiết - Tra kết quả xổ số - Giá bitcoin, etherum - Làm phép tính đơn giản -.....
NDA Key
Manage your personal information securely and easily. Control how your data is shared and maintain your digital identity with a decentralized identifier wallet. Ensures data integrity and compliance with government regulations.
- Personal information management
- Sharing control
- Decentralized Identifier (DID) wallet
- Digital identity creation and management
- Data integrity and interoperability
- Government compliance
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NDA KEY - A simple, secure, and user-friendly personal information management application. Easily input and update your personal information with just a few taps. With its sharing management feature, you have full control over how your information is shared, allowing you to add, edit, or stop sharing in a flexible and convenient manner. The application also integrates a Decentralized Identifier (DID) wallet feature, enabling you to create, manage, and securely share your digital identity while ensuring data integrity and interoperability with decentralized systems. NDA is committed to protecting your data with cutting-edge security technologies while fully complying with the requirements of Decree 13 by the Government of Vietnam. Download NDA KEY now to experience the convenience and security of managing your personal information!
Screenshots
Verdict
The clearest difference is review sentiment: NDA Key at 100% against Thần Đèn's 50%. NDA Key also leads on update cadence (every 3 weeks vs every 2 months). Thần Đèn's advantage is iOS requirement (9.2 vs 13.0). On price, ads, in-app purchases and monetization model 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.
Thần Đèn ships an update every 2 months, NDA Key every 3 weeks. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.
| Parameter | Thần Đèn | NDA Key |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.2 — better | 13.0 |
| Further details — not scored | ||
| Size | 35 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Viettel Telecom | PILA GROUP JOINT STOCK COMPANY |
Customer experience
Thần Đèn
NDA Key
In-app purchases
Thần Đèn
No in-app purchases
NDA Key
No in-app purchases
