Buy a Lingodeer Plus account from Lucifer Tech and save up to 70%. Our 12-month plan is just 650.000đ (original price 2.100.000đ) and the Lifetime plan is 1.500.000đ. All options are Personal accounts, upgraded directly on your own email. Enjoy instant activation and a lifetime warranty of up to 9999 months.
≈ $2.17/mo
Best for: individuals looking for the best price
Best for: those needing high security, data continuity
Investing in education always yields the highest returns. Buying a Lingodeer Plus personal account gives language learners access to a vast treasure trove of knowledge at an optimal cost. According to Lucifer Tech's statistics for Q1 2026, over 8,500 Vietnamese users upgraded from the free version to a Premium plan to accelerate their learning progress.
Many language learners hesitate due to the high list prices on app stores. The original price of Lingodeer Plus on the App Store or Google Play is currently around 2.100.000đ for a 1-year plan. Buying directly through Lucifer Tech significantly reduces the financial burden. The 12-month plan is only 650.000đ, which is a saving of up to 69% (based on the list price in April 2026).
Breaking down the 650.000đ investment over 365 days, users spend only about 1.780đ/day. This fee is less than a tenth of a cup of street coffee but provides unlimited access to over 41 languages. A 2026 survey of 2,000 Lucifer Tech students showed that Plus users maintain a consistent study habit of 45 minutes/day, 3 times more than free users.
Customers who purchase the Lifetime plan for 1.500.000đ receive a 9999-month warranty commitment from Lucifer Tech. The "Personal account" upgrade method ensures all learning progress, scores, and badges are securely stored on the user's personal email. Unlike "Pre-made accounts" (shared, pre-created accounts) that often have sync errors, a personal account provides absolute peace of mind. The error rate for personal accounts is only 0.01% (according to our internal technical report for Q1 2026).
The 2.99.388 update released in March 2026 brought a series of powerful improvements. The Lingodeer development team listened to community feedback to optimize the user experience.
The feature to download lessons for offline use has been completely revamped. Data download speed is 40% faster than the 2025 version (according to the LingoDeer Dev Log, Jan 2026). Users can easily download entire Korean or Japanese courses with a single tap. Storage is optimally compressed, saving 30% of device memory. Customers who frequently travel by plane or work in areas with poor signal rated this feature 9.8/10 for satisfaction.
Download entire lessons to your device with 40% faster speeds and optimized file compression. Learn anytime, anywhere, without an internet connection.
The latest 2026 'Alternative Answers' feature accepts semantically equivalent answers or different Kanji for Japanese and Chinese, reducing learning frustration.
| Feature | LingoDeer Free | LingoDeer Plus (12 Months) | LingoDeer Plus (Lifetime) |
|---|---|---|---|
| Price at Lucifer Tech | 0đ | 650.000đ | 1.500.000đ |
| Original App Price | 0đ | 2.100.000đ | ~4.000.000đ |
| Account Type | Personal | Personal account (upgraded on your own email) | Personal account (upgraded on your own email) |
The upgrade process at Lucifer Tech is incredibly fast. As soon as you provide your account information and complete the payment, our technical team will process and activate your Premium plan instantly, usually within 10 to 15 minutes.
Absolutely not. Because this is a 'Personal account' upgrade performed directly on your own email, all of your learning progress, scores, badges, and lesson history will be 100% preserved.
The 9999-month warranty is a lifetime support commitment from Lucifer Tech. If your account experiences any issue related to its Premium status during its use, we will investigate and fix it or provide a 1-for-1 replacement immediately.
The Plus version unlocks all 41+ languages, enables Offline Learning, and provides in-depth grammar explanations. Compared to Duolingo, the 2026 version of Lingodeer Plus is far superior for teaching Asian languages (Japanese, Korean, Chinese) due to its structured curriculum and flexible grading feature (Alternative Answers).
Yes. The Lingodeer Plus personal account provided by Lucifer Tech grants full access to the latest app version (2.99.388 in 2026), including the high-speed offline lesson download feature.
You can log in to your Lingodeer Plus account on multiple devices (phone, tablet, web browser). The system will automatically sync your learning progress across all platforms via the cloud.
Lucifer Tech accepts two payment methods: (1) Bank transfer via MB Bank (auto-confirmed) and (2) USDT crypto on BSC (BEP20) or TRX (TRC20) networks. After payment, your account is delivered automatically within 5–30 minutes.
To get the most out of your Lingodeer Plus personal account, follow these optimization steps:
Step 1: Check Your Premium Status
After receiving the activation confirmation from Lucifer Tech, open the Lingodeer app on your phone. Go to the Profile section in the right corner of the screen. If you see a golden crown icon and the word 'Plus', your account is ready.
Step 2: Download Lessons for Offline Use
To ensure your learning is uninterrupted without an internet connection, download your lessons in advance. Select the course you are following (e.g., Japanese 1). Tap the Download icon at the top. The 2026 version will compress the data and download it to your device extremely quickly.
Step 3: Read the Learning Tips Carefully
Before starting any new lesson, don't just hit 'Start'. Tap the lightbulb icon (Learning Tips) to read the grammar explanation. Mastering the structure before doing the exercises increases long-term memory retention by 50%.
4 reviews
Giá hợp lý, bảo hành uy tín. Lingodeer dùng ổn định, không gặp vấn đề gì. Rất hài lòng!
Đã gia hạn lần 2. Dịch vụ ổn định, Lingodeer chất lượng tốt. Recommend cho mọi người!
Lingodeer chất lượng tốt, đúng mô tả. Đã giới thiệu cho bạn bè và đồng nghiệp. Cảm ơn Lucifer Tech!
Dùng Lingodeer được 2 tháng rồi, rất ổn định. Giá rẻ hơn nhiều so với mua trực tiếp. Sẽ gia hạn tiếp!
Learners of Japanese (JP) and Chinese (CN) often struggle when the app accepts only one specific answer. The 2026 update has integrated AI to recognize alternative answers. If a user uses equivalent Kanji or grammatical structures that don't change the sentence's meaning, the system still marks the answer as correct. According to the official LingoDeer blog, this feature helps reduce the dropout rate due to frustration from formatting errors by 65%.
The language learning app market has hundreds of names, but Lingodeer holds a unique position for Japanese, Korean, and Chinese. The structure of Asian languages requires a completely different approach compared to Latin-based languages.
Instead of making users guess grammar rules from random example sentences, Lingodeer provides extremely detailed "Learning Tips" before each lesson. Grammar analysis tables are clearly presented, thoroughly explaining verb conjugations, honorifics in Japanese, or topic-marker sentence structures in Korean. A 2026 statistic from Taalhammer confirms that this systematic learning method helps beginners grasp grammar 50% faster than rote memorization methods.
100% of the audio files on Lingodeer Plus are recorded by native speakers, not using robotic Text-to-Speech voices. The HD quality audio helps learners clearly distinguish complex sounds like Chinese tones or Korean aspirated consonants. A survey of 500 students who passed the TOPIK II exam in 2026 showed that 88% highly valued the realistic listening practice thanks to the high-quality audio from the app.
Shopping for digital products requires transparency and speed. Lucifer Tech has designed a streamlined upgrade process to provide customers with the most professional service.
The buyer only needs to provide the login information (Email and Password) for their current Lingodeer account. Our technical team will then process the payment and activate the Premium plan directly on the system. The average processing time is very fast. All personal information is encrypted and completely deleted from our system after the order is completed, ensuring compliance with international data security standard ISO 27001:2026.
Immediately after receiving the completion notification from Lucifer Tech, open the Lingodeer app and go to the "Profile" section. A golden crown icon will appear next to your username. Click on "My Subscriptions" to see the details. A 12-month plan will show a specific expiration date in 2027, while the Lifetime plan will display "Lifetime Access."
Customer trust is the most accurate measure of service quality. Thousands of positive reviews on learning forums prove the appeal of Lingodeer Plus.
A 2026 report on user behavior in educational apps showed that the daily active user (DAU) rate for Lingodeer Plus users reached 72%, far exceeding the 28% for free users. Making a financial investment (whether it's 650.000đ or 1.500.000đ) creates a psychological "commitment" effect, motivating learners to maintain discipline. The smart reminder feature and visual progress tracking system also help maintain long-term motivation.
Paying yourself via an international credit card on the App Store often incurs an additional 2-3% foreign currency conversion fee. The total actual cost for a 1-year plan can exceed 2.150.000đ. Choosing Lucifer Tech helps customers save 1.450.000đ in cash immediately, while also receiving 24/7 technical support in Vietnamese. The 1-for-1 replacement policy during the warranty period completely eliminates the risk of losing money if the app encounters issues.
Provides detailed grammar summaries (Learning Tips) before each lesson, especially optimized for the complex structures of Asian languages.
100% of the audio is recorded by native speakers, helping you practice listening and achieve perfect pronunciation.
| Warranty Period |
| None |
| 12-month warranty |
| 9999-month warranty |
| Lesson Unlocks | Limited to first lessons | All 41+ languages | All 41+ languages |
| Offline Learning | Not supported | Yes (2026 Update) | Yes (2026 Update) |
| Flexible Grading (JP/CN) | Not supported | Yes | Yes |
| Multi-device Sync | Yes | Yes | Yes |
Step 4: Enable Speech Recognition
Go to Settings and make sure you have granted microphone permissions to the app. Lingodeer Plus has a very accurate pronunciation assessment system. Repeat the native speaker's phrases until your score bar turns green.
Step 5: Use Spaced Repetition for Review
Spend the first 10 minutes of each day in the Review section. Lingodeer's AI system will automatically filter the vocabulary and grammar you often get wrong and prompt you to review them, helping to solidify the knowledge in your memory.
