Zvezda vs Retent
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Zvezda
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Zvezda โ Expert Advice & Real Conversations, Anytime Zvezda connects you instantly with trusted experts and real people around the world. Whether you need legal guidance, business advice, real-estate support, education help, mechanical troubleshooting, immigration questions, personal coaching, or just a casual conversation for fun and entertainment, Zvezda brings real human connection directly to your phone. Browse verified experts, view per-minute or flat-rate pricing, add credits securely, and start a call in seconds. No scheduling. No waiting. Just real answers and real conversations whenever you need them. Why Choose Zvezda? Instant Access: Talk to professionals anytime. Global Network: Experts from many countries and languages. Transparent Pricing: Pay only for the minutes you talk. Secure Payments: Add credits safely with trusted methods. High-Quality Calls: Clear audio built into the app. Verified Profiles: Experience, ratings, languages, and specialties. Casual Chats: Relaxed, friendly conversations for enjoyment, language practice, or simply unwinding. - Connect With Experts & Companions In Many Fields Legal & Immigration Business & Finance Real Estate & Property Education & University Guidance Mechanical & Technical Support Health, Wellness & Lifestyle IT & Software Help Casual Conversation & Entertainment And more across dozens of global categories. - How It Works Explore experts or conversational companions. Add credits to your Zvezda wallet. Start a call instantly โ expert help or casual talk. Pay only for the minutes you use. Rate your experience to help others choose. - Safe, Simple, and Convenient Zvezda uses encrypted calls, secure payments, and verified profiles to ensure a safe and seamless experience wherever you are. - Why Users Love Zvezda Quick answers when time matters Affordable, flexible pricing Worldwide expert availability Great for urgent help, learning new things, or just chatting for fun and entertainment Works anywhere in the world
Retent
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Turn what you study into long-term memory. Retent helps you remember what you learn by turning your study material into intelligent quizzes after each Focus session. STUDY SMARTER - Add your study material - Set up your desired quiz or flashcards - Read during your Focus session - Test your retention later with AI-powered quizzes FEATURES - AI-generated quizzes based on your notes - Smart Flashcards - Focus sessions that track your attention span - Points, ranks, leaderboards and coins - Ambient audio to help you study - Custom avatars, badges and profile frames WHY CHOOSE RETENT? Retent is built for real retention, not just studying. Instead of passively reviewing material, Retent helps reinforce what you learn so knowledge actually sticks. You can study your own notes, books, slides or any text in general. The app will in turn automatically generate quizzes to test your memory. With a point and coin system, ranks and total personalisation, Retent keeps you motivated while learning, and distraction free Focus sessions with optional ambient sounds help you stay in the zone. Retent is not about studying more - it is about remembering more. WHO IS IT FOR? - Students preparing for exams or studying in general - Anyone interested in improving their attention span while also learning Retent is not just another study timer - it helps reinforce what you learn so it actually stays with you. Start learning. Start remembering. Start Retenting.
Screenshots
Verdict
The clearest difference is in-app purchases: Zvezda at none against Retent's 2. Retent's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Retent sells 2 in-app purchases, starting at $6.99 per month. Zvezda asks for nothing beyond the download.
| Parameter | Zvezda | Retent |
|---|---|---|
| Price | Free | Free |
| Update frequency | โ | Every 9 days |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone | iPhone, iPad, iPod โ better |
| Requires iOS | 16.6 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 49 MB | 27 MB |
| Age rating | 4+ | 9+ |
| Developer | Silvertel LLC | Kristiyan Grigorov |
In-app purchases
Zvezda
No in-app purchases
Retent
- Retent Unlimited Monthly$6.991 Month
- Retent Unlimited Yearly$39.991 Year









