Comparison

Lyn vs Flashka

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Lyn

This AI-powered tutor provides instant help with school subjects, homework, and exam preparation. It offers step-by-step explanations, transforms study materials into flashcards, and includes a voice mentor for interactive learning.

Highlights
  • AI tutor for all school subjects
  • Homework assistance and explanation
  • Convert study materials to flashcards
  • Voice mentor and language practice
  • Spaced repetition flashcards
  • Personalized learning projects
Features
Read full description

Nachhilfe Mentor is your personal AI tutor for school, homework, and exam prep. Learn faster, understand tough topics, and get instant help whenever you're stuck. Whether it's math, English, chemistry, history, or foreign languages: Nachhilfe Mentor helps students from grade 5 and up solve homework, understand new material, and prepare for tests, quizzes, and final exams. With AI tutoring, you learn exactly when you need help. No waiting. No pressure. Right on your iPhone. What Nachhilfe Mentor can do: - AI Tutor for every subject Ask questions in math, English, chemistry, physics, history, and more. Get clear, step-by-step explanations you actually understand. - Homework help that teaches, not just answers Snap a photo of your homework, upload a PDF, or type your question directly into the app. Nachhilfe Mentor doesn't just give you the answer, it walks you through how to get there. - Turn PDFs and notes into study material Upload your class notes or textbook pages and instantly turn them into flashcards, summaries, and practice tests. Perfect for reviewing before a quiz or exam. - Voice Mentor and language coach Talk to your AI tutor out loud. Ask questions, practice explanations, or train a new language like Spanish, French, Italian, or German. - Flashcards with spaced repetition Study with a smart flashcard maker that repeats the hardest topics more often, so information actually sticks. - Personal study plans Build a study plan for a subject, topic, or upcoming exam. The app keeps you on track and helps you make steady progress, step by step. Nachhilfe Mentor is built for students, college students, and anyone who wants to study smarter. The app combines an AI tutor, homework helper, flashcard maker, study planner, and language coach in a single study app. Start for free and learn today with your personal AI Nachhilfe Mentor. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://nachhilfe-mentor.de/privacy-policy

About

Flashka

Transform notes, PDFs, and lecture slides into interactive flashcards and AI-powered quizzes. Utilize spaced repetition and a personal AI tutor to master material and ace exams.

Highlights
  • AI-generated flashcards from notes/PDFs
  • Spaced-repetition study algorithms
  • AI-powered mock quizzes
  • Personal AI tutor for explanations
  • Import handwritten notes and photos
  • 24/7 study assistance
Features
Read full description

Learn 10× faster and ace every exam with Flashka — the best AI flashcard and quizzes app. Turn any notes, PDFs, photos or lecture slides into dynamic flashcards and mock quizzes in seconds. With Flashka you can: Import any material
Upload your handwritten notes, PDFs, or photos, and highlight and interact with them Generate flashcards
Let our AI create cards exclusively from your material, forget endless writing. Study in the most effective way 
Use spaced‑repetition algorithms that adapt to your studying Test your knowledge
Practice with AI‑powered quizzes & mock exams, from your flashcards Get 24/7 professor on your side
Ask Professor Ka, your personal AI tutor, for instant explanations, memorisations and chat. Join +2M students who’ve improved grades and conquered exams with Flashka. Download now and start studying smarter. Terms of Use: https://flashka.ai/terms Privacy Policy: https://flashka.ai/privacy

Screenshots

Lyn4 screens
Flashka4 screens

Verdict

The call

The clearest difference is ads: Lyn at none against Flashka's shown. Lyn also leads on review sentiment (100% vs 80%) and rating (5.0 vs 4.8). Flashka's advantage is ratings volume (398 vs 2). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lyn sells 3 in-app purchases, starting at $4.99 per month and Flashka sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Lyn holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Flashka has 398 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Lyn's written reviews are positive against 80% of Flashka's.

UpkeepUpdate frequency

Lyn ships an update every 3 weeks, Flashka fortnightly. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

Scorecard4 real differences · 6 level
Lyn versus Flashka: the parameters behind the verdict, then further details
ParameterLynFlashka
PriceFreeFree
Rating5.0 (2 ratings) — better4.8 (398 ratings)
Positive reviews100.0% of reviews — better80.4% of reviews
Number of ratings2398 — better
Update frequencyEvery 3 weeksFortnightly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size90 MB173 MB
Age rating4+4+
DeveloperThuemmler AI GmbHFlashka OÜ

Customer experience

Lyn

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Flashka

All ratings398 ratings
Positive95.7%
Neutral2.8%
Negative1.5%
Written reviews56 reviews
Positive80.4%
Neutral10.7%
Negative8.9%

In-app purchases

3 purchases

Lyn

Subscriptions3
  • Nachhilfe Mentor Pro7 Days trial$4.991 Month
  • Nachhilfe Mentor Pro7 Days trial$6.991 Month
  • Nachhilfe Mentor Pro7 Days trial$49.991 Year
4 purchases

Flashka

Subscriptions4
  • Wizard Subscription$3.991 Month
  • Wizard Subscription$9.991 Month
  • Black Friday Discount$29.991 Year
Show 1 more
  • Wizard Subscription$59.991 Year

Questions

Is Lyn free?
Lyn is free to download, with in-app purchases available.
Is Flashka free?
Flashka is free to download, with in-app purchases available.
Which has better reviews, Lyn or Flashka?
Lyn is rated higher. Lyn averages 5.0 out of 5 from 2 ratings, while Flashka averages 4.8 from 398 ratings.
Do Lyn or Flashka have ads?
Flashka shows ads; Lyn does not.
Which is updated more often, Lyn or Flashka?
Lyn ships an update every 3 weeks, and Flashka fortnightly. Most recently, Lyn was updated on November 4, 2026 and Flashka on November 8, 2026.

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