Study Surfers vs Kno
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Study Surfers
This app transforms study notes into an engaging endless runner game. Use AI to generate custom quizzes from any topic, test your knowledge to increase speed, and compete for high scores. Customize your character with earned in-game currency.
- AI-generated custom quizzes
- Endless runner gameplay
- Speed increases with correct answers
- Character customization
- High score competition
- Unlockable outfits and accessories
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STUDY SMARTER. RUN FASTER. Tired of boring flashcards? Introducing the revolutionary endless runner that turns your study notes into an adrenaline-fueled quiz! Just paste in your topic or study guide, and our powerful AI instantly generates a custom true/false track for you to conquer. AI-POWERED QUIZZES: Create infinite, unique levels from any subject imaginable—from history to biology to your favorite fantasy novel! HIGH-SPEED ACTION: The more you know, the faster you go! Answer questions correctly on the fly to build epic score streaks and boost your speed. CUSTOMIZE YOUR CHARACTER: Use the coins you earn to unlock awesome and unique outfits, shoes, and accessories in the store. COMPETE FOR THE TOP SPOT: Dodge challenging obstacles, master every subject, and crush your old high scores to prove you're the smartest runner around. Stop memorizing. Start sprinting. Download now and turn your study session into an epic adventure!
Kno
This AI-powered study tool helps nursing students transform lecture notes into personalized study guides, flashcards, and practice quizzes. Engage in live multiplayer quiz battles with classmates or join study groups to enhance learning and retention.
- AI-generated study guides
- AI flashcards
- NCLEX-style practice questions
- Multiplayer quiz battles
- Study groups and chats
- Progress tracking
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Study smarter with Kno—the all-in-one AI-powered study companion built for nursing students. Kno transforms your lecture notes into personalized study guides, flashcards, and NCLEX-style quizzes in seconds. Study alone or compete with classmates using Arena, our live multiplayer quiz mode. Features: • AI-generated study guides • AI flashcards • NCLEX-style practice questions • Arena multiplayer quiz battles • Friends & study groups • Group chats • Light & Dark Mode • Progress tracking Whether you're preparing for your next exam or the NCLEX, Kno helps you study faster, retain more information, and stay motivated. Built by a nurse, for future nurses.
Screenshots
Verdict
The clearest difference is in-app purchases: Kno at none against Study Surfers's 1. Kno also leads on ads (none vs shown) and update cadence (daily vs every 3 days). Study Surfers's advantage is ratings volume (7 vs 1) and iOS requirement (15.0 vs 18.0). On price, rating 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. Study Surfers sells 1 one-off in-app purchase. Kno asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Study Surfers against 5.0 for Kno. That said, the two scores are not equally well evidenced: Study Surfers has 7 ratings behind it against 1, so its average is the more settled of the two.
Study Surfers ships an update every 3 days, Kno daily. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.
| Parameter | Study Surfers | Kno |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) | 5.0 (1 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 3 days | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 241 MB | 5 MB |
| Age rating | 4+ | 17+ |
| Developer | Henry Hinman Whittle | ARIE MAG,E LOVE |
Customer experience
Study Surfers
Kno
In-app purchases
Study Surfers
- Remove Ads$8.99
Kno
No in-app purchases
