Cardiovascular System QZ vs Study Surfers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cardiovascular System QZ
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Human cardiovascular system including anatomical heart structure, heart functions, blood pressure regulation, blood flow, blood cells, regions, hormones, regulation, definitions, terms, core concepts and questions included. Over 180 quiz questions provide a great opportunity to quickly prepare for class ahead of time, learn more during lecture, and improve your grade. Questions on topics speed and enhance your learning, find holes in your knowledge, and provide an additional perspective on the subject. If you can’t save study
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!
Screenshots
Verdict
The clearest difference is price: Study Surfers at Free against Cardiovascular System QZ's $1.99. Study Surfers also leads on update cadence (every 3 days vs every 24 months). Cardiovascular System QZ's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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
Study Surfers is free to download; Cardiovascular System QZ costs $1.99 up front. Study Surfers sells 1 one-off in-app purchase. Cardiovascular System QZ asks for nothing beyond the download.
Cardiovascular System QZ ships an update every 24 months, Study Surfers every 3 days. The most recent releases landed on October 29, 2026 and November 5, 2026 respectively.
| Parameter | Cardiovascular System QZ | Study Surfers |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 4.6 (9 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 24 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 56 MB | 241 MB |
| Age rating | 4+ | 4+ |
| Developer | Alpha Dog Marketing LLC | Henry Hinman Whittle |
In-app purchases
Cardiovascular System QZ
No in-app purchases
Study Surfers
- Remove Ads$8.99
Questions
Is Cardiovascular System QZ free?
Is Study Surfers free?
Do Cardiovascular System QZ or Study Surfers have ads?
Which is updated more often, Cardiovascular System QZ or Study Surfers?
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