OneDayLearn vs Biology AI
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
OneDayLearn
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OneDayLearn is a learning app built for people who want to truly understand β not just memorize. Each course is carefully structured so that ideas unfold naturally, one step at a time. No information overload, no pressure, no deadlines. Just clear, logical lessons that help you see how things connect. HOW IT WORKS Pick a topic that interests you and dive in. Each learning path is broken into short, focused lessons that take just a few minutes. Read at your own pace, revisit any lesson, and watch your understanding grow day by day. WHY ONEDAYLEARN - Structured learning paths β every lesson builds on the previous one, so you always know where you are and where you're going. - Understanding over memorization β we focus on meaning, logic, and real connections between ideas. Knowledge that stays with you. - Short and focused β lessons are concise and intentional. Maximum value in minimum time, without sacrificing depth. - No deadlines, no pressure β learn when you're ready. Morning commute, lunch break, or before bed β it's your schedule. - Thoughtfully designed content β every course highlights the key concepts you need, helping you avoid overload and stay focused on what truly matters. WHAT YOU CAN LEARN - Ancient Literature β explore the stories, ideas, and voices that shaped civilization from its earliest chapters. - Art History β understand how art evolved, why styles changed, and what artists were really trying to say. - Biology β from Darwin's natural selection to human evolution, see how life adapts and transforms. - World Foundations β discover the key events, systems, and ideas that built the modern world. - Mathematics β make sense of numbers, patterns, and logic in a way that finally clicks. New subjects are added over time β your learning journey keeps growing. WHO IT'S FOR OneDayLearn is for curious minds of all ages. Whether you're a student looking for clarity, a professional expanding your horizons, or simply someone who enjoys learning β this app meets you where you are. Start your first lesson today. No commitment, no rush β just understanding. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Biology AI
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Biology AI: Study Helper β your smart way to solve, understand, and master biology. Struggling with biology? Get instant help solving problems, understanding complex topics, and learning faster with clear, step-by-step explanations. Just scan a question, type it in, or ask directly β and get accurate answers in seconds. KEY FEATURES - Scan & Solve Problems Take a photo of any biology question or homework task and let Biology AI provide clear, step-by-step solutions. - AI Tutor Chat Ask any biology question and get instant, easy-to-understand explanations β like having a personal tutor 24/7. - Flashcards & Quizzes Create and practice with smart flashcards and quizzes to reinforce knowledge and prepare for exams. - Cheat Sheets Access quick, structured summaries for important biology topics β perfect for fast revision. - Biology Calculator Use built-in tools for essential biology and cell-related calculations. - Daily Challenge Stay consistent and improve your skills with new biology challenges every day. BUILT FOR REAL LEARNING Whether you're in high school, college, or just improving your Biology Study, this app helps you: - Understand concepts, not just memorize - Save time on homework and assignments - Prepare effectively for tests and exams - Learn at your own pace WHY BIOLOGY AI? Unlike generic AI tools, itβs built specifically for biology β delivering more accurate, relevant, and structured answers you can trust. From cell biology and genetics to ecology and evolution β everything you need is in one place.
Screenshots
Verdict
The clearest difference is ads: Biology AI at none against OneDayLearn's shown. OneDayLearn's advantage is update cadence (every 2 days vs every 3 weeks) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. OneDayLearn sells 3 in-app purchases, starting at $24.99 per month and Biology AI sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
OneDayLearn ships an update every 2 days, Biology AI every 3 weeks. The most recent releases landed on September 21, 2026 and June 8, 2026 respectively.
| Parameter | OneDayLearn | Biology AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days β better | Every 3 weeks |
| Ads | Yes | No β better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 β better | 16.0 |
| Further details β not scored | ||
| Size | 47 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Rocky Solutions | Rudenko Andrii |
In-app purchases
OneDayLearn
- Monthly1 Month trial$24.991 Month
- Quarterly3 Months trial$49.993 Months
- Annual1 Year trial$139.991 Year
Biology AI
- Biology AI Premium3 Days trial$2.997 Days
- Biology AI Premium$24.991 Year





