Demistake AI vs StudyHero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Demistake AI
This app helps you learn from your mistakes by creating a digital notebook of questions you get wrong. It offers AI-powered feedback, practice exercises, and a tutor to clarify concepts. Track your progress and focus on areas needing improvement.
- AI-generated feedback and explanations
- Digital mistake notebook
- Searchable question history
- Focused practice exercises
- AI tutor for follow-up questions
- Recent activity tracking
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Learn from the questions you get wrong. Demistake brings assessment, a mistake notebook, practice and learning activity into one place. REVIEW YOUR WORK Enter a question or photograph a question and your working. Review AI-generated feedback and explanations, and clarify missing information when needed. KEEP A MISTAKE NOTEBOOK Save questions that need another look. Search your notebook and return to the points you want to practise. PRACTISE AND FOLLOW UP Review weak points with focused exercises and ask follow-up questions in the AI tutor. SEE YOUR RECENT ACTIVITY Check your recent assessments and practice to plan your next study session. Demistake is for learners aged 13 and older. Teen accounts require guardian verification for AI features. AI processing requires separate permission, which you can withdraw in Settings. AI responses may be incorrect; check important answers against your learning materials. Optional PLUS subscriptions and credit purchases are available in the app. Features have usage limits. The purchase screen shows the applicable benefits, price, billing period and any trial eligibility. Subscriptions renew automatically unless cancelled in your Apple account settings before renewal. Privacy Policy: https://unmistake.iparabola.com/ysxy Terms of Use: https://unmistake.iparabola.com/yhxy
StudyHero
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Your semester, finally in one place. StudyHero is the all-in-one study planner built for university and college students. Keep your classes, assignments, notes, study sessions and GPA together so you can spend less time getting organized and more time making progress. ONE PLACE FOR YOUR WHOLE SEMESTER • Semester Planner: Organize courses, professors, credits, class times, assignments, projects, notes and attendance. • Smart Home: See today's classes, upcoming deadlines, semester progress and what to do next. • Calendar: View your class schedule, important dates and study plans in one place. • To-Do Lists: Manage coursework and everyday tasks without the clutter. • Course Notes: Keep your notes connected to the classes they belong to. FOCUS ON WHAT MATTERS Start a Pomodoro study session when it's time to get things done. Track your focus time throughout the week, build a more consistent study routine and use personalized reminders to stay on track. UNDERSTAND YOUR GPA • GPA Calculator: Enter grades and course credits to track your GPA across semesters. • Target GPA: Set a goal and discover what grades you need in your remaining courses to work toward it. • Academic Progress: See how your coursework and grades fit into your semester goals. BUILT AROUND YOU Personalize StudyHero to your academic level, field of study, goals, study habits and preferred reminder times. Whether you're starting university, managing a demanding semester or aiming to improve your GPA, StudyHero helps you keep your next steps clear. WHY STUDENTS CHOOSE STUDYHERO Instead of managing a separate calendar, notes app, task manager, focus timer and GPA spreadsheet, bring the essentials together in one study companion. Plan your week. Focus today. Make progress all semester. Be the hero of your semester. Have an idea or feedback? Use Suggestions in the app or email support@studyhero.app. Privacy Policy: https://www.studyhero.app/privacy-policy Terms and Conditions: https://www.studyhero.app/terms
Screenshots
Verdict
The clearest difference is ads: StudyHero at none against Demistake AI's shown. Demistake AI's advantage is update cadence (weekly vs every 3 weeks). On price, in-app purchases, device support and iOS requirement 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. Demistake AI sells 10 in-app purchases, starting at $6.99 per month and StudyHero sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Demistake AI ships an update weekly, StudyHero every 3 weeks. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.
| Parameter | Demistake AI | StudyHero |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 48 MB | 70 MB |
| Age rating | 12+ | 4+ |
| Developer | Sichuan Parabola Technology Co., Ltd | mahan kheirollahi |
In-app purchases
Demistake AI
- Monthly$6.991 Month
- Demistake PLUS 1 Month3 Days trial$9.991 Month
- Demistake PLUS 3 Months3 Days trial$24.993 Months
Show 1 moreShow fewer
- Demistake PLUS 12 Months3 Days trial$79.991 Year
- Balance 100$0.99
- 200 Credits$3.99
- 350 Credits$5.99
Show 3 moreShow fewer
- 700 Credits$9.99
- Balance 1999$19.99
- Balance 9999$99.99
StudyHero
- StudyHero Premium Monthly7 Days trial$3.991 Month
- StudyHero Premium Annual14 Days trial$19.991 Year









