Comparison

Demistake AI vs StudyHero

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

Head to head
About

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.

Highlights
  • AI-generated feedback and explanations
  • Digital mistake notebook
  • Searchable question history
  • Focused practice exercises
  • AI tutor for follow-up questions
  • Recent activity tracking
Features
Read full description

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

About

StudyHero

Read full description

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

Demistake AI4 screens
StudyHero4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

Demistake AI ships an update weekly, StudyHero every 3 weeks. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 7 level
Demistake AI versus StudyHero: the parameters behind the verdict, then further details
ParameterDemistake AIStudyHero
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyWeekly — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size48 MB70 MB
Age rating12+4+
DeveloperSichuan Parabola Technology Co., Ltdmahan kheirollahi

In-app purchases

10 purchases

Demistake AI

Subscriptions4
  • Monthly$6.991 Month
  • Demistake PLUS 1 Month3 Days trial$9.991 Month
  • Demistake PLUS 3 Months3 Days trial$24.993 Months
Show 1 more
  • Demistake PLUS 12 Months3 Days trial$79.991 Year
One-time6
  • Balance 100$0.99
  • 200 Credits$3.99
  • 350 Credits$5.99
Show 3 more
  • 700 Credits$9.99
  • Balance 1999$19.99
  • Balance 9999$99.99
2 purchases

StudyHero

Subscriptions2
  • StudyHero Premium Monthly7 Days trial$3.991 Month
  • StudyHero Premium Annual14 Days trial$19.991 Year

Questions

Is Demistake AI free?
Demistake AI is free to download, with in-app purchases available.
Is StudyHero free?
StudyHero is free to download, with in-app purchases available.
Do Demistake AI or StudyHero have ads?
Demistake AI shows ads; StudyHero does not.
Which is updated more often, Demistake AI or StudyHero?
Demistake AI ships an update weekly, and StudyHero every 3 weeks. Most recently, Demistake AI was updated on November 4, 2026 and StudyHero on November 8, 2026.

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