Comparison

Андрей Костаков vs MistakeBook

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

Head to head
About

Андрей Костаков

Features
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В программе представлены опубликованные в российских газетах и журналах стихотворения, загадки, скороговорки, считалки автора Андрея Костакова.

About

MistakeBook

Log and review incorrect answers to improve learning. Organize mistakes by subject and topic, and utilize spaced repetition to reinforce weak areas. Track progress with visual charts and daily check-ins for effective test preparation.

Highlights
  • Log mistakes with photos and notes
  • Organize by subject and custom tags
  • Spaced repetition review mode
  • Ebbinghaus forgetting curve schedule
  • Progress charts and stats dashboard
  • Data import/export backup
Features
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Capture every wrong answer in seconds. Sort mistakes by subject, tag key topics, and build a personal error bank—no account required. Preparing for midterms, finals, or standardized tests? Spaced review quizzes follow the forgetting curve so weak spots come back at the right time. See progress charts and daily check-ins to stay on track. • Log mistakes with photos, notes, and difficulty tags • Organize by subject, chapter, and custom tags • Review mode: quiz, practice, and spaced repetition • Ebbinghaus schedule for smarter recall • Stats dashboard: mastery trends and weak areas • Import/export backup—data stays on your device Built for students who want a simple, private way to turn errors into higher scores.

Screenshots

Андрей Костаков3 screens
MistakeBook4 screens

Verdict

The call

The clearest difference is update cadence: MistakeBook at monthly against Андрей Костаков's every 29 months. MistakeBook also leads on price ($1.99 vs $2.99) and iOS requirement (13.0 vs 16.0). On ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Андрей Костаков costs $2.99 and MistakeBook $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Андрей Костаков ships an update every 29 months, MistakeBook monthly. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

Scorecard3 real differences · 5 level
Андрей Костаков versus MistakeBook: the parameters behind the verdict, then further details
ParameterАндрей КостаковMistakeBook
Price$2.99$1.99 — better
Positive reviews—100.0% of reviews
Update frequencyEvery 29 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size602 MB26 MB
Age rating4+4+
DeveloperKostakov MaximXiamen City Fanyou Network Technology Co., Ltd.

In-app purchases

None

Андрей Костаков

No in-app purchases

None

MistakeBook

No in-app purchases

Questions

Is Андрей Костаков free?
Андрей Костаков costs $2.99, with no in-app purchases.
Is MistakeBook free?
MistakeBook costs $1.99, with no in-app purchases.
Do Андрей Костаков or MistakeBook have ads?
Neither Андрей Костаков nor MistakeBook shows ads.
Which is updated more often, Андрей Костаков or MistakeBook?
Андрей Костаков ships an update every 29 months, and MistakeBook monthly. Most recently, Андрей Костаков was updated on September 21, 2026 and MistakeBook on September 13, 2026.

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