Comparison

MistakeBook vs ThaiLang

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

Head to head
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
Read full description

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.

About

ThaiLang

Master Thai language with interactive lessons, vocabulary drills, and engaging games. This app offers offline access and no ads for a focused learning experience.

Highlights
  • Grammar lessons
  • Essential Thai phrases
  • Vocabulary drills
  • Sentence and question builders
  • Interactive language games
  • Offline functionality
  • Audio pronunciation
Features
Read full description

ThaiLang makes learning Thai simple and fun — no account needed, no internet required. LEARN • Grammar lessons with progressive difficulty • 100 essential Thai phrases organized by category • Word bank with categories, shuffle, and random drills PLAY • Sentence Builder — construct Thai sentences word by word • Tense Transformer — master Thai tenses • Question Builder — form Thai questions • Word Match — fast vocabulary recall • Conversation Fill — complete real dialogues • Flashcard Quiz — test your memory • Days & Months — learn the calendar • Opposite Game — match Thai antonyms • GrowThai — build sentences at 3 difficulty levels FEATURES • Audio pronunciation for every word • Phonetic transliterations throughout • XP progression system with level-ups • Works completely offline • No ads, no sign-up Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MistakeBook4 screens
ThaiLang4 screens

Verdict

The call

The clearest difference is price: ThaiLang at Free against MistakeBook's $1.99. ThaiLang also leads on update cadence (every 5 days vs monthly). MistakeBook's advantage is iOS requirement (13.0 vs 15.0). On review sentiment, 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

ThaiLang is free to download; MistakeBook costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

MistakeBook ships an update monthly, ThaiLang every 5 days. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
MistakeBook versus ThaiLang: the parameters behind the verdict, then further details
ParameterMistakeBookThaiLang
Price$1.99Free — better
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—1 — better
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size26 MB47 MB
Age rating4+4+
DeveloperXiamen City Fanyou Network Technology Co., Ltd.Carson Evans

Customer experience

MistakeBook

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ThaiLang

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MistakeBook

No in-app purchases

None

ThaiLang

No in-app purchases

Questions

Is MistakeBook free?
MistakeBook costs $1.99, with no in-app purchases.
Is ThaiLang free?
ThaiLang is free to download, with no in-app purchases.
Do MistakeBook or ThaiLang have ads?
Neither MistakeBook nor ThaiLang shows ads.
Which is updated more often, MistakeBook or ThaiLang?
MistakeBook ships an update monthly, and ThaiLang every 5 days. Most recently, MistakeBook was updated on October 20, 2026 and ThaiLang on October 15, 2026.

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