# MistakeBook vs ThaiLang

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.

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

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

## The numbers

| Metric | MistakeBook | ThaiLang |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thailang-learn-thai-language/id6783634126/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 26 MB | 47 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) | [Carson Evans](https://appshunter.io/developer/6780342223) |

## What reviewers say

### MistakeBook

[App page](https://appshunter.io/ios/app/mistakebook-wrong-answer-log/id6770173206)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ThaiLang

[App page](https://appshunter.io/ios/app/thailang-learn-thai-language/id6783634126)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*