# Demistake AI - Study Companion — Mistake book + AI tutor

> AI-powered mistake notebook and study companion for personalized learning. (iPhone/iPad app by Sichuan Parabola Technology Co., Ltd.)

- Source: https://appshunter.io/ios/app/demistake-ai-study-companion/id6664059684 (this page in markdown: same URL + `.md`)
- Developer: [Sichuan Parabola Technology Co., Ltd](https://appshunter.io/developer/1705532691)
- Category: Education, Utilities
- Price: Free with in-app purchases
- Rating: 1.00/5 from 1 App Store ratings
- Age rating: 12+
- Requires: iOS 15.0 · 48 MB
- Languages: American English, Arabic, French (France), German (Germany), Hindi, Japanese, Korean, Russian, Chinese (Simplified, China), European Spanish
- Released: 2025-04-16
- Data updated: 2026-11-04
- Monetization: free with in-app purchases

## What is Demistake AI?

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

## Key features

- AI-generated feedback and explanations
- Digital mistake notebook
- Searchable question history
- Focused practice exercises
- AI tutor for follow-up questions
- Recent activity tracking

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Demistake PLUS 1 Month | $9.99 | per month |
| Demistake PLUS 3 Months | $24.99 | per 3 months |
| Demistake PLUS 12 Months | $79.99 | per year |
| Monthly | $6.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 200 Credits | $3.99 | one-time |
| 700 Credits | $9.99 | one-time |
| 350 Credits | $5.99 | one-time |
| Balance 100 | $0.99 | one-time |
| Balance 1999 | $19.99 | one-time |
| Balance 9999 | $99.99 | one-time |


## Is Demistake AI safe?

Not enough ratings yet to assess Demistake AI.

## Is Demistake AI legit?

Demistake AI - Study Companion appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Demistake AI is 78 out of 100 points across 7 verification signals from App Store and developer data.


## Frequently asked questions about Demistake AI

### How does Demistake help me learn?

Demistake helps you learn by creating a digital notebook of questions you get wrong. You can review AI-generated feedback and explanations, practice weak points with focused exercises, and ask follow-up questions to the AI tutor.

### Can I photograph questions to add them to Demistake?

Yes, you can photograph a question and your working to add it to Demistake. The app then provides AI-generated feedback and explanations for your review.

### What are the subscription options for Demistake?

Demistake offers optional PLUS subscriptions and credit purchases. Subscription plans include Weekly ($1.99), Monthly ($6.99), and Yearly ($19.99) options, with some offering 3-day free trials. Specific PLUS plans are also available for 1 and 3 months.

### Does Demistake have ads?

Yes, Demistake contains advertisements. As a free app with in-app purchases, ads are part of the user experience.

### What is the age rating for Demistake?

Demistake is rated 12+ and is intended for learners aged 13 and older. Teen accounts require guardian verification for AI features.

### How often is Demistake updated?

The latest version of Demistake is 1.1.0, which was last updated on November 3, 2026. This indicates a recent update, suggesting ongoing development and support.

### What devices does Demistake support?

Demistake is supported on iPhone and iPod devices. It is designed for Apple's mobile operating systems.

### Can AI responses in Demistake be incorrect?

Yes, AI responses may be incorrect. It is important to check important answers against your learning materials to ensure accuracy.

## Version history (last 5 releases)

### 1.1.0 — 2026-11-03

A refreshed study experience with assessment, a mistake notebook, focused practice and an AI tutor. This update adds age eligibility checks, separate AI-processing permission and account privacy controls.

### 1.0.7 — 2026-04-17

1. Fix known bugs
2. Optimize user experience

### 1.0.6 — 2025-06-05

1. Fix known bugs
2. Optimize user experience

### 1.0.5 — 2025-05-06

1. Fix known bugs
2. Optimize user experience

### 1.0.4 — 2025-04-29

1. Optimize user experience
2. Fix known bugs

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## More apps by Sichuan Parabola Technology Co., Ltd

- [Vientiane AI - chat & office](https://appshunter.io/ios/app/vientiane-ai-chat-and-office/id6464111267)
- [Paper AI - Thesis & Academic](https://appshunter.io/ios/app/paper-ai-thesis-and-academic/id6466595204)
- [Harem AI - Chat & Talk & Crush](https://appshunter.io/ios/app/harem-ai-chat-and-talk-and-crush/id6636491359)

All apps by Sichuan Parabola Technology Co., Ltd: https://appshunter.io/developer/1705532691

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-04.*