# Demistake AI vs Solution AI

The clearest difference is ads: Solution AI at none against Demistake AI's shown. Demistake AI's advantage is update cadence (weekly vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Demistake AI sells 10 in-app purchases, starting at $6.99 per month and Solution AI sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Demistake AI ships an update weekly, Solution AI monthly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Demistake AI | Solution AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/demistake-ai-study-companion/id6664059684/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 35 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Sichuan Parabola Technology Co., Ltd](https://appshunter.io/developer/1705532691) | [Emir Simsek](https://appshunter.io/developer/1820897950) |

## What reviewers say

### Demistake AI

[App page](https://appshunter.io/ios/app/demistake-ai-study-companion/id6664059684)

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:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| 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 |
| Balance 100 | $0.99 | one-time |
| 200 Credits | $3.99 | one-time |
| 350 Credits | $5.99 | one-time |
| 700 Credits | $9.99 | one-time |
| Balance 1999 | $19.99 | one-time |
| Balance 9999 | $99.99 | one-time |


### Solution AI

[App page](https://appshunter.io/ios/app/solution-ai-problem-solver/id6747352034)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Monthly | $14.99 | per month |
| Pro Yearly | $199.99 | per year |


## Frequently asked questions

### Is Demistake AI free?

Demistake AI is free to download, with in-app purchases available.

### Is Solution AI free?

Solution AI is free to download, with in-app purchases available.

### Do Demistake AI or Solution AI have ads?

Demistake AI shows ads; Solution AI does not.

### Which is updated more often, Demistake AI or Solution AI?

Demistake AI ships an update weekly, and Solution AI monthly. Most recently, Demistake AI was updated on November 4, 2026 and Solution AI on October 30, 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.*