# Sudoku Solver AI vs Optical Toolkit

The clearest difference is in-app purchases: Optical Toolkit at none against Sudoku Solver AI's 4. Optical Toolkit also leads on ads (none vs shown). Sudoku Solver AI's advantage is update cadence (fortnightly vs every 12 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sudoku Solver AI sells 4 in-app purchases, starting at $3.99 per month. Optical Toolkit asks for nothing beyond the download.

Sudoku Solver AI ships an update fortnightly, Optical Toolkit every 12 months. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Sudoku Solver AI | Optical Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/sudoku-solver-ai-hints/id1450071180/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 83 MB | 10 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohit Singi](https://appshunter.io/developer/1008735375) | [Luka Kovac](https://appshunter.io/developer/1705659661) |

## What reviewers say

### Sudoku Solver AI

[App page](https://appshunter.io/ios/app/sudoku-solver-ai-hints/id1450071180)

This app uses AI and text recognition to solve Sudoku puzzles from photos, screenshots, or manual input. Get hints, play, share, or print your puzzles. An in-app purchase removes ads.

**Highlights:** AI-powered Sudoku solving, Camera and screenshot import, Manual input mode, Get hints for cells, Play, share, and print puzzles, User guide included

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $3.99 | per month |
| 6 Month | $7.99 | per 6 months |
| 1 Year | $12.99 | per year |
| Life Time Pro | $19.99 | one-time |


### Optical Toolkit

[App page](https://appshunter.io/ios/app/optical-toolkit/id6464258443)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku Solver AI free?

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

### Is Optical Toolkit free?

Optical Toolkit is free to download, with no in-app purchases.

### Do Sudoku Solver AI or Optical Toolkit have ads?

Sudoku Solver AI shows ads; Optical Toolkit does not.

### Which is updated more often, Sudoku Solver AI or Optical Toolkit?

Sudoku Solver AI ships an update fortnightly, and Optical Toolkit every 12 months. Most recently, Sudoku Solver AI was updated on October 8, 2026 and Optical Toolkit on October 17, 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.*