# Sudoku Solver AI vs Cross Check Security

The clearest difference is review sentiment: Cross Check Security at 100% against Sudoku Solver AI's 50%. Cross Check Security also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 4). Sudoku Solver AI's advantage is price (Free vs $0.99) and update cadence (fortnightly vs every 9 months). On ratings volume, device support and iOS requirement there is nothing between them.

Sudoku Solver AI is free to download; Cross Check Security costs $0.99 up front. Sudoku Solver AI sells 4 in-app purchases, starting at $4.99 per month. Cross Check Security asks for nothing beyond the download.

Cross Check Security holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 50% of Sudoku Solver AI's written reviews are positive against 100% of Cross Check Security's.

Sudoku Solver AI ships an update fortnightly, Cross Check Security every 9 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sudoku Solver AI | Cross Check Security |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/sudoku-solver-ai-hints/id1450071180/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cross-check-security/id6468893435/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 9 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 84 MB | 10 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mohit Singi](https://appshunter.io/developer/1008735375) | [Christopher Shearer](https://appshunter.io/developer/1710828199) |

## 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 | $4.99 | per month |
| 1 Year | $7.99 | per year |
| 6 Month | $7.99 | per 6 months |
| Life Time Pro | $9.99 | one-time |


### Cross Check Security

[App page](https://appshunter.io/ios/app/cross-check-security/id6468893435)

Analyze files, URLs, and QR codes for security threats using VirusTotal reports. Modify complex URLs and create custom QR codes. Scan QR codes to preview content before activation.

**Highlights:** File analysis via VirusTotal, URL reporting and modification, QR code scanning, QR code generation, API key integration

**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 Cross Check Security free?

Cross Check Security costs $0.99, with no in-app purchases.

### Which has better reviews, Sudoku Solver AI or Cross Check Security?

Cross Check Security is rated higher. Sudoku Solver AI averages 3.0 out of 5 from 2 ratings, while Cross Check Security averages 5.0 from 1 ratings.

### Do Sudoku Solver AI or Cross Check Security have ads?

Sudoku Solver AI shows ads; Cross Check Security does not.

### Which is updated more often, Sudoku Solver AI or Cross Check Security?

Sudoku Solver AI ships an update fortnightly, and Cross Check Security every 9 months. Most recently, Sudoku Solver AI was updated on November 2, 2026 and Cross Check Security on November 3, 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.*