Sudoku Puzzle Solver vs QR Reader * Barcode Scanner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sudoku Puzzle Solver
This app quickly solves Sudoku puzzles of any difficulty level. It highlights solved cells in green and can identify invalid or unsolvable puzzles. Users can also use a 'PEEK' feature to see possible values for each cell, acting as a manual solving assistant.
- Solves Sudoku puzzles in seconds
- Supports easy, medium, hard, and expert difficulties
- Identifies invalid or unsolvable puzzles
- Highlights solved cells in green
- PEEK feature shows possible cell values
- Acts as a manual solving assistant
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Sudoku Puzzle Solver will solves Sudoku problem within seconds. Sudoku Puzzle Solver has been tested with various Sudoku difficulty levels; easy, medium, hard & expert, it never fails as long as the puzzle is valid. Sudoku Puzzle Solver is easy to use as it is really straight forward. Just tap the cell where the value is known & set it as required by choosing the correct number for the cell. Repeat the process until all known cells are filled. Once all done, just tap SOLVE to let Sudoku Puzzle Solver app do the magic. All the solved cells will be highlighted in green for your reference. It will also tells you if the puzzle that you have provided cannot be solved or an invalid puzzle after it has finished checking. In this case, you have to re-checked, whether the Sudoku puzzle supplied is not matching the Sudoku puzzle that you wanted to solve, perhaps you have input one or more values in the wrong cells. Before solving any Sudoku Puzzle, you can also tap the PEEK button to view all the possible values for each cells for that given Sudoku Puzzle. This is useful if you want to solve the Sudoku Puzzle manually without using the auto solve solution, this way the Sudoku Puzzle Solver app will just act as a helper to you. If you see an empty cell while using the PEEK feature, this means that there is no possible value for that cell (the end). Note that you have to tap on PEEK button everytime after you have updated any cells to update as it will not auto update for you. So what are you waiting for, get Sudoku Puzzle Solver app now & start solving those super difficult Sudoku challenge & puzzle out there in seconds. ** Note that there were very few extremely difficult Sudoku puzzle that we have tested requires a little bit of time to solve them (our record max is 22s). So please be patient while waiting, should you encounter one of the type, thank you & ENJOY!
QR Reader * Barcode Scanner
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QR Reader - Barcode Scanner is a fast, modern QR & barcode scanner with history, batch mode, exports, and smart actions. SCAN ANYWHERE with QR Reader - Barcode Scanner • QR codes + major barcode formats: EAN-13/8, UPC-A/E, Code128/39/93, Codabar, Data Matrix, Aztec, PDF417, ITF-14 • Torch control + haptic & sound feedback SMART RESULTS • Open links, copy content, or share instantly • Wi-Fi QR: view SSID/password and jump to settings • vCard/MeCard: save contacts in one tap • Calendar codes: add events to your calendar • Geo codes: open coordinates in Maps ORGANIZE YOUR SCANS • Full scan history with search in QR Reader - Barcode Scanner • Favorites • Folders for better organization • Export your history to CSV or JSON PRODUCT & BOOK LOOKUP • Lookup product info from barcodes (name, brand, images and more when available) • Identify ISBN books and fetch title/author/cover when available • Quick price-compare shortcuts to popular retailers CREATE QR CODES in QR Reader - Barcode Scanner • Generate QR codes for URL, Text, Wi-Fi, Email, Phone, SMS, vCard, and Location • Save to Photos or share • Pro unlocks advanced customization options Notes: Internet is required for product/book lookup and online search actions. App features may vary by region and device. Thanks for using QR Reader - Barcode Scanner. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://qrreaderscanner.web.app/privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Sudoku Puzzle Solver at none against QR Reader * Barcode Scanner's 3. Sudoku Puzzle Solver also leads on iOS requirement (12.0 vs 15.1). QR Reader * Barcode Scanner's advantage is ads (none vs shown) and update cadence (weekly vs every 38 months). On price and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. QR Reader * Barcode Scanner sells 3 in-app purchases, starting at $0.99 per 7 days. Sudoku Puzzle Solver asks for nothing beyond the download.
Sudoku Puzzle Solver ships an update every 38 months, QR Reader * Barcode Scanner weekly. Both last shipped on September 29, 2026.
| Parameter | Sudoku Puzzle Solver | QR Reader * Barcode Scanner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (18 ratings) — better | — |
| Number of ratings | 18 — better | — |
| Update frequency | Every 38 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 5 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | aZeR DiLLs | ONLINE CLINIC YAZILIM LIMITED SIRKETI |
In-app purchases
Sudoku Puzzle Solver
No in-app purchases
QR Reader * Barcode Scanner
- QR Pro Weekly3 Days trial$0.997 Days
- QR Pro Monthly$2.991 Month
- QR Pro Yearly$19.991 Year
Questions
Is Sudoku Puzzle Solver free?
Is QR Reader * Barcode Scanner free?
Do Sudoku Puzzle Solver or QR Reader * Barcode Scanner have ads?
Which is updated more often, Sudoku Puzzle Solver or QR Reader * Barcode Scanner?
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