Sub Zero vs Sudoku Scan & Solver
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sub Zero
Explore a collapsing deep-sea base as a lone survivor. Solve intricate puzzles and uncover secrets to save humanity from extinction. Your choices will determine the fate of everyone.
- Retro-futuristic puzzle adventure
- Deep-sea base exploration
- Intricate puzzle solving
- Uncover secrets of Project Abyssus 2
- Story-driven choices
- AI companion guidance
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Sub Zero is a retro-futuristic puzzle adventure set in the depths of Earth’s last refuge, Triton 631, a fragile deep-sea base tasked with saving humanity. As a young boy left behind during a critical midnight mission, you awaken to find the base on the brink of collapse. Alone, with only the guidance of the base’s AI, Kibbo, you must explore its deteriorating halls, solve intricate puzzles, and uncover the secrets of Project Abyssus 2, humanity’s desperate attempt to harness geothermal energy. Navigate the haunting remnants of a dying world, piece together the story of the crew, and face choices that could mean salvation—or the end—for everyone.
Sudoku Scan & Solver
Effortlessly solve any Sudoku puzzle by scanning or uploading an image. Get instant solutions, check for mistakes, and edit the board with an intuitive interface suitable for all skill levels.
- Scan Sudoku puzzles from photos
- Instant puzzle solving
- Mistake highlighting
- Board editing
- Intuitive interface
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Sudoku Scan & Solve lets you capture or upload any Sudoku puzzle and get the solution in seconds! Features - Fast Scan: Snap a photo or choose an image for instant recognition - Instant Solve: Even the toughest puzzles are solved in a flash - Mistake Check: Highlight incorrect cells with clear visual feedback - Board Edit: Adjust or input numbers freely - Simple & Intuitive: Designed for both beginners and Sudoku masters Whether you’re practicing, tackling hard challenges, or aiming for prize contests, Sudoku Scan & Solve makes it effortless. Say goodbye to unsolved puzzles—scan, solve, and play smarter today!
Screenshots
Verdict
The clearest difference is review sentiment: Sudoku Scan & Solver at 100% against Sub Zero's 0%. Sudoku Scan & Solver also leads on rating (5.0 vs 1.0). Sub Zero's advantage is ads (none vs shown) and update cadence (daily vs weekly). On price, ratings volume, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Sudoku Scan & Solver holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of Sub Zero's written reviews are positive against 100% of Sudoku Scan & Solver's.
Sub Zero ships an update daily, Sudoku Scan & Solver weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.
| Parameter | Sub Zero | Sudoku Scan & Solver |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 1 |
| Update frequency | Daily — better | Weekly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 360 MB | 247 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Sandkvist | Tomoaki Okubo |
Customer experience
Sub Zero
Sudoku Scan & Solver
In-app purchases
Sub Zero
No in-app purchases
Sudoku Scan & Solver
No in-app purchases
Questions
Is Sub Zero free?
Is Sudoku Scan & Solver free?
Which has better reviews, Sub Zero or Sudoku Scan & Solver?
Do Sub Zero or Sudoku Scan & Solver have ads?
Which is updated more often, Sub Zero or Sudoku Scan & Solver?
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