Puzzle & Game Solvers
We tested and ranked the only Puzzle & Game Solvers app for Mac — updated August 2026.
Every app here was run on our own Apple-silicon Macs and scored on the published rubric — capability, craft, privacy, value. We watch the network while we test. How we rank →
You are staring at a Sudoku grid — maybe torn from a newspaper, maybe mid-solve on a screen — and you want the answer without uploading the puzzle to some web solver. A puzzle solver that runs entirely on your Mac can read the grid, compute the solution, and hand it back while every digit stays on your hardware. This category covers apps that accept a puzzle or game state — Sudoku grids, card-game hands like Big Two — and calculate the optimal solution or play using on-device AI. We evaluated each entry on four dimensions: how accurately it solves (Capability), how polished the experience is (Craft), whether it keeps data on your machine (Privacy), and whether the price is justified (Value). One app currently leads the category with a genuinely unusual approach. Here is what we found.
The ranking
Sudoku Solver On Device AI
Can ErtenSkips conventional backtracking in favor of a custom encoder-only transformer trained on millions of puzzles, solving any valid 9x9 Sudoku in under 10 milliseconds on the Apple Neural Engine with a built-in correctness-verification layer.
” On-device inference runs in under 10ms on the Apple Neural Engine — test note
How to choose Puzzle & Game Solvers for Mac
With a single-app category you might think there is nothing to compare, but the same criteria will matter as more solvers arrive — and they apply right now if you are deciding whether this tool is worth installing at all. First, solving engine: traditional Sudoku solvers use constraint propagation and backtracking — guaranteed correct for any valid puzzle. The app in this list takes a different path, running a custom transformer through the Apple Neural Engine to predict solutions in a single forward pass, then verifying correctness afterward. The neural approach is impressively fast (sub-10 millisecond inference) though arguably more machinery than the problem demands. Second, input method: camera OCR that reads a printed grid saves you from typing 81 cells by hand. Look for conflict validation on manual entry as a fallback. Third, privacy posture: puzzle grids themselves are low-stakes data, but an app that handles everything on-device with no network traffic is one fewer thing calling home — worth preferring on principle. Fourth, price and scope: a free, single-puzzle-type solver is hard to argue against on value; if a future entrant charges money, its range of supported puzzle types and accuracy should justify the cost.
Questions people ask
How does a neural-network Sudoku solver differ from a traditional algorithm?
A traditional solver applies constraint propagation and backtracking — systematic elimination that guarantees a correct answer for any valid grid. The neural solver in this category uses a custom encoder-only transformer trained on millions of completed puzzles to predict the solution in one forward pass, finishing in under 10 milliseconds on the Apple Neural Engine. A correctness-verification layer runs on top, so real-world accuracy matches deterministic methods.
Can puzzle solver apps on this list work without an internet connection?
Yes. The current entry ships its trained model inside the app bundle and runs inference on the Apple Neural Engine with no server calls at any point. You can scan a printed Sudoku via the built-in Vision OCR, solve it, and remain completely offline the entire time — no account, no data upload, no network permission required.