# Number Place Auto Solver — solves Sudoku puzzle in photo.

> solves Sudoku puzzle in photo. (iPhone/iPad app by HIROSHI IMAJO.)

- Source: https://appshunter.io/ios/app/number-place-auto-solver/id1450277030 (this page in markdown: same URL + `.md`)
- Developer: [HIROSHI IMAJO](https://appshunter.io/developer/1424334293)
- Category: Games, Utilities, Board, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 34 MB
- Languages: American English, Japanese
- Released: 2019-01-25
- Data updated: 2026-08-18
- User reviews in markdown: https://appshunter.io/ios/app/number-place-auto-solver/id1450277030/reviews.md

## What is Number Place Auto Solver?

This app "Number Place Auto Solver" can solve the Number Place (Sudoku) puzzles automatically by capturing the puzzle with the camera.
So you can save your time. :)

Steps to get solution are very simple.
1. Take a picture of Number Place (Sudoku) puzzle.
2. Correct the numbers captured, if necessary.
3. Tap "Solve" button and you can get the solution of the question.

This app is useful when
- you participate in prize competitions.
- you want to save your time to solve Number Place (Sudoku) puzzles.
- you confirm whether your solution is correct or not after solving yourself.
- you make a new Number Place puzzle.

Details to use is on the help page below.
https://ojami.net/ios/nps/help/en_2_0_0.html

Licenses
This app uses "OpenCV" under the Apache License 2.0 to extract Sudoku puzzle from photos.
This app uses "SwiftyTesseract" under the MIT License for character recognition.


## Version history (last 5 releases)

### 2.1.2 — 2026-08-15

- Some bugs fixed

### 2.1.1 — 2026-08-10

What’s New in This Version:
- Improved solving algorithm for much faster results.
- Added reward ads to get additional solve credits when running low.
- Performance improvements and UI optimizations.

### 2.0.5 — 2026-05-31

- Update OpenCV Library
- Update UI Layout

### 2.0.3 — 2025-12-22

- Update age policy

### 2.0.0 — 2024-03-25

ver 2.0.0 :
- Improved accuracy in recognizing numbers from puzzle photos.
- Enabled correction of puzzle photo orientation, making it easier to capture puzzles.
- Enabled comparison between puzzle photos and recognized numbers for easier verification of correct puzzle capture.
- Made the position of cells visible when inputting numerical values, making input easier.
- Improved accuracy of solution algorithm.

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## More apps by HIROSHI IMAJO

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All apps by HIROSHI IMAJO: https://appshunter.io/developer/1424334293

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*