# Sudoku Solver & Variants vs educa.city

The clearest difference is ads: educa.city at none against Sudoku Solver & Variants's shown. educa.city also leads on review sentiment (20% vs 0%) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sudoku Solver & Variants ships an update every 6 weeks, educa.city every 2 months. The most recent releases landed on September 17, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Sudoku Solver & Variants | educa.city |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17 ratings)](https://appshunter.io/ios/app/sudoku-solver-and-variants/id1545717889/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 0.0% of reviews | **20.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 45 MB | 44 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Varotti](https://appshunter.io/developer/1501752853) | [NUCLEO SOFTWARE S A S](https://appshunter.io/developer/1576595829) |

## What reviewers say

### Sudoku Solver & Variants

[App page](https://appshunter.io/ios/app/sudoku-solver-and-variants/id1545717889)

This app helps you solve, verify, and get suggestions for Sudoku puzzles. It supports various sizes and variants, offering instant hints or full solutions. Perfect for beginners and experts alike, it ensures accurate results with advanced algorithms.

**Highlights:** Instant Sudoku resolution, Solution verification, Hints and suggestions, Support for variants and sizes, Intuitive interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### educa.city

[App page](https://appshunter.io/ios/app/educacity/id1576595827)

Access your class schedule, assignments, grades, virtual classes, and online exams. Stay updated on upcoming activities and review your academic history with filters. Take exams directly through the app and get instant results.

**Highlights:** Class schedule and assignments, Virtual class access, Grades and final results, Online exam taking, Academic history filters, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku Solver & Variants free?

Sudoku Solver & Variants is free to download, with no in-app purchases.

### Is educa.city free?

educa.city is free to download, with no in-app purchases.

### Do Sudoku Solver & Variants or educa.city have ads?

Sudoku Solver & Variants shows ads; educa.city does not.

### Which is updated more often, Sudoku Solver & Variants or educa.city?

Sudoku Solver & Variants ships an update every 6 weeks, and educa.city every 2 months. Most recently, Sudoku Solver & Variants was updated on September 17, 2026 and educa.city on June 4, 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.*