# Soduku Solver Solution vs Encouraging calculator

The clearest difference is ads: Soduku Solver Solution at none against Encouraging calculator's shown. Soduku Solver Solution also leads on iOS requirement (12.2 vs 15.8.3). Encouraging calculator's advantage is update cadence (every 2 weeks vs every 3 months). On price, 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.

Soduku Solver Solution ships an update every 3 months, Encouraging calculator every 2 weeks. The most recent releases landed on October 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Soduku Solver Solution | Encouraging calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/soduku-solver-solution/id1471769337/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 6 MB | 36 MB |
| Requires iOS | **12.2** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ramesh Batra](https://appshunter.io/developer/1457012410) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Soduku Solver Solution

[App page](https://appshunter.io/ios/app/soduku-solver-solution/id1471769337)

This app helps you solve 9x9 Sudoku puzzles from newspapers or magazines. Simply input the known digits, and it will instantly provide the solution. It also explains the basic rules of Sudoku and how difficulty levels are determined.

**Highlights:** Instant Sudoku solution finder, Input known digits for puzzles, Explains Sudoku rules, Defines difficulty levels

**Features:** macOS Compatibility

**In-app purchases:** none


### Encouraging calculator

[App page](https://appshunter.io/ios/app/encouraging-calculator/id6502799928)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Soduku Solver Solution free?

Soduku Solver Solution is free to download, with no in-app purchases.

### Is Encouraging calculator free?

Encouraging calculator is free to download, with no in-app purchases.

### Do Soduku Solver Solution or Encouraging calculator have ads?

Encouraging calculator shows ads; Soduku Solver Solution does not.

### Which is updated more often, Soduku Solver Solution or Encouraging calculator?

Soduku Solver Solution ships an update every 3 months, and Encouraging calculator every 2 weeks. Most recently, Soduku Solver Solution was updated on October 22, 2026 and Encouraging calculator on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*