# U Scientific calculator vs Multi Puzzle Solver

The clearest difference is review sentiment: Multi Puzzle Solver at 67% against U Scientific calculator's 0%. Multi Puzzle Solver also leads on rating (5.0 vs 4.3) and ads (none vs shown). U Scientific calculator's advantage is price (Free vs $2.99) and update cadence (every 2 months vs every 22 months). On in-app purchases, device support and iOS requirement there is nothing between them.

U Scientific calculator is free to download; Multi Puzzle Solver costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Multi Puzzle Solver holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 19 and 4 respectively. Written reviews point the same way: 0% of U Scientific calculator's written reviews are positive against 67% of Multi Puzzle Solver's.

U Scientific calculator ships an update every 2 months, Multi Puzzle Solver every 22 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | U Scientific calculator | Multi Puzzle Solver |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.3 (19 ratings)](https://appshunter.io/ios/app/u-scientific-calculator/id1306866689/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/multi-puzzle-solver/id1415700450/reviews)** |
| Number of ratings | **19** | 4 |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 22 months |
| Monetization | **Ad-supported** | Paid |
| Size | 5 MB | 3 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [Aliaksandr Uvarau](https://appshunter.io/developer/960171474) |

## What reviewers say

### U Scientific calculator

[App page](https://appshunter.io/ios/app/u-scientific-calculator/id1306866689)

This app functions as a scientific and engineering calculator, suitable for students, scientists, and professionals. It handles basic math, trigonometric functions, logarithms, exponents, and more, with the ability to edit past calculations.

**Highlights:** Scientific calculations, Engineering calculations, Trigonometric functions, Logarithm calculations, Exponent calculations, History editing

**In-app purchases:** none


### Multi Puzzle Solver

[App page](https://appshunter.io/ios/app/multi-puzzle-solver/id1415700450)

Instantly solve newspaper and magazine puzzles by entering digits. This app automatically resolves Sudoku variants, Futoshiki, and Binary puzzles of various sizes.

**Highlights:** Sudoku solver (9x9), Sudoku-X solver (9x9), Inequality Sudoku solver (9x9), Futoshiki solver (4x4 to 9x9), Binary solver (4x4 to 14x14), Instant puzzle solutions

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

**In-app purchases:** none


## Frequently asked questions

### Is U Scientific calculator free?

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

### Is Multi Puzzle Solver free?

Multi Puzzle Solver costs $2.99, with no in-app purchases.

### Which has better reviews, U Scientific calculator or Multi Puzzle Solver?

Multi Puzzle Solver is rated higher. U Scientific calculator averages 4.3 out of 5 from 19 ratings, while Multi Puzzle Solver averages 5.0 from 4 ratings.

### Do U Scientific calculator or Multi Puzzle Solver have ads?

U Scientific calculator shows ads; Multi Puzzle Solver does not.

### Which is updated more often, U Scientific calculator or Multi Puzzle Solver?

U Scientific calculator ships an update every 2 months, and Multi Puzzle Solver every 22 months. Most recently, U Scientific calculator was updated on October 24, 2026 and Multi Puzzle Solver on October 14, 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.*