# Expression Solver vs Suonos

The clearest difference is device support: Expression Solver at 3 against Suonos's —. Expression Solver also leads on iOS requirement (15.0 vs 17.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Expression Solver | Suonos |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Monthly | — |
| Monetization | Ad-supported | — |
| Size | 47 MB | 38 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Francesco Varotti](https://appshunter.io/developer/1501752853) | [Suonos SAS](https://appshunter.io/developer/1707065479) |

## What reviewers say

### Expression Solver

[App page](https://appshunter.io/ios/app/expression-solver/id1555902561)

This app provides step-by-step solutions for mathematical expressions, helping users improve their math skills. It features a specialized keyboard for easy input of complex numbers and offers practice exercises with detailed explanations.

**Highlights:** Instant expression solving, Step-by-step explanations, Math keyboard for complex input, Practice exercises with solutions, Intuitive interface

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

**In-app purchases:** none


### Suonos

[App page](https://appshunter.io/ios/app/suonos/id6478817179)

**In-app purchases:** none


## Frequently asked questions

### Is Expression Solver free?

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

### Is Suonos free?

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

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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.*