# Logarithms vs Inequality & System Solver

The clearest difference is review sentiment: Inequality & System Solver at 100% against Logarithms's 57%. Inequality & System Solver also leads on rating (4.2 vs 3.2) and in-app purchases (none vs 3). Logarithms's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, ratings volume and device support there is nothing between them.

Both are free to download. Logarithms sells 3 one-off in-app purchases. Inequality & System Solver asks for nothing beyond the download.

Inequality & System Solver holds the better App Store score, 4.2 against 3.2. Both are backed by a comparable volume of ratings — 18 and 9 respectively. Written reviews point the same way: 57% of Logarithms's written reviews are positive against 100% of Inequality & System Solver's.

Logarithms ships an update every 5 months, Inequality & System Solver every 2 months. The most recent releases landed on September 10, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Logarithms | Inequality & System Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (18 ratings)](https://appshunter.io/ios/app/logarithms/id1138691565/reviews) | **[4.2 (9 ratings)](https://appshunter.io/ios/app/inequality-and-system-solver/id1525084466/reviews)** |
| Number of ratings | **18** | 9 |
| Positive reviews | 57.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 7 MB | 47 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Grassi](https://appshunter.io/developer/741665024) | [Francesco Varotti](https://appshunter.io/developer/1501752853) |

## What reviewers say

### Logarithms

[App page](https://appshunter.io/ios/app/logarithms/id1138691565)

This app generates and solves logarithmic equations and expressions, offering a tool for students and teachers. It includes five difficulty levels, with the option to export LaTeX code for professional scripts. The app works offline and provides a calculator for logarithms to any base.

**Highlights:** Generates unique logarithmic equations and expressions, Provides complete step-by-step solutions, Supports simplifying and expanding logarithmic expressions, Includes a calculator for logarithms to any base, Works 100% offline, Exports LaTeX code for professional scripts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlocks the Medium Level | $0.99 | one-time |
| Unlocks the Difficult Level | $0.99 | one-time |
| export LaTeX | $1.99 | one-time |


### Inequality & System Solver

[App page](https://appshunter.io/ios/app/inequality-and-system-solver/id1525084466)

This app provides step-by-step solutions for inequalities and systems of inequalities. It includes practice exercises, theory pages, and a dedicated math keyboard for easy input. Ideal for students and math enthusiasts seeking to understand and solve mathematical challenges.

**Highlights:** Step-by-step inequality solutions, Systems of inequalities solver, Practice exercises with solutions, Integrated theory pages, Dedicated math keyboard

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

**In-app purchases:** none


## Frequently asked questions

### Is Logarithms free?

Logarithms is free to download, with in-app purchases available.

### Is Inequality & System Solver free?

Inequality & System Solver is free to download, with no in-app purchases.

### Which has better reviews, Logarithms or Inequality & System Solver?

Inequality & System Solver is rated higher. Logarithms averages 3.2 out of 5 from 18 ratings, while Inequality & System Solver averages 4.2 from 9 ratings.

### Do Logarithms or Inequality & System Solver have ads?

Inequality & System Solver shows ads; Logarithms does not.

### Which is updated more often, Logarithms or Inequality & System Solver?

Logarithms ships an update every 5 months, and Inequality & System Solver every 2 months. Most recently, Logarithms was updated on September 10, 2026 and Inequality & System Solver on September 3, 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.*