# Inequality & System Solver vs Logarithm Solver

The clearest difference is rating: Logarithm Solver at 5.0 against Inequality & System Solver's 4.2. Logarithm Solver also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). Inequality & System Solver's advantage is in-app purchases (none vs 8) and ratings volume (9 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Logarithm Solver sells 8 one-off in-app purchases. Inequality & System Solver asks for nothing beyond the download.

Logarithm Solver holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Inequality & System Solver has 9 ratings behind it against 1, so its average is the more settled of the two.

Inequality & System Solver ships an update every 2 months, Logarithm Solver every 3 weeks. The most recent releases landed on September 3, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Inequality & System Solver | Logarithm Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (9 ratings)](https://appshunter.io/ios/app/inequality-and-system-solver/id1525084466/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/logarithm-solver/id1662897193/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 47 MB | 180 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Varotti](https://appshunter.io/developer/1501752853) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### 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


### Logarithm Solver

[App page](https://appshunter.io/ios/app/logarithm-solver/id1662897193)

Instantly solve math homework and prepare for exams with step-by-step logarithm solutions. This free app provides 24/7 access to calculations and helpful learning resources. Optional purchase options are available for high-volume users.

**Highlights:** Step-by-step logarithm solutions, Instant calculation of any variable, Overview of key logarithm rules, Curated learning videos, Feedback for incorrect inputs, Manage saved solutions

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $1.99 | one-time |
| Lifetime Access | $1.99 | one-time |


## Frequently asked questions

### Is Inequality & System Solver free?

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

### Is Logarithm Solver free?

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

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

Logarithm Solver is rated higher. Inequality & System Solver averages 4.2 out of 5 from 9 ratings, while Logarithm Solver averages 5.0 from 1 ratings.

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

Inequality & System Solver shows ads; Logarithm Solver does not.

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

Inequality & System Solver ships an update every 2 months, and Logarithm Solver every 3 weeks. Most recently, Inequality & System Solver was updated on September 3, 2026 and Logarithm Solver on August 26, 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.*