# eqSolver vs Free

The clearest difference is update cadence: Free at every 4 days against eqSolver's every 69 months. eqSolver's advantage is iOS requirement (9.0 vs 11.0). On price, ads, 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.

eqSolver ships an update every 69 months, Free every 4 days. The most recent releases landed on October 11, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | eqSolver | Free |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/eqsolver/id1090792086/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 69 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 12 MB | 602 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kurt Gramoll](https://appshunter.io/developer/782218116) | [Worcester Polytechnic Institute](https://appshunter.io/developer/721911531) |

## What reviewers say

### eqSolver

[App page](https://appshunter.io/ios/app/eqsolver/id1090792086)

This app solves simultaneous linear equations quickly and efficiently. It offers a matrix-style input for decimal or exponential numbers, with an option for symmetric equations to simplify input. Ideal for math and engineering students and professionals.

**Highlights:** Solves simultaneous linear equations, Matrix-style input, Decimal and exponential number support, Symmetric equation option, Tablet and phone compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Free

[App page](https://appshunter.io/ios/app/free-body-diagram/id6471265397)

**In-app purchases:** none


## Frequently asked questions

### Is eqSolver free?

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

### Is Free free?

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

### Do eqSolver or Free have ads?

Neither eqSolver nor Free shows ads.

### Which is updated more often, eqSolver or Free?

eqSolver ships an update every 69 months, and Free every 4 days. Most recently, eqSolver was updated on October 11, 2026 and Free on October 27, 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.*