eqSolver vs Free
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eqSolver
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.
- Solves simultaneous linear equations
- Matrix-style input
- Decimal and exponential number support
- Symmetric equation option
- Tablet and phone compatibility
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The eqSolver app calculates the solution for simultaneous linear equations. In math and engineering, it is common to have 3 to 6 equations with 3 to 6 unknowns that need to be solved quickly. This apps provides simple matrix-style input method using either decimal or exponential form. There is an option for symmetric equations (common in engineering) to reduce the input effort. The app is simple but elegant and can be used on tablets or phones.
Free
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This app consists of multiple mini games in which users learn and practice skills critical to the development of Free-Body Diagrams. This is a fundamental skill for engineers, generally learned in an Introduction to Statics or Mechanics course. The app provides users with asynchronous opportunities for training, varied tasks that target specific FBD issues, and several levels of immediate feedback.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | eqSolver | Free |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 69 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 12 MB | 602 MB |
| Age rating | 4+ | 4+ |
| Developer | Kurt Gramoll | Worcester Polytechnic Institute |
In-app purchases
eqSolver
No in-app purchases
Free
No in-app purchases
