# eqSolver vs EnginPrep

The clearest difference is rating: eqSolver at 5.0 against EnginPrep's 4.4. eqSolver also leads on review sentiment (100% vs 62%) and in-app purchases (none vs 1). EnginPrep's advantage is update cadence (every 3 weeks vs every 69 months) and ratings volume (192 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. EnginPrep sells 1 one-off in-app purchase. eqSolver asks for nothing beyond the download.

eqSolver holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: EnginPrep has 192 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of eqSolver's written reviews are positive against 62% of EnginPrep's.

eqSolver ships an update every 69 months, EnginPrep every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | eqSolver | EnginPrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/eqsolver/id1090792086/reviews)** | [4.4 (192 ratings)](https://appshunter.io/ios/app/enginprep-fe-exam-prep/id1519694401/reviews) |
| Number of ratings | 2 | **192** |
| Positive reviews | **100.0% of reviews** | 61.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 69 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 12 MB | 45 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kurt Gramoll](https://appshunter.io/developer/782218116) | [EnginPeers LLC](https://appshunter.io/developer/1368846655) |

## 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


### EnginPrep

[App page](https://appshunter.io/ios/app/enginprep-fe-exam-prep/id1519694401)

Prepare for the FE Civil and Mechanical exams with daily practice problems and comprehensive review lessons. Track your progress, identify weak spots, and take timed mock exams. Sync your learning across devices with a single account.

**Highlights:** Daily FE practice problems, Worked solutions for all problems, Topic-specific content review, Timed mock exams, Weak spot identification drills, Progress tracking and syncing, Cross-device compatibility

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Content | $4.99 | one-time |


## Frequently asked questions

### Is eqSolver free?

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

### Is EnginPrep free?

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

### Which has better reviews, eqSolver or EnginPrep?

eqSolver is rated higher. eqSolver averages 5.0 out of 5 from 2 ratings, while EnginPrep averages 4.4 from 192 ratings.

### Do eqSolver or EnginPrep have ads?

Neither eqSolver nor EnginPrep shows ads.

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

eqSolver ships an update every 69 months, and EnginPrep every 3 weeks. Most recently, eqSolver was updated on November 2, 2026 and EnginPrep on November 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.*