Comparison

eqSolver vs Mechanical Formula

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Solves simultaneous linear equations
  • Matrix-style input
  • Decimal and exponential number support
  • Symmetric equation option
  • Tablet and phone compatibility
Features
Read full description

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.

About

Mechanical Formula

This app provides over 200 essential mechanical engineering formulas and calculations in a user-friendly tool. It's designed to simplify complex concepts and speed up problem-solving for students, professionals, and educators.

Highlights
  • 200+ mechanical engineering formulas
  • Instant calculations
  • Intuitive interface
  • Real-world application explanations
  • Exam preparation aid
  • Lifetime Premium option
Features
Read full description

The Mechanical Engineering Formula & Calculator app brings together 200+ essential mechanical engineering formulas and calculations in one powerful and easy-to-use tool. Designed specifically for mechanical students, professionals, and educators, this app simplifies complex concepts and makes problem-solving faster and more accurate. Developed by engineers for engineers, this app covers a wide range of mechanical engineering topics, helping users understand the principles behind each formula and how they are applied in real-world scenarios. Whether you are studying, revising, or working on-site, this app serves as your reliable engineering companion. With an intuitive interface, you can easily select any calculator, enter the required values, and get instant results with clear output. No complicated steps — just accurate calculations at your fingertips. Perfect for: - Mechanical engineering students - Practicing engineers - Technical instructors - Exam preparation & quick reference Boost your productivity and master mechanical calculations with confidence. In app purchase included : Lifetime Premium Privacy policy : https://chatlyst.in/privacy.html Terms and condition : https://chatlyst.in/tcondition.html

Screenshots

eqSolver1 screens
Mechanical Formula4 screens

Verdict

The call

The clearest difference is in-app purchases: eqSolver at none against Mechanical Formula's 1. eqSolver also leads on rating (5.0 vs 4.7) and iOS requirement (9.0 vs 13.0). Mechanical Formula's advantage is update cadence (every 4 months vs every 69 months) and ratings volume (34 vs 2). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

eqSolver holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Mechanical Formula has 34 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

eqSolver ships an update every 69 months, Mechanical Formula every 4 months. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

Scorecard6 real differences · 4 level
eqSolver versus Mechanical Formula: the parameters behind the verdict, then further details
ParametereqSolverMechanical Formula
PriceFreeFree
Rating5.0 (2 ratings) — better4.7 (34 ratings)
Positive reviews100.0% of reviews—
Number of ratings234 — better
Update frequencyEvery 69 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size12 MB42 MB
Age rating4+4+
DeveloperKurt GramollKantaben Gorasiya

Customer experience

eqSolver

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Mechanical Formula

All ratings34 ratings
Positive91.2%
Neutral2.9%
Negative5.9%

In-app purchases

None

eqSolver

No in-app purchases

1 purchases

Mechanical Formula

One-time1
  • Lifetime$9.99

Questions

Is eqSolver free?
eqSolver is free to download, with no in-app purchases.
Is Mechanical Formula free?
Mechanical Formula is free to download, with in-app purchases available.
Which has better reviews, eqSolver or Mechanical Formula?
eqSolver is rated higher. eqSolver averages 5.0 out of 5 from 2 ratings, while Mechanical Formula averages 4.7 from 34 ratings.
Do eqSolver or Mechanical Formula have ads?
Neither eqSolver nor Mechanical Formula shows ads.
Which is updated more often, eqSolver or Mechanical Formula?
eqSolver ships an update every 69 months, and Mechanical Formula every 4 months. Most recently, eqSolver was updated on September 9, 2026 and Mechanical Formula on September 19, 2026.

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