Comparison

Unit Converter Pro HD. vs Solving Linear Equation PRO

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

Head to head
About

Unit Converter Pro HD.

Easily convert between over 700 units of measure across 30 categories. This powerful tool acts as a universal assistant for all your conversion needs, saving you time and effort.

Highlights
  • 30 conversion categories
  • Over 700 units of measure
  • Backspace key for corrections
  • Intuitive and easy to use
  • Supports Dark Mode
Features
Read full description

The most powerful unit converter in the market. Helps you make easy conversion between more than 700+ various units of measure in 30 categories. Discover a universal assistant for all of your unit conversion needs. Features: √ 30 Categories √ 700+ Units of Measure √ Backspace key √ Extremely Easy-to-Use √ Supports Dark Mode Save Your Time. Quickly & Easily! Universer Unit Converter Pro HD URL scheme is "EWUnitConverterPro://"

About

Solving Linear Equation PRO

Solve linear equations with detailed, step-by-step solutions and visualize the results with plots. Save and access past calculations through a history function, and easily share your final answers.

Highlights
  • Step-by-step equation solving
  • Plotting of results
  • Calculation history
  • Input validation
  • Decimal and fraction support
  • Solution sharing
Features
Read full description

This app solves linear equations step by step and plots the result. All the performed calculations are stored in the history. Just enter m, n or two coordinate points and the equation is solved. The final solution can be shared. [ What you get ] - solving logic for different inputs like: - two points - one point and slope - one point and intersection with axis of ordinates - linear equation and x coordinate - linear equation and y coordinate - the input supports decimals and fractions - plot of the result - history function that keeps your given inputs - full solution shown in all necessary steps - no ads! [ How to use ] - there are 6 fields where you can insert any value with a modified keyboard - m for the slope - n for the intersection with the axis of ordinates - x1, y1 and x2, y2 as coordinates for the points - if you enter 3 or 4 values (depending on the calculation you need) and hit the calculate button, the app switches to the solution page - when you hit the calculate button without giving enough values, the app marks it as yellow - when you hit the calculate button with giving invalid values, the app marks it as red - you can tap and/or swipe to get to the solution or history page - the history entries can be deleted or put in order manually - if you click on one history entry, the app will load it to the inputs - you can delete all history entries by using a button

Screenshots

Unit Converter Pro HD.3 screens
Solving Linear Equation PRO4 screens

Verdict

The call

Unit Converter Pro HD. and Solving Linear Equation PRO both sit at 4.6 stars, but that hides the real split: 87% of Unit Converter Pro HD.'s written reviews are positive against 0% of Solving Linear Equation PRO's. Unit Converter Pro HD. also leads on ratings volume (185 vs 22) and price ($0.99 vs $1.99). Solving Linear Equation PRO's advantage is update cadence (every 3 weeks vs every 2 months). On rating, ads, in-app purchases and monetization model 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

Unit Converter Pro HD. costs $0.99 and Solving Linear Equation PRO $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Unit Converter Pro HD. against 4.6 for Solving Linear Equation PRO. That said, the two scores are not equally well evidenced: Unit Converter Pro HD. has 185 ratings behind it against 22, so its average is the more settled of the two. Written reviews are what separate them: 87% of Unit Converter Pro HD.'s written reviews are positive against 0% of Solving Linear Equation PRO's.

UpkeepUpdate frequency

Unit Converter Pro HD. ships an update every 2 months, Solving Linear Equation PRO every 3 weeks. The most recent releases landed on September 23, 2026 and September 2, 2026 respectively.

Scorecard5 real differences · 5 level
Unit Converter Pro HD. versus Solving Linear Equation PRO: the parameters behind the verdict, then further details
ParameterUnit Converter Pro HD.Solving Linear Equation PRO
Price$0.99 — better$1.99
Rating4.6 (185 ratings)4.6 (22 ratings)
Positive reviews86.7% of reviews — better0.0% of reviews
Number of ratings185 — better22
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size13 MB179 MB
Age rating4+4+
Developer良峰 侯Glindemann, Sennoun, Langer GbR

Customer experience

Unit Converter Pro HD.

All ratings185 ratings
Positive90.8%
Neutral3.2%
Negative5.9%
Written reviews330 reviews
Positive86.7%
Neutral4.2%
Negative9.1%

Solving Linear Equation PRO

All ratings22 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Unit Converter Pro HD.

Reported bugs

2 issues
  • Incorrect fuel consumption conversions
  • Conversion values disappearing after update

Requested features

4 requests
  • Add support for more units (e.g. knots, stone, electron volts)
  • Improve navigation and make it easier to find desired units
  • Add portrait mode support
  • Optimize interface for better usability

Solving Linear Equation PRO

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Unit Converter Pro HD.

No in-app purchases

None

Solving Linear Equation PRO

No in-app purchases

Questions

Is Unit Converter Pro HD. free?
Unit Converter Pro HD. costs $0.99, with no in-app purchases.
Is Solving Linear Equation PRO free?
Solving Linear Equation PRO costs $1.99, with no in-app purchases.
Which has better reviews, Unit Converter Pro HD. or Solving Linear Equation PRO?
Unit Converter Pro HD. and Solving Linear Equation PRO are both rated 4.6 out of 5 on the App Store, from 185 and 22 ratings respectively.
Do Unit Converter Pro HD. or Solving Linear Equation PRO have ads?
Neither Unit Converter Pro HD. nor Solving Linear Equation PRO shows ads.
Which is updated more often, Unit Converter Pro HD. or Solving Linear Equation PRO?
Unit Converter Pro HD. ships an update every 2 months, and Solving Linear Equation PRO every 3 weeks. Most recently, Unit Converter Pro HD. was updated on September 23, 2026 and Solving Linear Equation PRO on September 2, 2026.

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