Comparison

Mars Info vs Simplify & Solve Equation PRO

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

Head to head
About

Mars Info

Explore the Red Planet with an interactive 3D globe. Discover and learn about key Martian locations like volcanoes, craters, and mountains. View detailed information including size and coordinates for each point of interest.

Highlights
  • Interactive 3D globe with gesture controls
  • Pinpoint 80+ interesting Martian locations
  • Detailed information on locations
  • Zoom, rotate, and tilt controls
  • List of selectable locations
Features
Read full description

Explore Mars using simple gestures to rotate a globe, tilt, zoom and select locations. Credits - Viking Orbiter MDIM 2.1 map of Mars - NASA NASA's Scientific Visualization Studio: GMM-3 MOLA (Mars Orbiter Laser Altimeter) Topography map GMM-3 Free-Air Mars Gravity map GMM-3 Bouguer Mars Gravity map GMM-3 Crustal Mars Thickness map Features: - Ability to pinpoint about 80 the most interesting areas on the map of Mars, including volcanos, craters, plains, mountains, spacecrafts. - Displaying some information about the location, such as its name, type, short description, size and coordinates. - Ability to select locations on the 3D globe and on the plain list. - Zoom, rotation, tilt of the globe.

About

Simplify & Solve Equation PRO

This app quickly finds the solution for 'x' in algebraic equations. It shows every step of the simplification process, from complex terms to a simple form, before solving numerically. Supports decimals, constants, and variables, with a history function to save inputs.

Highlights
  • Solves algebraic equations for 'x'
  • Shows step-by-step simplification
  • Numeric algorithm for solutions
  • Supports decimals, constants, and variables
  • History function to save inputs
  • Highlights incorrect entries
Features
Read full description

Find x of an algebraic equation in less than a second. You have both sides of an equation where you can enter your algebraic terms. After entering the algebraic terms this app shows every step how to transform your complicated equation into a very simple one. In the end a numeric algorithm solves the simplified equation and provides the solution for x. It finds x (or the zeros of a function). [ Content ] - the mathmatical terms must be entered - simplification of the equation and solving x - history function that saves input - detailed solution - the entering of decimals is supported - constants and variables can be entered - no ads! [ Usage ] - there are 2 fields for entering the mathmatical terms ​​using a modified keyboard - if you have entered wrong values the text fields are highlighted - you can switch between the solution, input view and history by swiping and / or touching the buttons - the entries in the history can be deleted or sorted manually - if you select an entry in the history, it will be loaded automatically for the calculation - the entire history can be deleted by pressing a key

Screenshots

Mars Info4 screens
Simplify & Solve Equation PRO3 screens

Verdict

The call

The clearest difference is rating: Simplify & Solve Equation PRO at 5.0 against Mars Info's 4.3. Simplify & Solve Equation PRO also leads on price ($1.99 vs $6.99) and update cadence (monthly vs every 2 months). Mars Info's advantage is ratings volume (159 vs 3). On 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

CostPrice · In-app purchases · Ads · Monetization

Mars Info costs $6.99 and Simplify & Solve 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

Simplify & Solve Equation PRO holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Mars Info has 159 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Mars Info ships an update every 2 months, Simplify & Solve Equation PRO monthly. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

Scorecard6 real differences · 4 level
Mars Info versus Simplify & Solve Equation PRO: the parameters behind the verdict, then further details
ParameterMars InfoSimplify & Solve Equation PRO
Price$6.99$1.99 — better
Rating4.3 (159 ratings)5.0 (3 ratings) — better
Positive reviews41.7% of reviews—
Number of ratings159 — better3
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, Mac, Apple TV — betteriPhone, iPad, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size212 MB182 MB
Age rating4+4+
DeveloperViktor GoltvyanytsyaGlindemann, Sennoun, Langer GbR

Customer experience

Mars Info

All ratings159 ratings
Positive81.8%
Neutral5.0%
Negative13.2%
Written reviews12 reviews
Positive41.7%
Neutral8.3%
Negative50.0%

Simplify & Solve Equation PRO

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Mars Info

No in-app purchases

None

Simplify & Solve Equation PRO

No in-app purchases

Questions

Is Mars Info free?
Mars Info costs $6.99, with no in-app purchases.
Is Simplify & Solve Equation PRO free?
Simplify & Solve Equation PRO costs $1.99, with no in-app purchases.
Which has better reviews, Mars Info or Simplify & Solve Equation PRO?
Simplify & Solve Equation PRO is rated higher. Mars Info averages 4.3 out of 5 from 159 ratings, while Simplify & Solve Equation PRO averages 5.0 from 3 ratings.
Do Mars Info or Simplify & Solve Equation PRO have ads?
Neither Mars Info nor Simplify & Solve Equation PRO shows ads.
Which is updated more often, Mars Info or Simplify & Solve Equation PRO?
Mars Info ships an update every 2 months, and Simplify & Solve Equation PRO monthly. Most recently, Mars Info was updated on October 21, 2026 and Simplify & Solve Equation PRO on October 18, 2026.

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