# Mars Info vs Simplify & Solve Equation PRO

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.

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.

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.

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.

## The numbers

| Metric | Mars Info | Simplify & Solve Equation PRO |
| --- | --- | --- |
| Price | $6.99 | **$1.99** |
| Rating | [4.3 (159 ratings)](https://appshunter.io/ios/app/mars-info/id1088383309/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/simplify-and-solve-equation-pro/id1500087480/reviews)** |
| Number of ratings | **159** | 3 |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Paid |
| Size | 212 MB | 182 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viktor Goltvyanytsya](https://appshunter.io/developer/556365139) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Mars Info

[App page](https://appshunter.io/ios/app/mars-info/id1088383309)

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:** Vision Pro support

**In-app purchases:** none


### Simplify & Solve Equation PRO

[App page](https://appshunter.io/ios/app/simplify-and-solve-equation-pro/id1500087480)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*