# Mars Info vs Power and Logarithm PRO

The clearest difference is review sentiment: Power and Logarithm PRO at 100% against Mars Info's 42%. Power and Logarithm PRO also leads on rating (5.0 vs 4.3) and price ($1.99 vs $6.99). Mars Info's advantage is ratings volume (159 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

Mars Info costs $6.99 and Power and Logarithm PRO $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Power and Logarithm 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 1, so its average is the more settled of the two. Written reviews point the same way: 42% of Mars Info's written reviews are positive against 100% of Power and Logarithm PRO's.

Mars Info ships an update every 2 months, Power and Logarithm PRO monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Mars Info | Power and Logarithm PRO |
| --- | --- | --- |
| Price | $6.99 | **$1.99** |
| Rating | [4.3 (159 ratings)](https://appshunter.io/ios/app/mars-info/id1088383309/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/power-and-logarithm-pro/id1662900283/reviews)** |
| Number of ratings | **159** | 1 |
| Positive reviews | 41.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 212 MB | 183 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


### Power and Logarithm PRO

[App page](https://appshunter.io/ios/app/power-and-logarithm-pro/id1662900283)

Explore exponential and logarithmic functions with step-by-step solutions and interactive graphing. Adjust parameters to visualize their impact on curves and understand inverse relationships. Supports decimals, fractions, and negative values, with a history of calculations.

**Highlights:** Step-by-step solutions, Interactive graphing, Parameter adjustment, Inverse function visualization, History of calculations, Decimal, fraction, and negative value support

**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 Power and Logarithm PRO free?

Power and Logarithm PRO costs $1.99, with no in-app purchases.

### Which has better reviews, Mars Info or Power and Logarithm PRO?

Power and Logarithm PRO is rated higher. Mars Info averages 4.3 out of 5 from 159 ratings, while Power and Logarithm PRO averages 5.0 from 1 ratings.

### Do Mars Info or Power and Logarithm PRO have ads?

Neither Mars Info nor Power and Logarithm PRO shows ads.

### Which is updated more often, Mars Info or Power and Logarithm PRO?

Mars Info ships an update every 2 months, and Power and Logarithm PRO monthly. Most recently, Mars Info was updated on November 2, 2026 and Power and Logarithm PRO 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.*