# Sol Explorer vs Mental Math Games & Quiz

The clearest difference is in-app purchases: Sol Explorer at none against Mental Math Games & Quiz's 1. Sol Explorer also leads on ads (none vs shown) and rating (5.0 vs 4.5). Mental Math Games & Quiz's advantage is update cadence (every 6 months vs every 86 months) and ratings volume (212 vs 6). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Mental Math Games & Quiz sells 1 one-off in-app purchase. Sol Explorer asks for nothing beyond the download.

Sol Explorer holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Mental Math Games & Quiz has 212 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 100% of Sol Explorer's written reviews are positive against 73% of Mental Math Games & Quiz's.

Sol Explorer ships an update every 86 months, Mental Math Games & Quiz every 6 months. The most recent releases landed on November 6, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Sol Explorer | Mental Math Games & Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/sol-explorer/id556558274/reviews)** | [4.5 (212 ratings)](https://appshunter.io/ios/app/mental-math-games-and-quiz/id1040454431/reviews) |
| Number of ratings | 6 | **212** |
| Positive reviews | **100.0% of reviews** | 72.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 86 months | **Every 6 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 268 MB | 83 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Reason Interactive](https://appshunter.io/developer/333333690) | [Kakadoo](https://appshunter.io/developer/1826984152) |

## What reviewers say

### Sol Explorer

[App page](https://appshunter.io/ios/app/sol-explorer/id556558274)

Experience our Solar System from a first-person perspective in your own spaceship. Explore planets, moons, and space probes, traveling billions of miles across the cosmos. Learn about over 40 celestial objects and gain new perspectives on Earth and beyond.

**Highlights:** First-person spaceship exploration, Travel across the entire Solar System, Learn about 40+ celestial objects, Explore planets, moons, and probes, View from the edge of interstellar space, Size comparison videos

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Mental Math Games & Quiz

[App page](https://appshunter.io/ios/app/mental-math-games-and-quiz/id1040454431)

This app offers a fun way to practice math skills for all ages. It includes a learning mode for structured practice with various operations and a game mode for quick, timed challenges to improve mental math abilities. Detailed statistics and leaderboards are available to track progress.

**Highlights:** Learning mode for structured practice, Game mode for timed challenges, Multiplication table training, Addition, subtraction, multiplication, division, Detailed statistics, Leaderboard

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads free | $0.99 | one-time |


## Frequently asked questions

### Is Sol Explorer free?

Sol Explorer is free to download, with no in-app purchases.

### Is Mental Math Games & Quiz free?

Mental Math Games & Quiz is free to download, with in-app purchases available.

### Which has better reviews, Sol Explorer or Mental Math Games & Quiz?

Sol Explorer is rated higher. Sol Explorer averages 5.0 out of 5 from 6 ratings, while Mental Math Games & Quiz averages 4.5 from 212 ratings.

### Do Sol Explorer or Mental Math Games & Quiz have ads?

Mental Math Games & Quiz shows ads; Sol Explorer does not.

### Which is updated more often, Sol Explorer or Mental Math Games & Quiz?

Sol Explorer ships an update every 86 months, and Mental Math Games & Quiz every 6 months. Most recently, Sol Explorer was updated on November 6, 2026 and Mental Math Games & Quiz on November 11, 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.*