# Solar Walk 2 vs Ontario Math Viewer

The clearest difference is price: Ontario Math Viewer at Free against Solar Walk 2's $2.99. Ontario Math Viewer also leads on in-app purchases (none vs 7). Solar Walk 2's advantage is iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

Ontario Math Viewer is free to download; Solar Walk 2 costs $2.99 up front. Solar Walk 2 sells 7 one-off in-app purchases. Ontario Math Viewer asks for nothing beyond the download.

## The numbers

| Metric | Solar Walk 2 | Ontario Math Viewer |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.7 (7.3K ratings)](https://appshunter.io/ios/app/solar-walk-2-view-planets-3d/id1031155880/reviews)** | — |
| Number of ratings | **7.3K** | — |
| Positive reviews | 74.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 803 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Vito Technology Inc.](https://appshunter.io/developer/289641503) | [STEVEN MUELLER](https://appshunter.io/developer/6790435921) |

## What reviewers say

### Solar Walk 2

[App page](https://appshunter.io/ios/app/solar-walk-2-view-planets-3d/id1031155880)

Explore our Solar System with detailed 3D models of planets, moons, and spacecraft. Discover celestial events, track space missions, and travel through time and space with an interactive encyclopedia. Stay updated with the latest astronomy news.

**Highlights:** 3D Solar System model, Interactive space encyclopedia, Astronomy calendar, Time and space travel, Space mission tracking, 360-degree panoramic images

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access for a month | $0.99 | one-time |
| Premium Access for 3 months | $1.99 | one-time |
| Premium Access for 6 months | $2.99 | one-time |
| Premium Access: Special Offer | $2.99 | one-time |
| Access for Solar Walk users | $4.99 | one-time |
| Premium Access for a year | $5.99 | one-time |
| Space Exploration Encyclopedia | $8.99 | one-time |

**What reviewers like**

- 🚀 Immersive experience
- 🌟 Stunning graphics
- 💡 Detailed information on celestial bodies
- 👍 Educational and informative
- ⭐ Visually stunning

**What reviewers complain about**

- 🐛 Inconsistent zooming behavior
- 💰 Locked content behind paywall
- 🔍 Difficult to navigate
- 🔍 Outdated information on missions and satellites

**Reported bugs**

- Crashes on Apple Watch
- Difficulty applying real-time settings

**Requested features**

- Add more minor moons and dwarf planets
- Improve zoom functionality to allow for smoother transitions
- Integrate more up-to-date information on space missions and satellites
- Add support for exoplanets, black holes, and the Milky Way galaxy
- Implement a free-flight mode to explore the solar system freely


### Ontario Math Viewer

[App page](https://appshunter.io/ios/app/ontario-math-viewer/id6799149366)

**In-app purchases:** none


## Frequently asked questions

### Is Solar Walk 2 free?

Solar Walk 2 costs $2.99, and also offers in-app purchases.

### Is Ontario Math Viewer free?

Ontario Math Viewer is free to download, with no in-app purchases.

### Do Solar Walk 2 or Ontario Math Viewer have ads?

Neither Solar Walk 2 nor Ontario Math Viewer shows ads.

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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.*