# Solar Walk 2 vs Roma eHandbook

The clearest difference is price: Roma eHandbook at Free against Solar Walk 2's $2.99. Roma eHandbook also leads on in-app purchases (none vs 7) and update cadence (every 3 weeks vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

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

Solar Walk 2 ships an update every 2 months, Roma eHandbook every 3 weeks. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Solar Walk 2 | Roma eHandbook |
| --- | --- | --- |
| 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 | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 803 MB | 301 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vito Technology Inc.](https://appshunter.io/developer/289641503) | [TEAM OKINA LTD OOD](https://appshunter.io/developer/441694724) |

## 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


### Roma eHandbook

[App page](https://appshunter.io/ios/app/roma-ehandbook/id6778718842)

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

**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 Roma eHandbook free?

Roma eHandbook is free to download, with no in-app purchases.

### Do Solar Walk 2 or Roma eHandbook have ads?

Neither Solar Walk 2 nor Roma eHandbook shows ads.

### Which is updated more often, Solar Walk 2 or Roma eHandbook?

Solar Walk 2 ships an update every 2 months, and Roma eHandbook every 3 weeks. Most recently, Solar Walk 2 was updated on November 8, 2026 and Roma eHandbook on October 31, 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.*