# SimpleBook ver.2 vs Rium

The clearest difference is in-app purchases: SimpleBook ver.2 at none against Rium's 10. Rium's advantage is update cadence (every 9 days vs every 37 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rium sells 10 one-off in-app purchases. SimpleBook ver.2 asks for nothing beyond the download.

SimpleBook ver.2 ships an update every 37 months, Rium every 9 days. The most recent releases landed on October 13, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | SimpleBook ver.2 | Rium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.9 (8 ratings)](https://appshunter.io/ios/app/rium-metaverse/id1641843028/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 424 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SFIDAX inc.](https://appshunter.io/developer/959794282) | [Translimit, Inc.](https://appshunter.io/developer/845044431) |

## What reviewers say

### SimpleBook ver.2

[App page](https://appshunter.io/ios/app/simplebook-ver2/id1254387244)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rium

[App page](https://appshunter.io/ios/app/rium-metaverse/id1641843028)

Explore a virtual world with friends from around the globe. Discover new environments and engage in various games within this digital space. Connect with others and share experiences in a shared online universe.

**Highlights:** Metaverse exploration, Multiplayer social experiences, In-world games, Global friend connections, Virtual world discovery

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Pack | $1.99 | one-time |
| Coin Pack | $2.99 | one-time |
| Coin Pack | $5.99 | one-time |
| Coin Pack | $11.99 | one-time |
| Coin Pack | $19.99 | one-time |
| Coin Pack | $24.99 | one-time |
| Coin Pack | $29.99 | one-time |
| Coin Pack | $59.99 | one-time |
| Coin Pack | $119.99 | one-time |
| Coin Pack | $199.99 | one-time |


## Frequently asked questions

### Is SimpleBook ver.2 free?

SimpleBook ver.2 is free to download, with no in-app purchases.

### Is Rium free?

Rium is free to download, with in-app purchases available.

### Do SimpleBook ver.2 or Rium have ads?

Neither SimpleBook ver.2 nor Rium shows ads.

### Which is updated more often, SimpleBook ver.2 or Rium?

SimpleBook ver.2 ships an update every 37 months, and Rium every 9 days. Most recently, SimpleBook ver.2 was updated on October 13, 2026 and Rium on October 23, 2026.

---

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