# Rainbow Piece vs Crown Soar

The clearest difference is in-app purchases: Rainbow Piece at none against Crown Soar's 4. Crown Soar's advantage is update cadence (every 4 days vs every 3 months) and iOS requirement (18.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Crown Soar sells 4 in-app purchases, starting at $0.99 per 7 days. Rainbow Piece asks for nothing beyond the download.

Rainbow Piece ships an update every 3 months, Crown Soar every 4 days. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Rainbow Piece | Crown Soar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/crown-soar-glide-watch-game/id6796438847/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 1 MB | 131 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Kiyoshi Izumi](https://appshunter.io/developer/1807085294) | [Rob Veen](https://appshunter.io/developer/1810681226) |

## What reviewers say

### Rainbow Piece

[App page](https://appshunter.io/ios/app/rainbow-piece/id6745691663)

**Features:** Apple Watch app

**In-app purchases:** none


### Crown Soar

[App page](https://appshunter.io/ios/app/crown-soar-glide-watch-game/id6796438847)

Experience a momentum-based flying game designed for Apple Watch and iPhone. Dive to gain speed, launch off crests, and glide as far as possible. Unlock new areas, birds, and music as you progress through various biomes.

**Highlights:** Momentum-based flying gameplay, Unlockable biomes, birds, and music, Adventure, Endless, and Ranked modes, Companion iPhone app for full experience, Earnable watch face complications, Offline play supported

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Royal Pass Weekly (Offer) | $0.99 | per 7 days |
| Royal Pass Weekly | $1.99 | per 7 days |
| Royal Pass Yearly | $14.99 | per year |
| Royal Pass Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Rainbow Piece free?

Rainbow Piece is free to download, with no in-app purchases.

### Is Crown Soar free?

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

### Do Rainbow Piece or Crown Soar have ads?

Neither Rainbow Piece nor Crown Soar shows ads.

### Which is updated more often, Rainbow Piece or Crown Soar?

Rainbow Piece ships an update every 3 months, and Crown Soar every 4 days. Most recently, Rainbow Piece was updated on October 15, 2026 and Crown Soar on October 25, 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.*