# Erwin vs Nova Swing

The clearest difference is price: Nova Swing at Free against Erwin's $4.99. Nova Swing also leads on update cadence (every 2 days vs every 8 days). Erwin's advantage is in-app purchases (none vs 4). On ads, device support and iOS requirement there is nothing between them.

Nova Swing is free to download; Erwin costs $4.99 up front. Nova Swing sells 4 one-off in-app purchases. Erwin asks for nothing beyond the download.

Erwin ships an update every 8 days, Nova Swing every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Erwin | Nova Swing |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nova-swing/id6789703945/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 2 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 43 MB | 49 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Tamas Bartal](https://appshunter.io/developer/896478676) | [Fernando Bunn](https://appshunter.io/developer/1514075261) |

## What reviewers say

### Erwin

[App page](https://appshunter.io/ios/app/erwin-a-quantum-puzzle/id6761667185)

Experience a unique 3D sliding puzzle on a cube's six faces. Merge tiles, rotate the cube, and discover quantum effects like superposition and entanglement. Play with friends in multiplayer mode.

**Highlights:** 3D cube sliding puzzle, Tile merging and scoring, Quantum effects (superposition, entanglement), Cube rotation for multiple faces, Local multiplayer via Game Center, Universal app purchase

**Features:** Game Controller support, Vision Pro support

**In-app purchases:** none


### Nova Swing

[App page](https://appshunter.io/ios/app/nova-swing/id6789703945)

Tap to launch a ship into orbit around planets, chaining perfect captures to build momentum and achieve high scores. Navigate challenging space environments with moving celestial bodies and unique hazards. Unlock new ships and visual themes as you progress through different zones.

**Highlights:** One-tap orbital launches, Chain perfect captures for score bonuses, Navigate moving planets and hazards, Unlockable ships and visual themes, In-game soundtrack player, Game Center integration

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pocket pack | $0.99 | one-time |
| Flight Pack | $2.99 | one-time |
| Expedition Pack | $5.99 | one-time |
| Fleet Pack | $12.99 | one-time |


## Frequently asked questions

### Is Erwin free?

Erwin costs $4.99, with no in-app purchases.

### Is Nova Swing free?

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

### Do Erwin or Nova Swing have ads?

Neither Erwin nor Nova Swing shows ads.

### Which is updated more often, Erwin or Nova Swing?

Erwin ships an update every 8 days, and Nova Swing every 2 days. Most recently, Erwin was updated on October 31, 2026 and Nova Swing 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.*