# Decoherence Game vs Arcane Spire

The clearest difference is in-app purchases: Decoherence Game at none against Arcane Spire's 10. Decoherence Game also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Arcane Spire sells 10 one-off in-app purchases. Decoherence Game asks for nothing beyond the download.

Decoherence Game ships an update every 9 days, Arcane Spire weekly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Decoherence Game | Arcane Spire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (11 ratings)](https://appshunter.io/ios/app/decoherence-game/id6473932255/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free | — |
| Size | 2.7 GB | 138 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 9+ |
| Developer | [Efecto Estudios S.A.S](https://appshunter.io/developer/531360665) | [Aleksandar Rashkov](https://appshunter.io/developer/989607094) |

## What reviewers say

### Decoherence Game

[App page](https://appshunter.io/ios/app/decoherence-game/id6473932255)

Design and command customizable robots in tactical arena battles. Engage in thrilling PvP matches or challenge yourself in a single-player campaign. Adapt your strategy on the fly in unpredictable arenas.

**Highlights:** Robot customization, Strategic command assignment, Pilot control during battles, PvP matches, Single-player campaign, Dynamic arenas

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

**In-app purchases:** none


### Arcane Spire

[App page](https://appshunter.io/ios/app/arcane-spire-galactic-td/id6806193375)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| fill all remaining defense lan | $0.99 | one-time |
| same grant | $2.99 | one-time |
| same grant | $3.99 | one-time |
| 5 charges of each of the 5 sie | $4.99 | one-time |
| 4 star pieces + 1 moon piece + | $4.99 | one-time |
| same grant | $4.99 | one-time |
| Avatar Recon Set | $4.99 | one-time |
| Champion Recon Set | $4.99 | one-time |
| Havoc Champion | $4.99 | one-time |
| same grant | $5.99 | one-time |


## Frequently asked questions

### Is Decoherence Game free?

Decoherence Game is free to download, with no in-app purchases.

### Is Arcane Spire free?

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

### Do Decoherence Game or Arcane Spire have ads?

Arcane Spire shows ads; Decoherence Game does not.

### Which is updated more often, Decoherence Game or Arcane Spire?

Decoherence Game ships an update every 9 days, and Arcane Spire weekly. Most recently, Decoherence Game was updated on October 24, 2026 and Arcane Spire on October 21, 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.*