# SphereKnight vs Rogue Invaders

The clearest difference is in-app purchases: Rogue Invaders at none against SphereKnight's 1. Rogue Invaders also leads on ads (none vs shown) and update cadence (fortnightly vs every 4 months). SphereKnight's advantage is iOS requirement (8.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. SphereKnight sells 1 one-off in-app purchase. Rogue Invaders asks for nothing beyond the download.

SphereKnight ships an update every 4 months, Rogue Invaders fortnightly. The most recent releases landed on September 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SphereKnight | Rogue Invaders |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/sphereknight/id1287918992/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 164 MB | 338 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [hiroaki saito](https://appshunter.io/developer/1287918991) | [Machine Thoughts LLC](https://appshunter.io/developer/1758458319) |

## What reviewers say

### SphereKnight

[App page](https://appshunter.io/ios/app/sphereknight/id1287918992)

Control a ball-shaped knight by flicking your finger to defeat enemies and stop an invasion of chaos. Upgrade weapons, forge new armor, and master unique sword auras to progress through 33 stages and 8 boss battles. An endless mode offers continuous challenges.

**Highlights:** Flick controls for ball-shaped knight, Dash attack for enemy defeat, Master sword auras, Upgrade weapons and forge armor, 33 stages with boss battles, Endless stage run feature

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sphere Knight:ad removal | $1.99 | one-time |


### Rogue Invaders

[App page](https://appshunter.io/ios/app/rogue-invaders/id6746952488)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SphereKnight free?

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

### Is Rogue Invaders free?

Rogue Invaders is free to download, with no in-app purchases.

### Do SphereKnight or Rogue Invaders have ads?

SphereKnight shows ads; Rogue Invaders does not.

### Which is updated more often, SphereKnight or Rogue Invaders?

SphereKnight ships an update every 4 months, and Rogue Invaders fortnightly. Most recently, SphereKnight was updated on September 26, 2026 and Rogue Invaders on October 13, 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.*