# Groundskeeper2 vs Sub Ninja

The clearest difference is update cadence: Groundskeeper2 at every 5 weeks against Sub Ninja's every 38 months. Groundskeeper2 also leads on iOS requirement (8.0 vs 12.2). Sub Ninja's advantage is price ($0.99 vs $3.99). On ads, in-app purchases and device support there is nothing between them.

Groundskeeper2 costs $3.99 and Sub Ninja $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Groundskeeper2 ships an update every 5 weeks, Sub Ninja every 38 months. Both last shipped on October 4, 2026.

## The numbers

| Metric | Groundskeeper2 | Sub Ninja |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | **[4.3 (19 ratings)](https://appshunter.io/ios/app/groundskeeper2/id848894420/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 68.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 38 months |
| Monetization | Paid | — |
| Size | 56 MB | 14 MB |
| Requires iOS | **8.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Pascal Bestebroer](https://appshunter.io/developer/364591324) | [Anthony Hindle](https://appshunter.io/developer/1057765652) |

## What reviewers say

### Groundskeeper2

[App page](https://appshunter.io/ios/app/groundskeeper2/id848894420)

Battle waves of robotic space aliens in this fast-paced arcade shooter. Unlock a variety of weapons and new worlds as you fight to protect humanity from an extraterrestrial invasion. Experience randomized levels for endless replayability.

**Highlights:** Unlockable weapons, Unlockable worlds, Fast-paced arcade action, Randomized levels, Achievements and leaderboards

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

**In-app purchases:** none


### Sub Ninja

[App page](https://appshunter.io/ios/app/sub-ninja/id1088037545)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Groundskeeper2 free?

Groundskeeper2 costs $3.99, with no in-app purchases.

### Is Sub Ninja free?

Sub Ninja costs $0.99, with no in-app purchases.

### Do Groundskeeper2 or Sub Ninja have ads?

Neither Groundskeeper2 nor Sub Ninja shows ads.

### Which is updated more often, Groundskeeper2 or Sub Ninja?

Groundskeeper2 ships an update every 5 weeks, and Sub Ninja every 38 months. Most recently, Groundskeeper2 was updated on October 4, 2026 and Sub Ninja on October 4, 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.*