# Subterranean vs Stellar Outpost

The clearest difference is ads: Subterranean at none against Stellar Outpost's shown. Subterranean also leads on update cadence (every 2 days vs every 4 days) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Subterranean ships an update every 2 days, Stellar Outpost every 4 days. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Subterranean | Stellar Outpost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/stellar-outpost/id6791397616/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | — | Ad-supported |
| Size | 142 MB | 13 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tayin Wallace](https://appshunter.io/developer/1658923996) | [HOTTEST DROPS LLC](https://appshunter.io/developer/6791397619) |

## What reviewers say

### Subterranean

[App page](https://appshunter.io/ios/app/subterranean/id6754824884)

**In-app purchases:** none


### Stellar Outpost

[App page](https://appshunter.io/ios/app/stellar-outpost/id6791397616)

Build a space mining empire by tapping to mine stardust and automating production with drones and space stations. Earn rewards offline and prestige for permanent boosts as your empire scales.

**Highlights:** Tap to mine stardust, Automate production with drones, Upgrade to space stations, Offline earnings, Prestige system for boosts, Bonus comet rewards

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

**In-app purchases:** none


## Frequently asked questions

### Is Subterranean free?

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

### Is Stellar Outpost free?

Stellar Outpost is free to download, with no in-app purchases.

### Do Subterranean or Stellar Outpost have ads?

Stellar Outpost shows ads; Subterranean does not.

### Which is updated more often, Subterranean or Stellar Outpost?

Subterranean ships an update every 2 days, and Stellar Outpost every 4 days. Most recently, Subterranean was updated on October 13, 2026 and Stellar Outpost on October 11, 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.*