Comparison

Subterranean vs Stellar Outpost

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Subterranean

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Dig deep in a retro pixel world and see how far underground you can go. Control a small mining vehicle, dig through the earth, and uncover gems, ore, fossils, and other valuable resources. Sell what you find, upgrade your vehicle, and head back down to dig even deeper. Improve your drill, light, cargo, temp, fuel, and hull to stay underground longer and reach rare riches hidden far below the surface. Inspired by classic mining games, this 2D side-scrolling adventure is easy to pick up and satisfying to play, whether you have a few minutes or want to keep digging just one more run. Dig, mine, upgrade, repeat. How deep can you go?

About

Stellar Outpost

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
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Build your own space mining empire — one tap at a time. Mine glittering stardust from a drifting asteroid, then put your growing fleet to work. Recruit Mining Drones to keep the stardust flowing while you're away, upgrade to Cargo Haulers and full Space Stations as your empire scales, and watch the numbers climb. • Tap to mine, upgrade to automate • Three tiers of production, from scrappy drones to full space stations • Prestige for permanent Void Crystals and a lasting production boost • Real offline earnings — see what your fleet mined while you were away • Bonus comets drift by with rewards worth grabbing Stellar Outpost is built for a few minutes at a time — check in, collect, upgrade, and watch your outpost grow.

Screenshots

Subterranean4 screens
Stellar Outpost4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 6 level
Subterranean versus Stellar Outpost: the parameters behind the verdict, then further details
ParameterSubterraneanStellar Outpost
PriceFreeFree
Rating—5.0 (5 ratings) — better
Number of ratings—5 — better
Update frequencyEvery 2 days — betterEvery 4 days
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size142 MB13 MB
Age rating4+4+
DeveloperTayin WallaceHOTTEST DROPS LLC

In-app purchases

None

Subterranean

No in-app purchases

None

Stellar Outpost

No in-app purchases

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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