Comparison

Doom Simulator vs Stellar Mercenaries

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

Head to head
About

Doom Simulator

Embark on a post-apocalyptic journey to find your missing sibling. Make choices that shape your story, customize your character, and battle enemies. Discover companions, pets, and mini-games in this adventure.

Highlights
  • Interactive storyline with player choices
  • Customizable character designs
  • Exciting boss battles
  • Diverse collection system
  • Buddy and pet system
  • Variety of mini-games
Read full description

After waking from a deep slumber, you find yourself the only survivor in this shelter. Now you have to survive in this post-doomsday and embark on an unknown journey to find your missing sibling! During the journey, you’ve got endless choices to make and each of them may bring you a completely different story! You can customize your own look and experience exciting boss fights. You may meet talented buddies and adopt loyal pets. Moreover, our diverse collection system and interesting mini-games will never make you bored! Feeling excited? Start your adventure now to solve the puzzle! ▶What’s the story? You awaken from a deep slumber, surrounded by dead silence. It seems like you are in a shelter but no vital signs are shown from other resting chambers... People around you are dead and your sibling is missing. There is no time for you to be scared or desperate. You decide to pick up your weapon and embark on an unknown journey! The world outside is full of danger – mutated animals, robber exiles, infected zombies-like humans and invisible plots... However, there is also warmth and love on the way – buddies, pets, amazing encounters and a stronger yourself… ▶What makes the game special? ● An interactive storyline based on your different choices. ● Customized character designs and the thrill of uncertainty. ● Exciting battles with various bosses. ● A diverse collection system including weapons, skins, events and so on. ● Creative buddy and pet designs enrich your game experience. ● A variety of interesting mini-games. Who is behind the catastrophe? Could you rescue the people you love? What stories will you create? What adventure will you encounter? Start your mystery journey now and solve the challenging riddle! —————— Contact Us Facebook: https://www.facebook.com/Doom-Simulator-103152039078398 Discord: https://discord.gg/92YHgPUDNq

About

Stellar Mercenaries

Engage in offline, vertical scrolling arcade action with this sci-fi RPG. Upgrade your ship, weapons, and abilities to battle rival mercenaries and conquer the solar system. Enjoy endless procedurally generated missions with diverse objectives and challenges.

Highlights
  • Vertical scrolling arcade shooter
  • Offline capable gameplay
  • Upgradable ships and weapons
  • Customizable loadouts
  • Procedurally generated missions
  • Rival mercenary system
Features
Read full description

Ready to vanquish your enemies and change the solar system forever from anywhere? Stellar Mercs is a vertical scrolling, offline capable, action arcade shooter with upgradable ships, weapons, and special abilities. Customize your loadouts for each mission depending on the environments and enemies you'll face! Each mission will reward you with unlocks and cash to continue building your arsenal. You're not the only mercenary out there - the more successful and accomplished you become, the more attention you'll attract. Enemy mercenaries can become persistent arch-rivals, leveling up along side you. Defeating them will net you great rewards, but if you die at their hands, they'll grow even further in power. The fun is never-ending! Fly missions through endless procedurally generated missions with a variety of environments, objectives, hazards, enemies, and rewards. Hijack cargo from speeding space trains, break into heavily guarded research and development space stations to acquire new prototype ships to fly, or defeat mighty leviathan capital ships in your quest to become the wealthiest, most powerful mercenary in the system! Stellar Mercs operates as a single handed action arcade game, so you can play comfortably on the go. SM is offline capable, so even without signal you can keep gaming and conquering the solar system! Configure your spacecraft's loadout and autoshoot your way to victory - focus on maneuvering through hazards and waves of enemies while you employ special abilities for maximum carnage!

Screenshots

Doom Simulator4 screens
Stellar Mercenaries4 screens

Verdict

The call

The clearest difference is review sentiment: Stellar Mercenaries at 85% against Doom Simulator's 0%. Stellar Mercenaries also leads on ads (none vs shown). Doom Simulator's advantage is update cadence (weekly vs every 3 weeks). On price, in-app purchases, monetization model 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. Doom Simulator sells 8 one-off in-app purchases and Stellar Mercenaries sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Doom Simulator ships an update weekly, Stellar Mercenaries every 3 weeks. The most recent releases landed on June 9, 2026 and September 17, 2026 respectively.

Scorecard3 real differences · 7 level
Doom Simulator versus Stellar Mercenaries: the parameters behind the verdict, then further details
ParameterDoom SimulatorStellar Mercenaries
PriceFreeFree
Rating—4.7 (34 ratings) — better
Positive reviews0.0% of reviews85.0% of reviews — better
Number of ratings—34 — better
Update frequencyWeekly — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.012.0
Further details — not scored
Size150 MB198 MB
Age rating12+9+
DeveloperICLOCKWORK PTE. LTD.Quest Builders LLC

Customer experience

Doom Simulator

Written reviews3 reviews
Positive0.0%
Neutral33.3%
Negative66.7%

Stellar Mercenaries

All ratings34 ratings
Positive94.1%
Neutral0.0%
Negative5.9%
Written reviews20 reviews
Positive85.0%
Neutral5.0%
Negative10.0%

In-app purchases

8 purchases

Doom Simulator

One-time8
  • First Purchase$0.99
  • 20 Energy Cubes$1.99
  • 100 Energy Cubes$4.99
Show 5 more
  • No Ads$6.99
  • Ad-blocking$6.99
  • Battle pass$9.99
  • 200 Energy Cubes$9.99
  • New Battle pass$9.99
9 purchases

Stellar Mercenaries

One-time9
  • Currency - Small Pack$1.99
  • Starter Pack - Basic$1.99
  • Gem Pack - Small$2.99
Show 6 more
  • Currency - Medium Pack$3.99
  • Stater Pack - Advanced$5.99
  • Gem Pack - Medium$7.99
  • Currency - Large Pack$7.99
  • Gem Pack - Large$15.99
  • Starter Pack - Legendary$15.99

Questions

Is Doom Simulator free?
Doom Simulator is free to download, with in-app purchases available.
Is Stellar Mercenaries free?
Stellar Mercenaries is free to download, with in-app purchases available.
Do Doom Simulator or Stellar Mercenaries have ads?
Doom Simulator shows ads; Stellar Mercenaries does not.
Which is updated more often, Doom Simulator or Stellar Mercenaries?
Doom Simulator ships an update weekly, and Stellar Mercenaries every 3 weeks. Most recently, Doom Simulator was updated on June 9, 2026 and Stellar Mercenaries on September 17, 2026.

Other comparisons