# Doom Simulator vs Stellar Mercenaries

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.

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.

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.

## The numbers

| Metric | Doom Simulator | Stellar Mercenaries |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (34 ratings)](https://appshunter.io/ios/app/stellar-mercenaries/id6446969323/reviews)** |
| Number of ratings | — | **34** |
| Positive reviews | 0.0% of reviews | **85.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 150 MB | 198 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 9+ |
| Developer | [ICLOCKWORK PTE. LTD.](https://appshunter.io/developer/1633595140) | [Quest Builders LLC](https://appshunter.io/developer/1679888919) |

## What reviewers say

### Doom Simulator

[App page](https://appshunter.io/ios/app/doom-simulator/id1634328315)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| First Purchase | $0.99 | one-time |
| 20 Energy Cubes | $1.99 | one-time |
| 100 Energy Cubes | $4.99 | one-time |
| No Ads | $6.99 | one-time |
| Ad-blocking | $6.99 | one-time |
| Battle pass | $9.99 | one-time |
| 200 Energy Cubes | $9.99 | one-time |
| New Battle pass | $9.99 | one-time |


### Stellar Mercenaries

[App page](https://appshunter.io/ios/app/stellar-mercenaries/id6446969323)

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:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Currency - Small Pack | $1.99 | one-time |
| Starter Pack - Basic | $1.99 | one-time |
| Gem Pack - Small | $2.99 | one-time |
| Currency - Medium Pack | $3.99 | one-time |
| Stater Pack - Advanced | $5.99 | one-time |
| Gem Pack - Medium | $7.99 | one-time |
| Currency - Large Pack | $7.99 | one-time |
| Gem Pack - Large | $15.99 | one-time |
| Starter Pack - Legendary | $15.99 | one-time |


## Frequently asked 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.

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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.*