# Idle Mars Survival vs Mecha Fire

The clearest difference is ratings volume: Mecha Fire at 17K against Idle Mars Survival's 1.5K. Mecha Fire also leads on iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Idle Mars Survival sells 10 one-off in-app purchases and Mecha Fire sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Idle Mars Survival against 4.6 for Mecha Fire. That said, the two scores are not equally well evidenced: Mecha Fire has 17K ratings behind it against 1.5K, so its average is the more settled of the two. Written reviews are what separate them: 35% of Idle Mars Survival's written reviews are positive against 41% of Mecha Fire's.

Idle Mars Survival ships an update every 2 weeks, Mecha Fire fortnightly. Both last shipped on November 12, 2026.

## The numbers

| Metric | Idle Mars Survival | Mecha Fire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (1.5K ratings)](https://appshunter.io/ios/app/idle-mars-survival-migrate/id6470996516/reviews) | **[4.6 (17K ratings)](https://appshunter.io/ios/app/mecha-fire/id6740192482/reviews)** |
| Number of ratings | 1.5K | **17K** |
| Positive reviews | 35.0% of reviews | **40.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 364 MB | 813 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Oneorwa Technology Co.,Ltd.](https://appshunter.io/developer/1702491489) | [LEXIANGCO.,LIMITED](https://appshunter.io/developer/1468865680) |

## What reviewers say

### Idle Mars Survival

[App page](https://appshunter.io/ios/app/idle-mars-survival-migrate/id6470996516)

Survive and build a thriving colony on Mars as a stranded astronaut. Generate power, secure resources, expand your base, produce oxygen, and defend against alien spores. Recruit companions and utilize simulation and RPG elements to establish a successful Martian settlement.

**Highlights:** Generate power and secure resources, Expand base and recruit astronauts, Produce oxygen for colonization, Defend against spore invasions, Combine simulation and RPG elements, Explore map for mineral resources

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Novice gift | $0.99 | one-time |
| 80 Power Stones | $0.99 | one-time |
| 500 Power Stones | $4.99 | one-time |
| Festival Gift No.1 | $4.99 | one-time |
| Festival Gift No.4 | $4.99 | one-time |
| Ad-free | $9.99 | one-time |
| Caretaker | $9.99 | one-time |
| 1200 Power Stones | $9.99 | one-time |
| Luxury gift package | $14.99 | one-time |
| 2500 Power Stones | $19.99 | one-time |

**What reviewers like**

- 🚀 Engaging gameplay
- 👍 Addictive and fun
- 🚀 Smooth performance
- 💡 Creative concept

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔋 Drains battery quickly
- 🔒 Lack of customer support
- 🔒 Buggy and glitchy
- 💰 Monetization issues

**Reported bugs**

- Incorrect resource calculations
- Stuck on second planet with no way to progress
- In-app purchases not working as expected
- Freezing and crashing issues
- Oxygen/resource production imbalance

**Requested features**

- Ability to move buildings
- Improved resource balancing
- Notifications for resource collection
- Cloud save/sync across devices
- Ability to listen to own music


### Mecha Fire

[App page](https://appshunter.io/ios/app/mecha-fire/id6740192482)

Lead a Mecha army and powerful Heroes to defend a Martian colony from native creatures. Develop advanced technologies, construct defenses, and manage resources to ensure humanity's survival. Collaborate with other players to devise strategies and fight for the future.

**Highlights:** Command powerful Heroes with unique skills, Build and upgrade colony structures, Research advanced technologies, Train and strategize with Mecha units, Form alliances for collaborative defense, Engage in alliance missions for rewards

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Treasures Pack | $0.99 | one-time |
| Treasures Pack | $1.99 | one-time |
| Treasures Pack | $2.99 | one-time |
| Treasures Pack | $3.99 | one-time |
| Treasures Pack | $4.99 | one-time |
| Treasures Pack | $9.99 | one-time |
| Treasures Pack | $19.99 | one-time |
| Treasures Pack | $24.99 | one-time |
| Treasures Pack | $49.99 | one-time |
| Treasures Pack | $99.99 | one-time |

**What reviewers like**

- 🙂 Fun game
- 🌟 Unique game
- 👍 Always something to do

**What reviewers complain about**

- 🔇 No way to turn off background music
- 🤖 Robotic character voices
- 🕹️ Overly complex and chaotic
- 💰 Not worth spending money on
- 🐛 Glitchy

**Reported bugs**

- Compatibility issues with older devices
- Frequent crashes and problems since joining

**Requested features**

- Simpler single-player experience
- Ability to freely move structures in base
- More hero options


## Frequently asked questions

### Is Idle Mars Survival free?

Idle Mars Survival is free to download, with in-app purchases available.

### Is Mecha Fire free?

Mecha Fire is free to download, with in-app purchases available.

### Which has better reviews, Idle Mars Survival or Mecha Fire?

Mecha Fire is rated higher. Idle Mars Survival averages 4.6 out of 5 from 1.5K ratings, while Mecha Fire averages 4.6 from 17K ratings.

### Do Idle Mars Survival or Mecha Fire have ads?

Both Idle Mars Survival and Mecha Fire show ads.

### Which is updated more often, Idle Mars Survival or Mecha Fire?

Idle Mars Survival ships an update every 2 weeks, and Mecha Fire fortnightly. Most recently, Idle Mars Survival was updated on November 12, 2026 and Mecha Fire on November 12, 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.*