# Mech Simulator vs Concern

The clearest difference is in-app purchases: Mech Simulator at none against Concern's 10. Mech Simulator also leads on review sentiment (72% vs 46%) and rating (4.6 vs 4.3). Concern's advantage is update cadence (every 3 weeks vs every 9 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Concern sells 10 one-off in-app purchases. Mech Simulator asks for nothing beyond the download.

Mech Simulator holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 728 and 258 respectively. Written reviews point the same way: 72% of Mech Simulator's written reviews are positive against 46% of Concern's.

Mech Simulator ships an update every 9 months, Concern every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Mech Simulator | Concern |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (728 ratings)](https://appshunter.io/ios/app/mech-simulator-final-battle/id1422680051/reviews)** | [4.3 (258 ratings)](https://appshunter.io/ios/app/concern-mech-tactics/id6447686430/reviews) |
| Number of ratings | **728** | 258 |
| Positive reviews | **72.2% of reviews** | 46.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 168 MB | 646 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Iurii Nikshych](https://appshunter.io/developer/1063041117) | [Black Box Digital](https://appshunter.io/developer/1756883186) |

## What reviewers say

### Mech Simulator

[App page](https://appshunter.io/ios/app/mech-simulator-final-battle/id1422680051)

Engage in epic mech battles set in the year 3070. Command a powerful army of robots, tanks, and other futuristic units across stunning 3D battlefields. Experience realistic damage and explosions in this intense military simulation.

**Highlights:** Battle simulator gameplay, Realistic mech damage and explosions, Beautiful 3D battlefield environment, Command tank, robot spiders, and warrior robots, Desert buggy units

**Features:** macOS Compatibility

**In-app purchases:** none


### Concern

[App page](https://appshunter.io/ios/app/concern-mech-tactics/id6447686430)

Engage in strategic turn-based combat by building and managing a unique squad of giant combat robots. Lead your mercenary organization through offline and PvP battles, upgrading your arsenal and making critical leadership decisions that impact your organization's fate.

**Highlights:** Turn-based strategic combat, Build and customize mech squads, Offline and PvP robot wars, Mech collection and upgrades, Leadership decisions and organization management, Explore new adventures and rewards

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 150 Parts | $2.49 | one-time |
| Money 5000 | $2.99 | one-time |
| 60 Parts | $2.99 | one-time |
| Starter Pack | $3.49 | one-time |
| 12'000 Money | $4.49 | one-time |
| No Ads + Gift | $4.99 | one-time |
| 150 Parts | $4.99 | one-time |
| 5'000 Money | $5.99 | one-time |
| Starter pack | $6.99 | one-time |
| 12'000 Money | $9.99 | one-time |

**What reviewers like**

- 👍 Good core gameplay
- 👍 Reminiscent of Battletech
- 👍 Good graphics and atmosphere
- 👍 Stable and fluid performance
- 👍 Interesting gameplay mechanics

**What reviewers complain about**

- 😠 Overwhelming ads
- 😠 Ads are time-consuming
- 😠 Little payoff for watching ads
- 😠 Pay to win is obvious
- 😠 Game stagnates without payment

**Reported bugs**

- Missions won't load after update
- Building points eaten when upgrading mechs
- Game Center save progress and purchases lost after update
- Restore purchases button does nothing
- Game cannot customize colors after update

**Requested features**

- More robots, modules, and weapons
- More diverse storylines
- More clans and familiar mechs
- More missions for parts
- Return of original mech speed/step


## Frequently asked questions

### Is Mech Simulator free?

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

### Is Concern free?

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

### Which has better reviews, Mech Simulator or Concern?

Mech Simulator is rated higher. Mech Simulator averages 4.6 out of 5 from 728 ratings, while Concern averages 4.3 from 258 ratings.

### Do Mech Simulator or Concern have ads?

Both Mech Simulator and Concern show ads.

### Which is updated more often, Mech Simulator or Concern?

Mech Simulator ships an update every 9 months, and Concern every 3 weeks. Most recently, Mech Simulator was updated on November 2, 2026 and Concern on November 3, 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.*