Comparison

Mech Simulator vs Concern

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

Head to head
About

Mech Simulator

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
Read full description

The mech wars of the year 3070 have lead to the last epic battle. Features: • Battle simulator gameplay • Totally awesome and realistic mech damage and explosions • Beautiful 3D battlefield environment • Tank, robot spiders, warrior robots ( mech ), and desert buggy units Be the commander of the ultimate mech army! Sounds_freesound_org Music_McGorilla42_Hidden-Tension

About

Concern

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
Read full description

Strategic turn based game. Create mech squad! Join the offline and pvp robot war. Experience an epic robot war in this strategic turn-based mobile game! As the manager of Concern, a mercenary organization with a formidable arsenal of giant combat robots, you must lead your squad into battle and emerge victorious. In offline and PvP modes, you'll face a variety of enemies and engage in intense battles where each turn counts. Your tactics will be crucial to achieving victory, so plan your attacks carefully and keep your enemies in your sights. Collect the most powerful mechs for every mission and equip them with the right weapons to test in real battles. The more you win, the more you can upgrade your combat arsenal! But it's not just about winning battles – your decisions as a leader also affect the success and reputation of Concern. Explore new adventures and rewards as you make choices that shape the direction of your organization. Will you convert enemies to your side and find allies to gain a numerical advantage, or will you rely solely on your own strength? The fate of Concern is in your hands!

Screenshots

Mech Simulator4 screens
Concern4 screens

Verdict

The call

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.

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Mech Simulator versus Concern: the parameters behind the verdict, then further details
ParameterMech SimulatorConcern
PriceFreeFree
Rating4.6 (728 ratings) — better4.3 (258 ratings)
Positive reviews72.2% of reviews — better46.2% of reviews
Number of ratings728 — better258
Update frequencyEvery 9 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size168 MB646 MB
Age rating9+9+
DeveloperIurii NikshychBlack Box Digital

Customer experience

Mech Simulator

All ratings709 ratings
Positive90.0%
Neutral5.2%
Negative4.8%
Written reviews18 reviews
Positive72.2%
Neutral5.6%
Negative22.2%

Concern

All ratings249 ratings
Positive81.5%
Neutral11.2%
Negative7.2%
Written reviews39 reviews
Positive46.2%
Neutral23.1%
Negative30.8%

Bugs and requests

Mech Simulator

Not enough reviews yet to summarise bugs or requests.

Concern

Reported bugs

10 issues
  • 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
Show 5 more
  • Enemy mech stuck behind building out of range
  • Mechs get stranded behind buildings with no way to engage
  • Data deleted after a period of non-play time
  • Game crashes or freezes
  • Audio not working

Requested features

31 requests
  • More robots, modules, and weapons
  • More diverse storylines
  • More clans and familiar mechs
  • More missions for parts
  • Return of original mech speed/step
Show 26 more
  • Ability to rename pilots
  • Ability to disband squad members and mechs
  • Custom multicolor paint schemes
  • More options during battles
  • More story content
  • More varied skills and progression
  • Ability to choose mech deployment location
  • More weapon variety
  • Clan battles and arena development
  • More diverse missions
  • More pilot customization
  • More mech customization
  • More story missions
  • More diverse enemy types
  • More varied mission objectives
  • More strategic depth
  • More impactful pilot abilities
  • More diverse mech loadouts
  • More ways to acquire parts
  • More diverse combat scenarios
  • More engaging endgame content
  • More frequent updates with new content
  • Improved matchmaking system
  • Better tutorial for new players
  • Option to disable AI images
  • Add audio

In-app purchases

None

Mech Simulator

No in-app purchases

10 purchases

Concern

One-time10
  • 150 Parts$2.49
  • Money 5000$2.99
  • 60 Parts$2.99
Show 7 more
  • Starter Pack$3.49
  • 12'000 Money$4.49
  • No Ads + Gift$4.99
  • 150 Parts$4.99
  • 5'000 Money$5.99
  • Starter pack$6.99
  • 12'000 Money$9.99

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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