Crush Depth vs Mars47
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Crush Depth
Defend your underwater base from incoming enemy submarines in this strategic game. Build and manage your defenses to survive waves of attacks.
- Build defenses
- Protect your base
- Defend against submarines
- Strategic gameplay
- Underwater combat
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Crush Depth is a game of strategy: Build defenses to protect your base from enemy submarines!
Mars47
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Build your own spaceport. Research new technology, test rockets and take satellites into orbit. In Mars47: Spaceport, an empty stretch of desert coast becomes a growing space program. Plan your base, connect its essential services and follow each mission from the first building to the launchpad. Every expansion brings new opportunities and new decisions. YOUR BASE, YOUR PLAN Build assembly halls, research facilities, launch infrastructure and the services that keep them running. Balance power, staffing and your budget, then decide which facility will move your program forward. RESEARCH THAT SHAPES YOUR PROGRAM Unlock technologies across energy, propulsion and orbital systems. Turn individual breakthroughs into a connected space program and improve rocket reliability through research. FROM ASSEMBLY TO LIFTOFF Prepare flight hardware, run engine tests and bring rockets to the launchpad. Follow your missions from ground operations to flight. LOGISTICS THAT CONNECT EVERYTHING Plan roads, transport routes, port facilities and fuel supply. Keep production and research moving as your base grows. SATELLITES AND MISSIONS Work through campaign objectives, expand your orbital capabilities and view deployed satellites and active mission objects around Earth. A LIVING COASTAL SPACEPORT Weather events and thunderstorms accompany daily operations. Watch infrastructure, industry and crew activity bring your spaceport to life. BUILT FOR IPHONE AND IPAD Play with an interface adapted for iPhone and iPad. Open your base and start your own space program!
Screenshots
Verdict
The clearest difference is review sentiment: Crush Depth at 100% against Mars47's 0%. Mars47's advantage is update cadence (every 9 days vs every 85 months). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Crush Depth ships an update every 85 months, Mars47 every 9 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Crush Depth | Mars47 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 6 — better | — |
| Update frequency | Every 85 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 271 MB | 559 MB |
| Age rating | 4+ | 4+ |
| Developer | Satish Mahalingam | BENJAMIN HEIDGER |
Customer experience
Crush Depth
Mars47
In-app purchases
Crush Depth
No in-app purchases
Mars47
No in-app purchases









