Mars Defender vs Blue Planet
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Mars Defender
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Defend Mars in a fast arcade space shooter built for instant action. Asteroids are falling. Bosses are approaching. Deadly ice obstacles block your path. Take control of your ship, destroy the incoming threat, collect upgrades, and keep Mars alive for as long as you can. Tutorial toasts guide you during the first battles, so you quickly understand what to do: move your ship, destroy asteroids, collect gold and XP, use shields, charge your ultimate weapon, dodge ice, and survive each wave. CLASSIC MODE Fight through 100 tuned levels with rising enemy HP, speed, pressure, boss behavior, and difficulty. Destroy small, medium, large, and gold asteroids, collect XP and gold, unlock stronger ships, and improve your firepower as the challenge grows. SURVIVAL MODE Enter an endless run where every second matters. Destroy enemies in the center combat lane, break upgrade shells to gain new ships and buffs, and collect ammo gates to charge your ultimate weapon. Each run starts from MK1. Survive long enough, upgrade to MK5, and push your score higher. 5 SHIPS TO MASTER Progress from MK1 to MK5 and feel your firepower grow with every upgrade. Each ship has more barrels, a stronger combat role, and its own ultimate weapon: • MK1: one barrel and a laser beam ultimate • MK2: two barrels and a bomb ultimate • MK3: three barrels and a stronger laser ultimate • MK4: four barrels and a giant bomb ultimate with increased explosion radius • MK5: five barrels and the most powerful laser ultimate Laser ultimates become much more destructive as you progress from MK1 to MK3 and finally to MK5. Bomb ultimates also evolve, with MK4 delivering a larger explosion radius for massive battlefield clearing. View your ships with a stylish 3D rotation effect in the upgrade screen. POWER-UPS AND ULTIMATES Collect shields, regeneration, damage boosts, shot multipliers, ammo gates, and other combat bonuses. Use laser and bomb ultimates at the right moment to clear the battlefield. In Survival mode, special bomb runes can add extra explosive power during long runs. BOSSES, OBSTACLES, AND LEADERBOARDS Dodge unkillable ice, destroy gold asteroids for valuable rewards, defeat Armageddon-style bosses, and compete for your best Survival score on the Game Center leaderboard. Mars is under attack. Upgrade your ship, master the chaos, and become the defender of the red planet.
Blue Planet
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Welcome to the world of Blue Planet Defense. Here, due to the pollution caused by the "Black Current", the once pristine blue planet now has only a last remaining piece of pure land! You will serve as a top commander, taking on the mission under dire circumstances, assembling troops and constructing the final defense line. This is not only a battle for survival, but also a quest to restore the ecological glory of the blue planet! Gameplay→ ► Strategic defense, smooth challenge The game returns to the classic tower defense strategy. The gameplay is relaxing and easy to learn. You just need to click to summon, combine heroes, and choose to enhance to smoothly complete the levels. ► Roguelike gameplay, each game is a new experience The enemy combinations and events in each battle will be randomly generated. You cannot predict what heroes and buff enhancements will appear next, nor can you determine whether the treasure or peril awaits you ahead. Through countless irreversible choices, hone your on-the-spot judgment skills and experience an endless guardianship journey that never repeats. ► Random synthesis, endless surprises of fusion and evolution It is no longer a monotonous fixed route! Random summoning, random evolution, and random enhancement. The three variables make the battle no longer boring. Your every choice is full of surprises! ► Many heroes, free combination Multiple distinctive guardian heroes are waiting for you to unlock. Each hero has a unique skill system and upgrade effects. Based on the battle situation, freely form an hero lineup to make the battle easier! Here, every defensive action is a salvation for the planet. Gather your troops and build the strongest defense line. Click "Download" now and become the last line of defense for the blue planet!
Screenshots
Verdict
Mars Defender and Blue Planet are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Mars Defender sells 5 one-off in-app purchases and Blue Planet sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
| Parameter | Mars Defender | Blue Planet |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 4 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 82 MB | 257 MB |
| Age rating | 9+ | 9+ |
| Developer | Valentina Prossapchuk | ROHAN CREATIVE COMPANY LIMITED |
In-app purchases
Mars Defender
- Small Gold Pack$0.99
- Medium Gold Pack$1.99
- Remove ads$2.99
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- Starter Pack$3.99
- Large Gold Pack$4.99
Blue Planet
- Gem Pack 1$1.99
- Summoner Pack$1.99
- Starter Pack$1.99
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- Gem Pack 2$4.99
- Gem Pack 3$7.99
Questions
Is Mars Defender free?
Is Blue Planet free?
Do Mars Defender or Blue Planet have ads?
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