Comparison

Aegis vs Polygon Defense

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

Head to head
About

Aegis

Engage in strategic orbital tower defense with minimalist visuals and dynamic music. Place, merge, and upgrade weapons to defend satellites across various planets and moons from relentless enemy waves. Collect diverse weapons and trait cards to build your ultimate defense strategy.

Highlights
  • Orbital tower defense gameplay
  • Weapon placement and merging
  • Defend satellites across multiple chapters
  • Collect diverse weapons and trait cards
  • Minimalist visuals and stylish sound
  • Dynamic background music
Features
Read full description

Defend our galaxy from endless waves of enemies! Aegis: Orbit Defense is a new orbital tower defense game featuring minimalist visuals and stylish sound. Place and merge weapons strategically to protect the central satellite and hold the line. Step into a defense experience that is easy to learn, yet rich in strategic depth. Key Features - Defend Satellites Across Multiple Chapters: Explore chapters featuring planets such as Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and more. Travel through stages like the Moon, Phobos, Io, Europa, and Titan as you withstand fierce enemy attacks. - Summon a Variety of Weapons: Summon weapons with unique traits, such as Electric, Freeze, and Minigun, and build the perfect defense line for every situation. - Merge Your Weapons: Drag and merge weapons of the same type to upgrade them into stronger weapons with greater power and enhanced effects. - Collect Weapons: Progress through stages, collect a variety of weapons and trait cards, and build your own strategic collection. - Enjoy the Music: Immerse yourself in stylish defense battles with dynamic background music that adds rhythm and energy to every stage. Your strategy becomes the shield that protects the satellite. Download Aegis: Orbit Defense now and become the greatest commander in space!

About

Polygon Defense

Features
Read full description

Hold the line in POLYGON DEFENSE — a fast, stylish blend of tower defense, survivor action, and roguelite upgrades, wrapped in a sleek neon-polygon aesthetic. Waves of geometric enemies pour toward your defense line. Your Guardian fires automatically — your job is to think fast, choose the right upgrades, and build a defense that can survive whatever comes next. Every run is different. Every choice matters. ▶ EASY TO PLAY, HARD TO MASTER Jump straight into the action with intuitive one-handed controls. Anyone can pick it up, but only the smartest tacticians can push through the toughest stages and bosses by drafting the perfect synergy. Play anytime, anywhere. ▶ FIVE ELEMENTAL TURRETS Deploy and command a unique squad of geometric turrets, each featuring its own devastating playstyle: • Circle — Blazing fire AoE • Triangle — Piercing energy lasers • Rectangle — Freezing ice control • Polygon — Heavy physical impact • Star — Chaining electric strikes Mix, match, and position your grid to counter relentless enemy variants. ▶ ROGUELITE UPGRADE CARDS Level up mid-battle and draft from a dynamic pool of upgrade cards. Choose from general stat boosts, chain cards, advanced combos, and powerful special evolutions. Chain the right cards together to create broken, screen-clearing builds. No two runs ever play out the same. ▶ GROW STRONGER EVERY RUN Collect coins, cores, and turret modules to invest in permanent meta-progression: • Cores: Permanently boost your Guardian's core stats (Helmet, Armor, Weapon, Shield, Boots) • Turret Modules: Upgrade each turret's base power and efficiency Come back stronger and crush the stages that once felt impossible. ▶ STAGES, BOSSES & CHALLENGES Battle through escalating zones packed with unique grid layouts and tense boss fights. Aim higher than a simple victory — finish with high HP or pull off a flawless run to unlock top-tier rewards. ▶ 30-DAY DAILY LOGIN REWARDS Keep your armory stocked! Check in every day for free coins, cores, and modules. Reach 7-, 14-, and 21-day milestones for massive bonuses, and claim a huge Grand Reward on Day 30. The streak resets so the rewards never stop flowing. ▶ SLEEK, MINIMALIST DESIGN Experience a crisp neon-polygon look with satisfying particle effects and punchy, responsive audio. The clean visual design ensures the action remains perfectly readable, even when the screen is flooded with hundreds of enemies. ▶ PLAY YOUR WAY • Free to Play — Premium experience with optional rewarded ads only when you want a boost. • Pure Single-Player — Perfect for quick, intense gaming sessions. • Cloud Save — Keep your progress completely safe across device reinstalls. • Global Localization — Fully available in English, Korean, Japanese, and Chinese. Can you upgrade, evolve, and outsmart the geometric horde? Download POLYGON DEFENSE now and secure your grid!

Screenshots

Aegis4 screens
Polygon Defense4 screens

Verdict

The call

Aegis and Polygon Defense are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Aegis sells 12 one-off in-app purchases and Polygon Defense sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Aegis ships an update every 2 weeks, Polygon Defense weekly. Both last shipped on October 31, 2026.

ScorecardNo meaningful differences
Aegis versus Polygon Defense: the parameters behind the verdict, then further details
ParameterAegisPolygon Defense
PriceFreeFree
Rating4.7 (69 ratings) — better—
Positive reviews57.4% of reviews—
Number of ratings69 — better—
Update frequencyEvery 2 weeksWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size352 MB127 MB
Age rating4+4+
DeveloperSuperMagicyoungchan yoon

In-app purchases

12 purchases

Aegis

One-time12
  • 200+200 Gems$1.99
  • 500+500 Gems$4.99
  • Time-Space Distorter$5.99
Show 9 more
  • Remove Ads$7.99
  • 1000+1000 Gems$9.99
  • Starter Bundle$9.99
  • Replay Auto$14.99
  • 3000+3000 Gems$24.99
  • Expert Bundle$29.99
  • 6500+6500 Gems$49.99
  • 10000 Gems$69.99
  • 10000+10000 Gems$69.99
4 purchases

Polygon Defense

One-time4
  • 100 Crystals$0.99
  • crystal_200$1.99
  • 600 Crystals$4.99
Show 1 more
  • 1300 Crystals$9.99

Questions

Is Aegis free?
Aegis is free to download, with in-app purchases available.
Is Polygon Defense free?
Polygon Defense is free to download, with in-app purchases available.
Do Aegis or Polygon Defense have ads?
Both Aegis and Polygon Defense show ads.
Which is updated more often, Aegis or Polygon Defense?
Aegis ships an update every 2 weeks, and Polygon Defense weekly. Most recently, Aegis was updated on October 31, 2026 and Polygon Defense on October 31, 2026.

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