Comparison

Base Expansion 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

Base Expansion

Features
Read full description

Base Expansion: Tower Defence is an exciting twist on classic tower defense gameplay. Strategically build, upgrade, and position attack and freeze towers to defend your base against waves of relentless enemies. Key Features: Persistent Tower Placement: Keep your strategic tower arrangement as you progress through increasingly challenging levels. Variety of Towers: Choose between powerful attacking towers and freezing towers to slow enemies down. Upgradeable Defenses: Continuously upgrade your towers to withstand tougher enemies and protect your base. Immersive Soundtrack: Enjoy engaging sound effects and music to enhance your gaming experience. Plan carefully—your base depends on your strategic decisions. Are you ready to build, expand, and defend?

About

Polygon Defense

Features
Read full description

How far can you get? Polygon Defense is a tower defense game with a clean geometric look: endless waves, ever-stronger enemies — and a defense that grows mightier every run. Play tactically for five minutes or let it run for hours: you set the pace. BUILD YOUR DEFENSE • 10 unique towers — from the rapid Tri Cannon to poison, frost, chain lightning and the Star Laser • 3 upgrade paths per tower, then prestige for permanently stronger tiers • A new procedurally generated map every run • Every 5 waves: pick 1 of 3 random boosts and shape your run ENDLESS WAVES, REAL VARIETY • Bosses every 10 waves, elite mutations, armor, healers, splitters and phasing enemies • From wave 100: challenge waves with special rules and bonus rewards • Milestone chests every 25 waves — automatic, no interruptions IDLE WHEN YOU WANT IT • Auto-waves with SAFE mode: keeps running, only stops when enemies break through • Auto-upgrades, auto-build and card auto-pick for fully hands-free runs • Endless Protocol: automatically restarts after game over • Rush button: skip waves up to just below your best record • Offline progress: your towers keep fighting while the app is closed PERMANENT PROGRESSION • Earn prisms and unlock 30+ permanent meta upgrades • Card collection with passive bonuses and active abilities (from wave 100) • Research lab with real-time research (from wave 200) • Daily tasks, achievements and login rewards FAIR & PLAYABLE OFFLINE • Completely free to play, no account, no internet required • No forced ads — ads are strictly optional for bonus rewards • Available in English and German One tap, one wave — and suddenly it's 2 a.m. Have fun!

Screenshots

Base Expansion4 screens
Polygon Defense4 screens

Verdict

The call

The clearest difference is in-app purchases: Base Expansion at none against Polygon Defense's 5. Base Expansion also leads on ads (none vs shown) and iOS requirement (13.0 vs 18.0). Polygon Defense's advantage is update cadence (every 2 days vs every 3 weeks). On price 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. Polygon Defense sells 5 one-off in-app purchases. Base Expansion asks for nothing beyond the download.

UpkeepUpdate frequency

Base Expansion ships an update every 3 weeks, Polygon Defense every 2 days. The most recent releases landed on November 8, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 2 level
Base Expansion versus Polygon Defense: the parameters behind the verdict, then further details
ParameterBase ExpansionPolygon Defense
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size177 MB91 MB
Age rating17+4+
DeveloperAlexandr GavrilovRobert Sittig

In-app purchases

None

Base Expansion

No in-app purchases

5 purchases

Polygon Defense

One-time5
  • Handful of Gems$0.99
  • Bag of Gems$2.99
  • Crate of Gems$4.99
Show 2 more
  • No Ads$4.99
  • Vault of Gems$11.99

Questions

Is Base Expansion free?
Base Expansion is free to download, with no in-app purchases.
Is Polygon Defense free?
Polygon Defense is free to download, with in-app purchases available.
Do Base Expansion or Polygon Defense have ads?
Polygon Defense shows ads; Base Expansion does not.
Which is updated more often, Base Expansion or Polygon Defense?
Base Expansion ships an update every 3 weeks, and Polygon Defense every 2 days. Most recently, Base Expansion was updated on November 8, 2026 and Polygon Defense on October 28, 2026.

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