Galaxy Defense: Fortress TD vs Isle of Arrows - Tower Defense

Galaxy Defense: Fortress TD

CYBERJOY LIMITED
App Store
$46.1K/mo
~$553.2K/yr · 711K installs
VS

Isle of Arrows - Tower Defense

Studio Gridpop Inc
App Store
$2.1K/mo
~$25.6K/yr · 13K installs
Revenue winner Galaxy Defense: Fortress TD wins +2062% vs other
Installs winner Galaxy Defense: Fortress TD wins +5226% vs other
MAU winner Galaxy Defense: Fortress TD wins +8263% vs other
Rating winner Galaxy Defense: Fortress TD wins +6% vs other

Why Galaxy Defense: Fortress TD is winning

Top 4 reasons - backed by the public App Store / Play Store numbers.

  1. Galaxy Defense: Fortress TD earns roughly 22× more per month than Isle of Arrows - Tower Defense - $46.1K vs $2.1K.
  2. Subscription model. Galaxy Defense: Fortress TD runs a $9.99/mo subscription that compounds; Isle of Arrows - Tower Defense relies on one-shot IAP or ads.
  3. Bigger install base. Galaxy Defense: Fortress TD has ~711K lifetime installs vs Isle of Arrows - Tower Defense's ~13K - 53.3× the funnel top.
  4. More monetization surfaces. Galaxy Defense: Fortress TD runs 10 IAP tiers vs 0 - more chances to convert users at the right price.

Find more apps with this revenue gap · Full Galaxy Defense: Fortress TD report

Side-by-side metrics

Bars scale to whichever app is bigger on that row. Green = winner.

Galaxy Defense: Fortress TD
vs
Isle of Arrows - Tower Defense
Monthly revenue (est.)?
$46.1K
$2.1K
Annual revenue (est.)
$553.2K
$25.6K
Lifetime installs (est.)
711K
13K
Monthly active users (est.)?
143K
2K
App Store rating
4.78★
4.49★
Total ratings
9K
267
US grossing rank
-
=
-
Cheapest monthly sub
$9.99
No sub
IAP tiers detected
10 tiers
0 tiers

Galaxy Defense: Fortress TD

CYBERJOY LIMITED
App Store
Category
Games
Price
Free
Released
Feb 1, 2025
Last updated
Apr 29, 2026
File size
429.7 MB
Content rating
4+
Version
0.15.3
Languages
English, French, German, Japanese, Korean, Chinese +2 more
View full Galaxy Defense: Fortress TD report →

Isle of Arrows - Tower Defense

Studio Gridpop Inc
App Store
Category
Games
Price
USD5.99
Released
Nov 3, 2022
Last updated
Jul 6, 2023
File size
120.0 MB
Content rating
9+
Version
1.1.4
Languages
English
View full Isle of Arrows - Tower Defense report →

Galaxy Defense: Fortress TD trajectory

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Isle of Arrows - Tower Defense trajectory

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FAQ

Which makes more money, Galaxy Defense: Fortress TD or Isle of Arrows - Tower Defense? v
Galaxy Defense: Fortress TD earns about $46.1K per month, while Isle of Arrows - Tower Defense earns about $2.1K. That is a 21.6× revenue gap (~$44.0K more per month for Galaxy Defense: Fortress TD). Annual revenue: Galaxy Defense: Fortress TD ≈ $553.2K/year, Isle of Arrows - Tower Defense ≈ $25.6K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Galaxy Defense: Fortress TD or Isle of Arrows - Tower Defense? v
Galaxy Defense: Fortress TD leads with about 711K estimated downloads vs 13K for Isle of Arrows - Tower Defense - a 53.3× gap. Galaxy Defense: Fortress TD's App Store downloads are estimated from 9K ratings × the standard 1:75 ratio. Isle of Arrows - Tower Defense's App Store downloads are estimated from 267 ratings.
Are Galaxy Defense: Fortress TD and Isle of Arrows - Tower Defense in the same App Store category and competing for the same money? v
Yes - both apps sit in the Games category, which means they compete directly for the same paying users and category-level wallet share. Direct competitors, head-to-head.
What in-app purchases and subscription pricing do Galaxy Defense: Fortress TD and Isle of Arrows - Tower Defense offer? v
Galaxy Defense: Fortress TD: IAP range 10 tiers detected. Isle of Arrows - Tower Defense: no IAP detected on the public listing. Galaxy Defense: Fortress TD runs a "Subscription (~$9.99/mo)" monetization model; Isle of Arrows - Tower Defense runs "Paid app ($5.99)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Galaxy Defense: Fortress TD or Isle of Arrows - Tower Defense? v
Galaxy Defense: Fortress TD edges ahead with ★ 4.8 vs ★ 4.5 (gap of 0.3 stars). Rating volume: Galaxy Defense: Fortress TD 9K ratings, Isle of Arrows - Tower Defense 267 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Galaxy Defense: Fortress TD vs Isle of Arrows - Tower Defense revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $46.1K for Galaxy Defense: Fortress TD and $2.1K for Isle of Arrows - Tower Defense are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Games) - net of the 15-30% Apple/Google store cut. Real revenue depends on country mix, retention, refunds and ad fill rate, none of which Apple or Google publish.
How do I compare Galaxy Defense: Fortress TD or Isle of Arrows - Tower Defense to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store links into the homepage tool. We auto-generate a permanent comparison URL with revenue, downloads, IAP tiers, subscription pricing and grossing rank for both apps.