Galaxy Defense vs DropGem
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Galaxy Defense
Engage in classic random tower defense with a twist. Summon, swap, and merge mythical allies from three unique races to annihilate relentless waves of enemies. Prove your strategic skills to save the galaxy.
- Random Tower Defense gameplay
- Summon, Swap, and Merge heroes
- Three unique races: Humans, Mutants, Aliens
- Strategic hero defense
- Challenging stages
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"You want a piece of me, Boy?" Relentless waves of powerful Voids are closing in from all directions. A lone commander, armed with nothing but a single gun, stands against them! That unmistakable thrill—classic Random Tower Defense gameplay! Now easier, more exhilarating, and irresistibly fun! Enjoy Galaxy Defense : Coop TD! on mobile! Summon, Swap, and Merge! Summon mighty Mythical Allies and annihilate your enemies! ** Three Unique Races! ** - Humans! – Master advanced technology for wide-range attacks! - Mutants! – Crush foes with deadly tentacle strikes! - Aliens! – Harness psionic energy for devastating area attacks! ** Random Tower Defense Mechanics! ** - Summon! – Find the perfect spot for your defenses! - Swap! – Adapt to the situation in real time! - Merge! – Fuse heroes to unleash overwhelming power! Can you save the universe from the Voids? Do you have what it takes to become the ultimate commander? Answer the call and fight back the void—right now! The entire galaxy is waiting for you! A perfect blend of strategy and luck in a thrilling hero defense game! Challenge intense stages and prove your commanding skills! Plus, your cute workers are good to go sir!
DropGem
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Meet Drop Gem — your next puzzle challenge! Merge matching gems to discover 12 sparkling types, and work your way up to the ultimate prize: the Pink Diamond. How high can you score? Put your skills to the test and climb the leaderboard! Drop. Merge. Shine.
Screenshots
Verdict
The clearest difference is ads: DropGem at none against Galaxy Defense's shown. On price, update cadence, 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. Galaxy Defense sells 10 one-off in-app purchases and DropGem sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Galaxy Defense ships an update weekly, DropGem every 2 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Galaxy Defense | DropGem |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (21 ratings) — better | — |
| Positive reviews | 86.2% of reviews | — |
| Number of ratings | 21 — better | — |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 531 MB | 245 MB |
| Age rating | 9+ | 4+ |
| Developer | Teamsparta Inc. | Sigma10 Games |
In-app purchases
Galaxy Defense
- sd_drizzle_key_1$0.49
- sd_drizzle_key_2$0.99
- sd_drizzle_key_3$1.99
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- welcome_package$1.99
- 7d pass$2.99
- sd_drizzle_key_4$3.99
- Newbie package$3.99
- sd_drizzle_key_5$5.99
- sd_drizzle_key_7$9.99
- VVIP$9.99
DropGem
- Item Pack 1$0.99
- Item Pack 2$2.99
- Ad Remove Package$3.49
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- Item Pack 3$7.99
Questions
Is Galaxy Defense free?
Is DropGem free?
Do Galaxy Defense or DropGem have ads?
Which is updated more often, Galaxy Defense or DropGem?
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