# Galaxy Defense vs DropGem

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.

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.

## The numbers

| Metric | Galaxy Defense | DropGem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (21 ratings)](https://appshunter.io/ios/app/galaxy-defense-coop-td/id6742435255/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 86.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 531 MB | 245 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Teamsparta Inc.](https://appshunter.io/developer/1624407423) | [Sigma10 Games](https://appshunter.io/developer/1816833918) |

## What reviewers say

### Galaxy Defense

[App page](https://appshunter.io/ios/app/galaxy-defense-coop-td/id6742435255)

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.

**Highlights:** Random Tower Defense gameplay, Summon, Swap, and Merge heroes, Three unique races: Humans, Mutants, Aliens, Strategic hero defense, Challenging stages

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| sd_drizzle_key_1 | $0.49 | one-time |
| sd_drizzle_key_2 | $0.99 | one-time |
| sd_drizzle_key_3 | $1.99 | one-time |
| welcome_package | $1.99 | one-time |
| 7d pass | $2.99 | one-time |
| sd_drizzle_key_4 | $3.99 | one-time |
| Newbie package | $3.99 | one-time |
| sd_drizzle_key_5 | $5.99 | one-time |
| sd_drizzle_key_7 | $9.99 | one-time |
| VVIP | $9.99 | one-time |


### DropGem

[App page](https://appshunter.io/ios/app/dropgem/id6809516283)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Item Pack 1 | $0.99 | one-time |
| Item Pack 2 | $2.99 | one-time |
| Ad Remove Package | $3.49 | one-time |
| Item Pack 3 | $7.99 | one-time |


## Frequently asked questions

### Is Galaxy Defense free?

Galaxy Defense is free to download, with in-app purchases available.

### Is DropGem free?

DropGem is free to download, with in-app purchases available.

### Do Galaxy Defense or DropGem have ads?

Galaxy Defense shows ads; DropGem does not.

### Which is updated more often, Galaxy Defense or DropGem?

Galaxy Defense ships an update weekly, and DropGem every 2 weeks. Most recently, Galaxy Defense was updated on November 4, 2026 and DropGem on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*