# Star2 Random Defense(S2RD) vs Castle Cracker

The clearest difference is rating: Castle Cracker at 3.8 against Star2 Random Defense(S2RD)'s 2.4. Castle Cracker also leads on ads (none vs shown) and review sentiment (40% vs 26%). Star2 Random Defense(S2RD)'s advantage is update cadence (weekly vs every 2 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Star2 Random Defense(S2RD) sells 31 one-off in-app purchases and Castle Cracker sells 16 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Castle Cracker holds the better App Store score, 3.8 against 2.4. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 26% of Star2 Random Defense(S2RD)'s written reviews are positive against 40% of Castle Cracker's.

Star2 Random Defense(S2RD) ships an update weekly, Castle Cracker every 2 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Star2 Random Defense(S2RD) | Castle Cracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (5 ratings)](https://appshunter.io/ios/app/star2-random-defenses2rd/id6739694467/reviews) | **[3.8 (5 ratings)](https://appshunter.io/ios/app/castle-cracker/id6754631789/reviews)** |
| Number of ratings | 5 | 5 |
| Positive reviews | 26.1% of reviews | **40.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 584 MB | 135 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Springcomes Co., Ltd.](https://appshunter.io/developer/1151454258) | [Thu Hien](https://appshunter.io/developer/1289709399) |

## What reviewers say

### Star2 Random Defense(S2RD)

[App page](https://appshunter.io/ios/app/star2-random-defenses2rd/id6739694467)

Experience a classic vertical strategy defense game with unpredictable battles and endless strategic possibilities. Combine random heroes, utilize a deep trait system, and adapt your tactics to diverse regions. Every match offers a new adventure where luck and strategy intertwine.

**Highlights:** Random hero summons, Strategic card combinations, Over 100 unique traits, 7-tier hero progression system, Diverse regional challenges, Vertical gameplay

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

**In-app purchases (31)**

| Purchase | Price | Billing |
| --- | --- | --- |
| high efficiency 3d package 1 | $0.99 | one-time |
| Special Membership (28 Days) | $3.99 | one-time |
| premium membership (28 Days) | $3.99 | one-time |
| high efficiency 3d package 2 | $3.99 | one-time |
| pickup package 1 | $4.99 | one-time |
| traitstone savings | $8.99 | one-time |
| pickup basic | $8.99 | one-time |
| hunting pass premium | $9.99 | one-time |
| attendance event premium | $9.99 | one-time |
| forgotten rift premium attendance | $11.99 | one-time |
| eternal rift premium attendance | $11.99 | one-time |
| pickup package 2 | $11.99 | one-time |
| 0.5th anniversary attendance | $14.99 | one-time |
| forgotten rift premium pass | $14.99 | one-time |
| traitstone savings 2 | $14.99 | one-time |
| desert entry attendance | $14.99 | one-time |
| volcano entry attendance | $14.99 | one-time |
| pickup premium | $17.99 | one-time |
| pickup package 3 | $17.99 | one-time |
| eternal rift premium pass | $22.99 | one-time |
| level pass basic 4 | $34.99 | one-time |
| traitstone savings 3 | $34.99 | one-time |
| pickup package 4 | $39.99 | one-time |
| pickup package 5 | $69.99 | one-time |
| level pass premium 4 | $99.99 | one-time |
| volcano eternity 1 package | $99.99 | one-time |
| glacier eternity 4 package | $99.99 | one-time |
| glacier eternity 3 package | $99.99 | one-time |
| glacier eternity 2 package | $99.99 | one-time |
| glacier eternity 1 package | $99.99 | one-time |
| pickup package 6 | $99.99 | one-time |


### Castle Cracker

[App page](https://appshunter.io/ios/app/castle-cracker/id6754631789)

Command heroes and soldiers in an idle strategy game to conquer castle floors and defeat enemies. Recruit and upgrade troops, collect resources, and unlock new abilities to strengthen your army. Compete globally and earn rewards through daily missions and achievements.

**Highlights:** Destroy castles and defeat enemies, Recruit and upgrade troops, Prestige for heroes, Collect gold and resources, Unlock new abilities and stats, Daily missions and achievements

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 inventory slots | $1.99 | one-time |
| monthly gempack | $1.99 | one-time |
| gem pack 1 | $1.99 | one-time |
| start journey pack | $2.99 | one-time |
| super gem pack | $2.99 | one-time |
| starter pack discount | $3.99 | one-time |
| lab slot | $3.99 | one-time |
| hero slot | $4.99 | one-time |
| Gold streak pack | $5.99 | one-time |
| power booster pack | $6.99 | one-time |
| starter pack | $6.99 | one-time |
| Castle pass | $9.99 | one-time |
| orb package | $9.99 | one-time |
| gem pack 2 | $9.99 | one-time |
| master pack | $14.99 | one-time |
| legendary pack | $49.99 | one-time |


## Frequently asked questions

### Is Star2 Random Defense(S2RD) free?

Star2 Random Defense(S2RD) is free to download, with in-app purchases available.

### Is Castle Cracker free?

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

### Which has better reviews, Star2 Random Defense(S2RD) or Castle Cracker?

Castle Cracker is rated higher. Star2 Random Defense(S2RD) averages 2.4 out of 5 from 5 ratings, while Castle Cracker averages 3.8 from 5 ratings.

### Do Star2 Random Defense(S2RD) or Castle Cracker have ads?

Star2 Random Defense(S2RD) shows ads; Castle Cracker does not.

### Which is updated more often, Star2 Random Defense(S2RD) or Castle Cracker?

Star2 Random Defense(S2RD) ships an update weekly, and Castle Cracker every 2 months. Most recently, Star2 Random Defense(S2RD) was updated on October 20, 2026 and Castle Cracker on October 24, 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.*