# Castle Defender vs EF Defense

The clearest difference is ads: Castle Defender at none against EF Defense's shown. Castle Defender also leads on review sentiment (63% vs 34%) and rating (4.5 vs 4.3). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Castle Defender sells 10 one-off in-app purchases and EF Defense sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Castle Defender holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 124 and 57 respectively. Written reviews point the same way: 63% of Castle Defender's written reviews are positive against 34% of EF Defense's.

Castle Defender ships an update every 2 weeks, EF Defense every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Castle Defender | EF Defense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (124 ratings)](https://appshunter.io/ios/app/castle-defender-idle-defense/id1505742033/reviews)** | [4.3 (57 ratings)](https://appshunter.io/ios/app/ef-defense/id1605733721/reviews) |
| Number of ratings | **124** | 57 |
| Positive reviews | **62.7% of reviews** | 34.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 307 MB | 237 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [UNIMOB VIET NAM COMPANY LIMITED](https://appshunter.io/developer/1451536629) | [MANA GAME FACTORY PTE. LTD.](https://appshunter.io/developer/1605733723) |

## What reviewers say

### Castle Defender

[App page](https://appshunter.io/ios/app/castle-defender-idle-defense/id1505742033)

Engage in strategic tower defense by tapping to shoot arrows and unleash powerful magic. Summon and upgrade a team of heroes to defend your kingdom's castle against waves of monsters across various maps and challenging levels. Play offline and earn rewards to strengthen your defenses.

**Highlights:** Tap to shoot and defend, Summon and upgrade 30+ heroes, Use magic ultimates like freeze and tornado, Defend across 5 unique maps, Over 250 challenging levels, Offline gameplay

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem Pack 1 | $0.99 | one-time |
| Gold Pack 1 | $0.99 | one-time |
| Super Sale Pack | $0.99 | one-time |
| Gold Pack 2 | $1.99 | one-time |
| Starter Pack | $2.99 | one-time |
| Gem Gift Pack 10 | $2.99 | one-time |
| Gold Pack 3 | $4.99 | one-time |
| Battle Pass Premium | $9.99 | one-time |
| Gem Pack 4 | $9.99 | one-time |
| Gold Pack 4 | $9.99 | one-time |

**What reviewers like**

- 👍 Great game
- 👍 Super jeu
- 👍 Good game
- 👍 Awesome game
- 👍 Nice game

**What reviewers complain about**

- 🐛 Glitchy gameplay
- 🐛 Unbalanced difficulty
- 🐛 Purchase issues
- 🐛 Lack of updates
- 🐛 Broken ads

**Reported bugs**

- Purchases not activating
- Archers off-screen and unkillable
- Ad viewing not working
- Event activation issues
- File backup not working

**Requested features**

- Add guild and chat
- Add 2x/3x speed boost
- Lower gold price on crafting
- Add enemy collection
- More levels


### EF Defense

[App page](https://appshunter.io/ios/app/ef-defense/id1605733721)

Defend the continent of Akaros by rallying unique heroes and powerful protectors. Engage in diverse combat styles beyond traditional defense, including conquest and arena battles, against a variety of challenging enemies.

**Highlights:** Unique heroes from various tribes, Diverse battlefields with specialized traps, Powerful Protectors with game-changing skills, Multiple combat modes: Frontier, Arena, Grand Arena, Tower of Trials, Variety of unique enemy types and attack patterns

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EF Pack 1 | $0.99 | one-time |
| Defense Pack 1 | $0.99 | one-time |
| EF Pack 2 | $1.99 | one-time |
| Defense Pack 3 | $2.99 | one-time |
| EF Pack 4 | $4.99 | one-time |
| Defense Pack 4 | $4.99 | one-time |
| EF Pack 5 | $9.99 | one-time |
| Defense Pack 5 | $9.99 | one-time |
| EF Pack 7 | $19.99 | one-time |
| Defense Pack 9 | $29.99 | one-time |


## Frequently asked questions

### Is Castle Defender free?

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

### Is EF Defense free?

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

### Which has better reviews, Castle Defender or EF Defense?

Castle Defender is rated higher. Castle Defender averages 4.5 out of 5 from 124 ratings, while EF Defense averages 4.3 from 57 ratings.

### Do Castle Defender or EF Defense have ads?

EF Defense shows ads; Castle Defender does not.

### Which is updated more often, Castle Defender or EF Defense?

Castle Defender ships an update every 2 weeks, and EF Defense every 3 weeks. Most recently, Castle Defender was updated on November 3, 2026 and EF Defense on November 3, 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.*