Elroi vs EF Defense
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Elroi
Embark on an adventurous expedition to conquer a new continent through strategic tower defense battles. Foster characters, collect powerful artifacts, and overcome enormous bosses across over 500 stages. Enjoy simple controls and character growth perfect for casual play.
- Over 500 stages across various territories
- Enormous boss battles
- Collect hidden artifacts with powerful effects
- Over 200 unique characters
- Easy controls and character growth
- Occupation, defense, time attack modes
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Super-simple battles! Go on an adventurous expedition to pioneer a new continent! Pioneer a new continent by fostering your characters and executing various strategies! Huge bosses and amazing relics are in front of you. ◆ Features - Perfect for Casual Play! Fun for all ages! - Various territories! Over 500 stages! - Occupation, defense, time attack, and boss battles! - Enormous bosses! - Collect hidden artifacts and activate powerful artifact effects! - Over 200 unique characters! - Easy controls and character growth! - And lastly, an unknown new continent waiting for you... Simple game rules that anyone can enjoy - even for beginners! Summon your characters with a simple touch, defeat monsters, and destroy enemy towers to discover amazing artifacts. Collect artifacts to grow your team, and hire and nurture powerful heroes and master characters.
EF Defense
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.
- 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
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The Darkness surges upon the continent of Akaros, the land of abundance. Rally the Heroes of various tribes and form a strong defense for the showdown! 1. Unique Heroes of various tribes Heroes of varying tribes have gathered to defend the Akaros continent! Train unique and powerful Heroes to unlock their hidden abilities! 2. Diverse battlefields and powerful, specialized traps Leave behind the simple, boring backgrounds and collect growing maps that assist you in protecting the kingdom! A monster from beyond the ice wall will roar, and terrorize enemies and the arm of a god will appear through a portal to push enemies away, aiding you in your fight! 3. Protectors that protect the battlefield with powerful skills! Despite their cuteness, Protectors aren’t just the mascots, but possess the power to turn the tide of a battle! Collect Protectors that hatch from tiny eggs, take control of the battlefield, and protect their allies! 4. This isn’t just about Defense! Ditch the traditional model of just blocking for defense and experience all sorts of different styles of combat! The Frontier, to conquest the enemy bases beyond the defense that only protects the kingdom! The Arena, to win the honorable combat against powerful opponents for the position of the strongest! The Grand Arena, to fight across three different battlefields to claim victory! The Tower of Trials, to climb floor by floor, defeating the guardians of each stage! 5. A variety of unique enemies! Enemies, that only walk or fly from one side to the other? Too easy! [Frog Defense], where you face off against enemies that fall from the sky and skip floors. [Goblin Defense], where enemies appear on random floors through portals. [Ghost Elimination], where you face off against enemies that attack both the earth and the air. ■ Customer Support - You can receive more detailed guide by indicating your ID when sending us the inquiry. - The basic information are indicated automatically in the inquiry mail if sent via 1:1 Inquiry menu in Game Setting screen. - Customer Support: cs@managf.com - Official Facebook : http://www.facebook.com/efdefenseglobal/ ■ Note - By downloading or installing this app, you are considered to have agreed to the terms and conditions of Mana Game Factory. (Terms of Use & Privacy Policy: http://policy.managf.com/policy.html) - This game contains in-app purchases of items to help you with the game. - In-app purchases can be restricted through your device settings. For more information, please visit https://support.apple.com/ko-kr/HT204030.
Screenshots
Verdict
The clearest difference is review sentiment: Elroi at 82% against EF Defense's 34%. Elroi also leads on rating (4.8 vs 4.3) and ratings volume (917 vs 57). On price, update cadence, ads and in-app purchases 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. Elroi 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.
Elroi holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Elroi has 917 ratings behind it against 57, so its average is the more settled of the two. Written reviews point the same way: 82% of Elroi's written reviews are positive against 34% of EF Defense's.
Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on November 3, 2026.
| Parameter | Elroi | EF Defense |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (917 ratings) — better | 4.3 (57 ratings) |
| Positive reviews | 82.2% of reviews — better | 34.1% of reviews |
| Number of ratings | 917 — better | 57 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 200 MB | 237 MB |
| Age rating | 4+ | 12+ |
| Developer | ekgames | MANA GAME FACTORY PTE. LTD. |
Customer experience
Elroi
EF Defense
Bugs and requests
Elroi
Reported bugs
3 issues- Occasional crashes and login issues
- Inconsistent performance on some devices
- Bugs with certain hero abilities and relics
Requested features
4 requests- Add PVP mode for player-vs-player battles
- Implement a skip/auto-clear function for repeated stages
- Improve sorting and filtering options for heroes
- Provide more detailed tooltips and explanations
EF Defense
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Elroi
- ELROI Package 101$2.99
- ELROI Package 405$2.99
- ELROI Package 301C$2.99
Show 7 moreShow fewer
- ELROI Package 602$5.99
- ELROI Package 406$8.99
- ELROI Package 601$8.99
- ELROI Package 1001C$9.99
- ELROI Package 603$11.99
- ELROI Package 1202C$11.99
- ELROI Package 1003$26.99
EF Defense
- EF Pack 1$0.99
- Defense Pack 1$0.99
- EF Pack 2$1.99
Show 7 moreShow fewer
- Defense Pack 3$2.99
- EF Pack 4$4.99
- Defense Pack 4$4.99
- EF Pack 5$9.99
- Defense Pack 5$9.99
- EF Pack 7$19.99
- Defense Pack 9$29.99









