Comparison

EF Defense vs Valkyrie Idle

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

Valkyrie Idle

Embark on an idle RPG adventure in a world inspired by Norse mythology. Collect companions, farm for resources, and upgrade your Valkyrie with powerful skills and equipment to protect the realm. Explore stages and dungeons to uncover the secrets of the gods.

Highlights
  • Norse Mythology Idle RPG
  • Collect 70+ companions with unique skills
  • Farm for growth materials in 10 dungeons
  • Upgrade Valkyrie via promotion system
  • Equip gear with buff effects
  • Unlock dazzling skill effects
  • Customize with numerous costumes
Features
Read full description

Fantasy Idle Action RPG Game A story of growing up to protect the world of Valkyrie and go looking for the gods. Adventure through stages and dungeons and nurture a character and companions through farming [Game Features] - Idle RPG based on Norse Mythology - Adventure with about 70 companions who use various skills - Various equipments that boosts the valkyrie's abilities with buff effects - Acquire various growth materials through 10 dungeons with many concepts - Upgrade the valkyrie more powerful and splendidly through the promotion system - Dazzling and stunning skill effects to defeat enemies - Numerous costumes that enhance the character's ability Help : cs@galabcorp.com Discord : https://discord.gg/7UnT9jY5yN YouTube : https://www.youtube.com/@GAStudioInc

Screenshots

EF Defense4 screens
Valkyrie Idle4 screens

Verdict

The call

EF Defense and Valkyrie Idle both sit at 4.3 stars, but that hides the real split: 61% of Valkyrie Idle's written reviews are positive against 34% of EF Defense's. Valkyrie Idle also leads on ratings volume (177 vs 57). EF Defense's advantage is iOS requirement (13.0 vs 15.0). On price, rating, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for EF Defense against 4.3 for Valkyrie Idle. Both are backed by a comparable volume of ratings — 57 and 177 respectively. Written reviews are what separate them: 34% of EF Defense's written reviews are positive against 61% of Valkyrie Idle's.

UpkeepUpdate frequency

EF Defense ships an update every 3 weeks, Valkyrie Idle monthly. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
EF Defense versus Valkyrie Idle: the parameters behind the verdict, then further details
ParameterEF DefenseValkyrie Idle
PriceFreeFree
Rating4.3 (57 ratings)4.3 (177 ratings) — better
Positive reviews34.1% of reviews60.6% of reviews — better
Number of ratings57177 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size237 MB454 MB
Age rating12+9+
DeveloperMANA GAME FACTORY PTE. LTD.GA Studio Inc.

Customer experience

EF Defense

All ratings58 ratings
Positive81.0%
Neutral5.2%
Negative13.8%
Written reviews82 reviews
Positive34.1%
Neutral6.1%
Negative59.8%

Valkyrie Idle

All ratings176 ratings
Positive83.0%
Neutral2.8%
Negative14.2%
Written reviews99 reviews
Positive60.6%
Neutral5.1%
Negative34.3%

Bugs and requests

EF Defense

Not enough reviews yet to summarise bugs or requests.

Valkyrie Idle

Reported bugs

17 issues
  • Game crashes after loading
  • Device becomes laggy after crash
  • Game doesn't open
  • Hollows bugged (consuming resources without benefit)
  • Relic upgrades not increasing power
Show 12 more
  • Idle progression can lead to falling levels
  • Orb dungeon ticket requirements are too high
  • Guild freezing (cannot join or open guild page)
  • Can't get past loading screen
  • Game won't load
  • Game won't launch
  • Stuck on loading screen
  • Permanently banned after update
  • Data reset after update
  • Update prompt without available update
  • Game says phone is rooted when it's not
  • Sign-in issues with Apple/Google

Requested features

8 requests
  • Fix iPhone crashing issues
  • Improve offline idle rewards
  • Make XP, gold, and tickets easier to get for new players
  • Address emulator usage
  • Make costumes available for rubies and money
Show 3 more
  • Fix purchase ad bug
  • Improve character designs
  • Make buttons and text larger

In-app purchases

10 purchases

EF Defense

One-time10
  • EF Pack 1$0.99
  • Defense Pack 1$0.99
  • EF Pack 2$1.99
Show 7 more
  • 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
10 purchases

Valkyrie Idle

One-time10
  • Growth Support Box 1$0.99
  • Daily Companion Summon Pack$1.99
  • Daily Dungeon Ticket Pack$1.99
Show 7 more
  • Daily Transcendence Stone Pack$1.99
  • Daily Equipment Summon Pack$1.99
  • Weekly Growth Package$2.99
  • Growth Support Box 2$3.99
  • Remove Ads & Unlimited Buff$5.99
  • Growth Support Box 3$6.99
  • Weekly Dungeon Ticket Pack$8.99

Questions

Is EF Defense free?
EF Defense is free to download, with in-app purchases available.
Is Valkyrie Idle free?
Valkyrie Idle is free to download, with in-app purchases available.
Which has better reviews, EF Defense or Valkyrie Idle?
Valkyrie Idle is rated higher. EF Defense averages 4.3 out of 5 from 57 ratings, while Valkyrie Idle averages 4.3 from 177 ratings.
Do EF Defense or Valkyrie Idle have ads?
Both EF Defense and Valkyrie Idle show ads.
Which is updated more often, EF Defense or Valkyrie Idle?
EF Defense ships an update every 3 weeks, and Valkyrie Idle monthly. Most recently, EF Defense was updated on November 3, 2026 and Valkyrie Idle on November 3, 2026.

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