Magic Defense vs Underdark
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Magic Defense
Engage in an auto-idle defense RPG set in a fantasy world threatened by monsters. Collect spirits and allies, build your deck, and enjoy pinball-style combat in this roguelike adventure.
- Classic defense & roguelike gameplay
- Roguelike structure
- Collect spirits
- Pinball-style combat
- Tower defense deck building
- Collect allies and defend
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Magic Defense: The Ultimate Auto Idle Defense RPG! We've crafted the excitement of blending survival and defense! In a distant fantasy world, where various monsters dominated, a dark force of despair swept through the land. The world was in peril due to relentless attacks from these monsters, and the villagers found themselves in a desperate situation. One day, a hidden magical book capable of summoning the legendary warrior was discovered. Features: ⏩ Enjoy a classic defense&loguelike game! ⏩ Enjoy the thrill of roguelike structure! ⏩ Collect various spirits to assist you! ⏩ Enjoy combat in the style of pinball games! ⏩ Create your deck for tower defense! ⏩ Experience the fun of collecting allies and defense simultaneously!
Underdark
Defend the Eternal Flame from relentless dark forces in this tactical tower defense game. Strategically place towers, choose powerful buffs, and level up unique heroes to forge an impenetrable defense. Enjoy one-handed gameplay for strategic fun anytime, anywhere.
- Defend the Eternal Flame
- One-handed gameplay
- Customize defense strategy
- Level up heroes
- Strategic tower placement
- Choose buffs
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Defend the Flame from the dark! Level up, strategically place towers, and choose buffs to grow stronger. Keep the light alive! Defend the Eternal Flame: Experience the thrill of defending the flame from hordes of dark forces that besiege it! Feel the exhilaration as you clear stages, with each victory more satisfying than the last. One-Handed Gameplay: Enjoy easy-to-master controls, designed for one-handed play. Perfect for strategic fun anytime, anywhere. Customize Your Defense Strategy: Select buffs and strategically place towers to forge your path of resistance. As you level up and choose your growth buffs, your defense becomes an impenetrable fortress. Heroic Stand: Choose your guardians to stand against the night. Each hero brings unique abilities to the battlefield. Earn trophies, level up, and enhance your heroes to ensure the flame flickers on through the darkest nights!
Screenshots
Verdict
The clearest difference is rating: Underdark at 4.8 against Magic Defense's 4.3. Underdark also leads on review sentiment (72% vs 57%) and ratings volume (4.1K vs 432). 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. Magic Defense sells 10 one-off in-app purchases and Underdark sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Underdark holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Underdark has 4.1K ratings behind it against 432, so its average is the more settled of the two. Written reviews point the same way: 57% of Magic Defense's written reviews are positive against 72% of Underdark's.
Magic Defense ships an update weekly, Underdark every 4 days. Both last shipped on November 4, 2026.
| Parameter | Magic Defense | Underdark |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (432 ratings) | 4.8 (4.1K ratings) — better |
| Positive reviews | 57.2% of reviews | 72.0% of reviews — better |
| Number of ratings | 432 | 4.1K — better |
| Update frequency | Weekly | Every 4 days — better |
| 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 | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 632 MB | 520 MB |
| Age rating | 12+ | 4+ |
| Developer | OBLIQUE GAMES, Corp. | SeungHo Chung |
Customer experience
Magic Defense
Underdark
User reviews
Magic Defense
From 432 App Store ratingsWhat we love
- 🚀 Fast gameplay
- 👍 Cute character designs
- 👍 Enjoyable casual experience
- 🚀 Smooth performance
- 💡 Unique tower defense concept
Room to improve
- 💰 Expensive in-app purchases
- 🔍 Lack of transparency on character stats
- 🔍 Unclear progression mechanics
- 🐛 Freezing and crashing issues
- 💰 Aggressive monetization with ads
Underdark
From 4.1K App Store ratingsWhat we love
- 🚀 Addictive gameplay
- 👍 Generous with rewards
- 🚀 Smooth performance
- 👍 No forced ads
- 👍 Unique tower defense mechanics
Room to improve
- 🐛 Multiplayer issues
- 🔋 Battery drain
- 🔒 Paywall for progression
- 🔒 Excessive microtransactions
- 🔒 Confusing UI with too many menus
Bugs and requests
Magic Defense
Reported bugs
4 issues- Accounts being lost or reset after updates
- Time zone changes causing login issues
- Freezing and crashing during ads or gameplay
- Slow server response times for some regions
Requested features
5 requests- Add co-op or multiplayer mode
- Improve character and weapon descriptions
- Implement a one-time ad removal option
- Add a 'sweep' feature for completed content
- Improve summoning/gacha rates and systems
Underdark
Reported bugs
3 issues- Goblin tower factory causing game slowdown
- Consecutive login rewards reset after updates
- Invisible towers in multiplayer
Requested features
5 requests- Ability to rotate towers
- Move towers after placement
- More enemy variety and animations
- Improved co-op mode
- Simplified progression system
In-app purchases
Magic Defense
- Chapter Package 01$0.99
- Gold Piggy 01$0.99
- Chapter Package 02$0.99
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- Chapter Package 03$1.99
- Gold Piggy 02$1.99
- Season Pass Silver$4.99
- Familiar Key Booster x10$4.99
- AD Free Membership - 30 Days$9.99
- Epic Unit Pack$9.99
- Season Pass Gold$12.99
Underdark
- daily_package_01$0.99
- blade_pakcage$2.99
- daily_package_02$2.99
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- exp_2x$3.49
- Event Package 2$3.99
- add_speed$7.49
- season_superpass_1$7.99
- pack_remove_ads$7.99
- pack_remove_ads2$10.99
- season_hyperpass_1$18.99









