Core Defense vs air
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Core Defense
Experience a unique blend of tower defense, roguelike strategy, and deckbuilding. Engage in challenging waves, unlock new rewards, and explore diverse playstyles. This game offers both quick sessions and deep mastery for endless replayability.
- Roguelike mechanics
- Deckbuilding elements
- Unlockable rewards
- Diverse playstyles
- High difficulty
- Short session play
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Core Defense takes the best out of the tower defense genre and infuses it with roguelike mechanics and adds a dash of deckbuilding to create a simple, yet enticing gameplay experience which will have you craving for just one more wave, one more reward and just one ... more ... run! - Easy to learn – needs no tutorial - Hard to master due to high difficulty - Play in short sessions, pause any time - Unlock and discover different rewards with every run - Explore many playstyles and strategies - Unlock dozens of elusive achievements - Save and share infographics about your runs Unlock the premium version to ... - Blissfully despair at 20+ difficulty levels - Try how far you can make it in endless mode Unlock the mastery expansion to ... - Collect mastery points to spend on various bonuses - Beat 10 more difficulty levels - Spice things up with 10 supercharge modes
air
Defend against incoming luggage as a frog in this tower defense game. Purchase upgrades for towers and health to progress further. Customize your character with unlockable outfits and hats.
- 70+ unique upgrades
- Ultimate Upgrades for endgame
- 7 unlockable levels
- Character customization (hats, skins)
- Unique achievements
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Play as a Frog, and don't let any luggage through! Buy upgrades in the shop, such as towers and health, to make it as far as you can! Discover secret interactions and interesting synergies, and earn Star Coins to get outfits and hats! Features 70+ unique upgrades, all with interesting synergies! Ultimate Upgrades that add a twist to the endgame 7 unlock-able levels spanning a range of difficulties Tons of hats, skins, and planes to customize your character with A couple of unique achievements for the insane!
Screenshots
Verdict
The clearest difference is price: Core Defense at Free against air's $4.99. Core Defense also leads on update cadence (fortnightly vs every 9 months) and ratings volume (459 vs 19). air's advantage is ads (none vs shown) and review sentiment (89% vs 61%). On in-app purchases, device support and iOS requirement 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
Core Defense is free to download; air costs $4.99 up front. Core Defense sells 5 one-off in-app purchases and air sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Core Defense holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Core Defense has 459 ratings behind it against 19, so its average is the more settled of the two. Written reviews complicate that: 61% of Core Defense's written reviews are positive against 89% of air's, so the app with the better star average is not the one people write more warmly about.
Core Defense ships an update fortnightly, air every 9 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.
| Parameter | Core Defense | air |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.7 (459 ratings) — better | 4.5 (19 ratings) |
| Positive reviews | 60.9% of reviews | 88.9% of reviews — better |
| Number of ratings | 459 — better | 19 |
| Update frequency | Fortnightly — better | Every 9 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 43 MB | 75 MB |
| Age rating | 12+ | 4+ |
| Developer | Sonderland Games UG haftungsbeschrankt | Brendan Roarty |
Customer experience
Core Defense
air
Bugs and requests
Core Defense
Reported bugs
10 issues- Game crashes to white screen on startup
- Fails to load on first tower select
- Start wave button becomes unresponsive
- White screen flashes during gameplay
- Game returns to main menu unexpectedly
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- UI zooms in with no zoom-out option
- Scrolling functionality is buggy
- Audio crackling throughout gameplay
- Incompatibility with iPad Air 2
- Game soft locks during loading
Requested features
10 requests- Tutorial system for new players
- More tower variety and types
- Stronger upgrade synergies
- More creative tower effects
- Better enemy designs and animations
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- Drone-spawning tower type
- More free game modes
- Reminders about tower and enemy types
- Additional content and levels
- Larger map for better maze design
air
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Core Defense
- 25x PowerPack$0.99
- 100x PowerPack$1.99
- Mastery Expansion$2.99
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- Premium Package$4.99
- Complete Bundle$5.99
air
- Retry Tokens$0.99
- Star Stack$0.99
- Star Bundle$1.99
