Comparison

Retro TD vs INFINIDROP

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

Head to head
About

Retro TD

Features
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Build mazes. Watch creeps puzzle through. Hold the line. Retro TD is a hexagonal-arrow tower defense game. Place towers along the path, upgrade between waves, and survive against creeps that follow the arrows you've drawn. Tight, decision-heavy play โ€” no filler, no grind. AI-GENERATED LEVELS Describe a shape โ€” spiral, figure-8, knot, hourglass, twin loop โ€” and the game generates a new level matching it. Each generation uses one credit; the Starter Pack includes 4, and you can top up when you want more. WHAT'S INSIDE โ€ข 30 hand-designed campaign levels, from gentle tutorial to boss-tier โ€ข Four tower types with directional aim-lock โ€ข A radial build menu that keeps your finger out of the action โ€ข Game Center high-wave leaderboards on every level โ€ข Reduced Motion option in Settings โ€ข Portrait, single-handed play IN-APP PURCHASES โ€ข Starter Pack ($2.99): unlocks levels 11โ€“30 and includes 4 AI level credits โ€ข Credits 4-Pack ($1.99): four additional AI level credits SHARING Custom levels can be shared with friends by tapping an import link. Levels are filtered for objectionable content; long-press any received level to report it. No ads. No tracking. No account required.

About

INFINIDROP

Features
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Hunt drops. Fuse beyond INFINITY. Forever. INFINIDROP is an idle RPG that never stands still: your hero keeps fighting while you watch. Every tap makes them faster, every drop makes them stronger, and every fusion brings you closer to gear that probably shouldn't exist. WHY THIS IDLE RPG - Real rivals: guilds, arena and leaderboards with real players from around the world - Progress without you: your hero keeps farming, the reward waits for your return - No ceiling: gear grows beyond GODLIKE all the way to INFINITY - Safely stored: your account lives on servers in the EU, not on your phone FIGHT THROUGH 8 WORLDS - 32 monsters from the Nightwood to the Endtime Zenith, each with its own attack style - Every 20 kills a boss is waiting - Every 50 stages a TITAN with an enrage timer checks whether your gear is really good enough - Before every titan fight the titan offers three face-down cards: bonus or risk, your call GEAR BEYOND GODLIKE - Six rarities from Common to GODLIKE - Fuse three identical pieces for stars - Fuse three godlike pieces into INFINITY gear that grows with you forever - Rift Forge: rift stones add another +10% to all stats, up to rift level 10 - Black Matter: the endgame that transforms your gear one last time ONSLAUGHT ARENA: YOU TAKE CONTROL - The active mode inside the idle RPG: wave after wave against ever more monsters, you move the hero - Every run starts with a starter card of your choice - Every five waves you draw another card, for this run only: Scatter Shot, Ricochet, Run and Gun and more - Hardcore run for endgame heroes with triple marks REAL GUILDS, REAL BATTLES - Found a guild or join one: daily goals, guild vault, chat, ranks and permissions - Guild battles with real matchmaking against other guilds - Once a week the Ultra Dungeon boss shows up ARENA WITH 13 LEAGUES - Duel the real heroes of other players - Climb from Bronze to Champion and hold your league - At the end of the season: gems, rift stones and permanent titles THE TOWER: 100 FLOORS, REBUILT EVERY MONTH - Every floor has its reward, and every tenth one is guarded by a warden with a rule of its own - Five attacks in store, one comes back every hour, and at midnight (UTC) it is full again - On floor 100 waits the Rift: the hardest goal in the game and a title only a few will wear FIVE DUNGEONS, FIVE RUNES - From the Blood Arena to the Ember Crater: five grim dungeons behind the gate on the battle screen - Master a dungeon and its rune is yours: Meteor, Chain Lightning, Poison Cloud, Stoneskin, Frenzy - Cast runes mid-fight, study them up and build your own rune loadout NIGHT MODE: FARM WHILE YOU SLEEP - Monsters snare idle heroes in roots and ice: tap free, or brew the Potion of Steadfastness - 8 hours of undisturbed farming, perfect for the night - In the morning the night report shows you exactly what your hunt brought in THE LUCKY MOMENT - Rift Portal, Fate Stones, wheel of fortune, minigame events, bonus levels and BOOST phases - Every good move is celebrated with a ceremony that feels earned YOUR PROGRESS IS SAFE - Cloud saves on servers in the EU - Rebirth makes you permanently stronger - Offline rewards wait for your return - Server-side fair play protection keeps the leaderboards clean ONE GAME, REAL PEOPLE - Invite friends and you both get a reward - Guild mates, arena rivals, friends and leaderboards: real accounts from around the world VIP subscription (optional): 1-month term, renews automatically until you cancel at least 24 hours before the period ends in your Apple ID subscription settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms (German): https://infinidrop.app/agb Privacy Policy (German): https://infinidrop.app/datenschutz

Screenshots

Retro TD4 screens
INFINIDROP4 screens

Verdict

The call

The clearest difference is ads: Retro TD at none against INFINIDROP's shown. INFINIDROP's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Retro TD sells 2 one-off in-app purchases and INFINIDROP sells 15 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Retro TD ships an update every 3 days, INFINIDROP every 6 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

Scorecard2 real differences ยท 4 level
Retro TD versus INFINIDROP: the parameters behind the verdict, then further details
ParameterRetro TDINFINIDROP
PriceFreeFree
Update frequencyEvery 3 days โ€” betterEvery 6 days
AdsNo โ€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.0 โ€” better
Further details โ€” not scored
Size11 MB107 MB
Age rating9+12+
DeveloperDoug BarrettMoritz Grillnberger

In-app purchases

2 purchases

Retro TD

One-time2
  • 4 AI Level Credits$1.99
  • Starter Pack$2.99
15 purchases

INFINIDROP

Subscriptions1
  • VIP$8.991 Month
One-time14
  • Starter-Paket$0.99
  • Arenatickets$1.99
  • Aufstiegs-Paket Stufe 50$3.99
Show 11 more
  • Battlepass$3.99
  • EXP-Verdoppler ร—2$3.99
  • Turbo-Modus ร—2$3.99
  • Truhe Gold$4.99
  • Ad-Free$7.99
  • Aufstiegs-Paket Stufe 100$8.99
  • Steinkarte (30 Tage)$12.99
  • Tresor Gold$12.99
  • Aufstiegs-Paket Stufe 200$17.99
  • Gold-Imperium$29.99
  • Gold-Galaxie$89.99

Questions

Is Retro TD free?
Retro TD is free to download, with in-app purchases available.
Is INFINIDROP free?
INFINIDROP is free to download, with in-app purchases available.
Do Retro TD or INFINIDROP have ads?
INFINIDROP shows ads; Retro TD does not.
Which is updated more often, Retro TD or INFINIDROP?
Retro TD ships an update every 3 days, and INFINIDROP every 6 days. Most recently, Retro TD was updated on October 28, 2026 and INFINIDROP on October 29, 2026.

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