Comparison

Tower Keepers vs OTTTD Halfbrick+

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

Head to head
About

Tower Keepers

Build and train an army of heroes to defend your tower in this strategy RPG. Engage in a deep solo campaign with over 75 missions and 70+ monster types, or test your skills against other players in real-time PvP battles.

Highlights
  • Hero training and team building
  • Deep solo campaign with 75+ missions
  • Real-time head-to-head PvP battles
  • 30 unique heroes with special skills
  • 70+ unique monsters and bosses
  • Item crafting, enchanting, and upgrading
Features
Read full description

Heroic strategy RPG with deep solo campaign and real-time head to head battles! Train an epic army of heroes and defend your tower against all enemies. Embark on more than 75 unique missions against 70+ monster types, each with their own special attacks. Loot your foes, discover hidden treasure chests, and complete quests to unlock new skills, weapons, and armor for each hero. Enchant your items or craft new ones to maximize your power, then enter Hero Battles and pit your best team of heroes against other players in real-time head to head play. Play Tower Keepers now for the best free strategy RPG available! EPIC HEROES * Ranger, Necromancer, Samurai, Druid - 30 Heroes from which to build the most effective 4 hero teams possible * Amazing Soul Skill powers - you choose when to trigger awesome abilities like Meteor Swarm, Soul Rend, or Perfect Strike * 9 unique skills per hero, all upgradeable * 7 stars of hero progression to maximize their stats and Soul Skills BEASTLY MONSTERS * 70+ unique monsters with their own animations, stats, resistances, and special abilities * Brutal bosses that will test your hero team building skills REAL-TIME HEAD TO HEAD MULTIPLAYER * Choose your best heroes, equip their best gear, and fight head to head with other players * Perfect your team building and real-time skills to ensure victory! * Compete for the glory of your Guild and win powerful weapons and armor only found in PvP MORE AWESOMER! * 126 weapon and armor items to find, craft, and enchant to make your heroes unstoppable * Launch asynchronous PvP attacks against other players' towers to win the weekly leaderboards * Win Catacomb and Wizard Tower challenges for huge rewards Go build your heroes, customize your teams, and enjoy the epic fun in Tower Keepers! ----------- Ninja Kiwi Notes: Tower Keepers is free to download and play (aside from internet, carrier, data, device, and other services for which the player is financially responsible), but some in-game items can be purchased with real money. You can disable in-app purchases in your device's settings, or reach us at support@ninjakiwi.com for help. Purchases fund our updates and new games, and we sincerely appreciate every vote of confidence you give us with your purchases. Ninja Kiwi Community: We love hearing from our players, so please get in touch with any feedback, positive or negative, at support@ninjakiwi.com. If it's stuff you want the whole community to talk about, then join us on Facebook, Twitter, or Instagram: https://www.facebook.com/TowerKeepers/ https://www.facebook.com/ninjakiwigames/ https://twitter.com/ninjakiwigames https://www.instagram.com/realninjakiwi/ Youtubers and Streamers: Ninja Kiwi is actively developing, supporting, and promoting channel creators on YouTube, Twitch, Kamcord, and Mobcrush. If you are not already working with us, keep making videos and then tell us about your channel at youtube@ninjakiwi.com

About

OTTTD Halfbrick+

This game blends tower defense with real-time strategy, tasking players with defending Earth from alien invasions. Command unique heroes, build and upgrade defensive towers, and face epic boss battles across diverse alien dimensions.

Highlights
  • Tower Defense Meets RTS
  • Command Unique Heroes
  • Build and Upgrade Towers
  • Epic Boss Battles
  • Explore Alien Dimensions
  • Strategic Combat
Read full description

Get ready for OTTTD, now part of the Halfbrick+ subscription catalog! Step into the year 2136, where cutting-edge rift technology allows humans to explore—and sometimes accidentally provoke—hostile alien dimensions. As the commander of Earth’s last line of defense, your mission is simple: protect the planet, eliminate threats, and, if possible, avoid total budget overages. With Halfbrick+, enjoy ad-free gaming, no in-app purchases, and a curated library of premium games like OTTTD, the ultimate genre-blending masterpiece: Features: - Tower Defense Meets RTS: Tactical combat that’s as intense as it is absurd. - Command Unique Heroes: Level up your squad, unlock devastating weapons, and dominate. - Build and Upgrade: Construct powerful towers to fend off waves of bizarre enemies. - Epic Boss Battles: Face foes so absurdly strong, you’ll laugh while strategizing. - Explore Strange Dimensions: Fight across colorful, alien landscapes full of chaos. - Prove your strategic genius and save Earth (or at least part of it). Download OTTTD today with Halfbrick+ and redefine the limits of tower defense! WHAT'S HALFBRICK+ Halfbrick+ is a mobile games subscription service featuring: - Exclusive access to the highest-rated games, including old games and new hits like Fruit Ninja. - No ads or in-app purchases, enhancing your experience with classic games. - Brought to you by the makers of Award-winning mobile games - Regular updates and new games, ensuring your subscription is always worth it. - Curated by hand - for gamers by gamers! Start your One Month free trial and play all our games without ads, in app purchases, and fully unlocked games! Your subscription will auto-renew after 30 days, or save money with an annual membership! If you have any questions, please contact our support team https://support.halfbrick.com View our privacy policy at https://www.halfbrick.com/halfbrick-plus-privacy-policy View our terms of service at https://www.halfbrick.com/terms-of-service

Screenshots

Tower Keepers4 screens
OTTTD Halfbrick+4 screens

Verdict

The call

The clearest difference is review sentiment: Tower Keepers at 57% against OTTTD Halfbrick+'s 0%. Tower Keepers also leads on rating (4.3 vs 3.7) and monetization model (free with in-app purchases vs subscription). OTTTD Halfbrick+'s advantage is update cadence (daily vs every 3 weeks). On price, ads, in-app purchases and device support 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. Tower Keepers sells 12 one-off in-app purchases and OTTTD Halfbrick+ sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Tower Keepers holds the better App Store score, 4.3 against 3.7. That said, the two scores are not equally well evidenced: Tower Keepers has 105 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 57% of Tower Keepers's written reviews are positive against 0% of OTTTD Halfbrick+'s.

UpkeepUpdate frequency

Tower Keepers ships an update every 3 weeks, OTTTD Halfbrick+ daily. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

Scorecard6 real differences · 4 level
Tower Keepers versus OTTTD Halfbrick+: the parameters behind the verdict, then further details
ParameterTower KeepersOTTTD Halfbrick+
PriceFreeFree
Rating4.3 (105 ratings) — better3.7 (3 ratings)
Positive reviews57.1% of reviews — better0.0% of reviews
Number of ratings105 — better3
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10 — better13.0
Further details — not scored
Size229 MB317 MB
Age rating9+12+
DeveloperNinja KiwiHalfbrick Studios

Customer experience

Tower Keepers

All ratings104 ratings
Positive84.6%
Neutral3.8%
Negative11.5%
Written reviews231 reviews
Positive57.1%
Neutral12.1%
Negative30.7%

OTTTD Halfbrick+

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Tower Keepers

Reported bugs

5 issues
  • Forced tutorial is too long
  • Potions not available on iOS
  • Unbalanced PvP matchmaking
  • Crashes and freezes
  • Progress loss issues

Requested features

7 requests
  • Faster combat speed option
  • More character customization options
  • Improved PvP matchmaking
  • Reduce in-app purchase prices
  • Add more new content and events
Show 2 more
  • Fix progress loss issues
  • Improve stability and reduce crashes

OTTTD Halfbrick+

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

Tower Keepers

One-time12
  • Bag of Gold$1.99
  • Advanced Hero Scroll Pack$3.99
  • Pile of Gems$4.99
Show 9 more
  • Starter Pack$4.99
  • Guild Marks$4.99
  • Daily Gems Pack$4.99
  • Artisan Points Pack$4.99
  • Pile of Gold$7.99
  • 4 Void Cores$9.99
  • Sack of Gems$19.99
  • Barrel of Gold$29.99
  • Barrel of Gems$49.99
3 purchases

OTTTD Halfbrick+

Subscriptions3
  • Halfbrick+$2.991 Month
  • Halfbrick+1 Month trial$2.991 Month
  • Halfbrick+2 variants$29.991 Year

Questions

Is Tower Keepers free?
Tower Keepers is free to download, with in-app purchases available.
Is OTTTD Halfbrick+ free?
OTTTD Halfbrick+ is free to download, with in-app purchases available.
Which has better reviews, Tower Keepers or OTTTD Halfbrick+?
Tower Keepers is rated higher. Tower Keepers averages 4.3 out of 5 from 105 ratings, while OTTTD Halfbrick+ averages 3.7 from 3 ratings.
Do Tower Keepers or OTTTD Halfbrick+ have ads?
Neither Tower Keepers nor OTTTD Halfbrick+ shows ads.
Which is updated more often, Tower Keepers or OTTTD Halfbrick+?
Tower Keepers ships an update every 3 weeks, and OTTTD Halfbrick+ daily. Most recently, Tower Keepers was updated on October 21, 2026 and OTTTD Halfbrick+ on October 20, 2026.

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