BUMPY UFO vs Defense Factory
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
BUMPY UFO
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UFOs gathered today, instead of bumper cars You are free to bump as much as you like When it collides, it stops for a while. The more you collide, the more points you earn. If your collide with him or her who is stunned, you can steal points. When someone reaches the target score, The game is over. You have to pay an entrance fee to participate in the game. All entrance fees are winner-take-all, Only going to the winner. Now is the time. enjoy yourself Win. The higher the level, the more number of participants and the greater the prize money. Enjoy as a child
Defense Factory
This game blends tower defense with incremental mechanics, where your tower acts as a factory spawning minions to battle invaders. Evolve your army, research upgrades, and compete in tournaments to defend your territory.
- Minion-spawning tower defense
- Evolving minion army
- Factory production upgrades
- Card collection bonuses
- Live tournament competitions
- Research new upgrades
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Defense Factory revolutionizes the tower defense genre, offering a unique twist on strategy and incremental gaming. In this game, your tower is not just a stationary defense; it's a factory that spawns powerful minions to wage epic battles against relentless enemy invaders. Dive into the world of idle defense and witness your minion army evolve, capturing the true essence of incremental games. Experience the excitement of incremental games! Download Defense Factory - Tower Defense and become a master of idle defense tactics! Embark on the Ultimate Idle Tower Defense Adventure! 1. MINION-POWERED DEFENSE Defense Factory sets you on an exhilarating journey in the realm of minion-spawning tower defense. Challenge your strategic skills by building the ultimate factory tower to protect your territory from relentless hordes of enemy invaders. Command and upgrade your ever-growing minion army, making tactical decisions to fend off attackers and establish your dominance. Witness your minions crush your foes, and become the hero of this unique incremental tower defense game. 2. EVOLVING MINIONS As you progress through the game, unlock a diverse array of powerful minions and upgrades that enhance your factory's output. Customize your minion army to adapt to different waves of enemy assaults. Choose your strategies wisely, and see the big picture as you secure your territory with an ever-evolving army of minions. 3. A WORLD OF POSSIBILITIES Defense Factory offers more than just your typical defense game. Uncover new battlegrounds, defeat formidable bosses, and explore a world filled with tactical potential. Whether you're an idle game enthusiast or a newcomer, embrace the challenge of mastering the art of minion-spawning tower defense! 4. START YOUR FACTORY TODAY! With an intuitive interface, Defense Factory is easy to pick up and play, catering to both tower defense veterans and newcomers. Immerse yourself in thrilling and engaging gameplay that will keep you coming back for more. Defense Factory features: - Addictive and innovative minion-spawning tower defense gameplay; - A plethora of minion upgrades to choose from; - Invest in your factory's production to permanently strengthen your minion army; - Research new upgrades to unlock additional game features; - Unlock and manage your card collection for significant bonuses; - Compete in live tournaments to unlock ultimate powers for your minions. Spawn, upgrade, and conquer! Will your Minion Factory withstand the test of time in this new idle tower defense game? If you seek a challenging and addictive tower defense experience that puts your skills to the test, look no further than Defense Factory. Build your minion army, defend your territory, and prove your tactical prowess on the battlefield! Embrace the challenge of mastering Defense Factory, where idle games come to life!
Screenshots
Verdict
The clearest difference is in-app purchases: BUMPY UFO at none against Defense Factory's 9. BUMPY UFO also leads on iOS requirement (8.0 vs 15.0). Defense Factory's advantage is update cadence (every 2 days vs every 6 weeks). On price, ads 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
Both are free to download. Defense Factory sells 9 one-off in-app purchases. BUMPY UFO asks for nothing beyond the download.
BUMPY UFO ships an update every 6 weeks, Defense Factory every 2 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | BUMPY UFO | Defense Factory |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 6 weeks | Every 2 days — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 48 MB | 210 MB |
| Age rating | 4+ | 4+ |
| Developer | KAEGUREE | Andrew Quoc Tran |
In-app purchases
BUMPY UFO
No in-app purchases
Defense Factory
- 100 Gems$4.99
- 225 Gems$9.99
- Premium Pass 1$9.99
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- Starter Pack$9.99
- 500 Gems$19.99
- 800 Gems$29.99
- Master Pack$29.99
- 1400 Gems$49.99
- 3000 Gems$99.99
Questions
Is BUMPY UFO free?
Is Defense Factory free?
Do BUMPY UFO or Defense Factory have ads?
Which is updated more often, BUMPY UFO or Defense Factory?
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