Comparison

Balls Rollerz Idle 3D Puzzle vs Bullet Train!

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

Head to head
About

Balls Rollerz Idle 3D Puzzle

Tap to control rolling balls and build mechanisms to guide them to their destination. Earn coins to upgrade your contraptions and become a ball tycoon in this idle puzzle game.

Highlights
  • Tap-based gameplay
  • Build custom ball paths
  • Earn coins for upgrades
  • Idle progression
  • Mechanism challenges
  • Ball tycoon simulation
Features
Read full description

Are you fast enough? Test out your action and reaction speed as you tap your way to success in Balls Rollerz Idle 3D – the ultimate idle ball game. In Balls Rollerz Idle 3D, you are the master of construction, speed and success. The faster you tap, the faster those balls will roll and make it to their destination. And that means coin, baby! Levers, gears, slides, dominos, drops, and more are all that stand between you and your goal. Create the path to idle games victory! Release those balls into your tailored mechanism and watch as they travel along the route. Will they make it? Or will you have to start the game all over again? The challenge is in your hands. Can you become a ball tycoon? Every time you get a ball into the hole, you get more coins. And that coin means you can upgrade your ball-moving mechanism – add more parts for even more fun! In this exciting balling game, triumph is at your fingertips. So, keep up the turbo and tap, tap, tap your path to success! Download Balls Rollerz Idle 3D and play the ultimate idle game of games!

About

Bullet Train!

Engage in a thrilling arcade experience where you upgrade your ammunition to inflict maximum damage on enemies. Earn coins by destroying foes to enhance your bullet belt and firing speed. Become a master of destruction with increasingly powerful projectiles.

Highlights
  • Extend bullet belt
  • Upgrade ammo
  • Inflict more damage
  • Destroy enemies
  • Increase firing speed
  • Earn coins
Features
Read full description

Improve your bullets and inflict more damage to your enemies as you progress through the game. Upgrade your ammo belt and bullets with the coins you earn as you destroy your enemies. With each upgrade, your bullets become deadlier, delivering devastating blows to your enemies. Increase the firing speed as you tap on the screen. More taps, more bullets!

Screenshots

Balls Rollerz Idle 3D Puzzle4 screens
Bullet Train!4 screens

Verdict

The call

The clearest difference is ads: Balls Rollerz Idle 3D Puzzle at none against Bullet Train!'s shown. Balls Rollerz Idle 3D Puzzle also leads on review sentiment (27% vs 11%) and rating (4.6 vs 4.3). On price, update cadence, in-app purchases and monetization model 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. Balls Rollerz Idle 3D Puzzle sells 7 one-off in-app purchases and Bullet Train! sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Balls Rollerz Idle 3D Puzzle holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Balls Rollerz Idle 3D Puzzle has 5.8K ratings behind it against 779, so its average is the more settled of the two. Written reviews point the same way: 27% of Balls Rollerz Idle 3D Puzzle's written reviews are positive against 11% of Bullet Train!'s.

UpkeepUpdate frequency

Balls Rollerz Idle 3D Puzzle ships an update every 10 days, Bullet Train! weekly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Balls Rollerz Idle 3D Puzzle versus Bullet Train!: the parameters behind the verdict, then further details
ParameterBalls Rollerz Idle 3D PuzzleBullet Train!
PriceFreeFree
Rating4.6 (5.8K ratings) — better4.3 (779 ratings)
Positive reviews26.6% of reviews — better11.1% of reviews
Number of ratings5.8K — better779
Update frequencyEvery 10 daysWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better11.0
Further details — not scored
Size279 MB177 MB
Age rating12+12+
DeveloperGismartUpperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi

Customer experience

Balls Rollerz Idle 3D Puzzle

All ratings5,790 ratings
Positive88.2%
Neutral4.3%
Negative7.5%
Written reviews203 reviews
Positive26.6%
Neutral5.9%
Negative67.5%

Bullet Train!

All ratings770 ratings
Positive82.6%
Neutral5.2%
Negative12.2%
Written reviews45 reviews
Positive11.1%
Neutral4.4%
Negative84.4%

User reviews

Balls Rollerz Idle 3D Puzzle

From 5.8K App Store ratings

What we love

  • 🚀 Unique and satisfying gameplay
  • 👍 Relaxing and mindless experience
  • 💡 Interesting concept

Room to improve

  • 🤬 Excessive and intrusive ads
  • 🔒 Forced ad-watching to progress
  • 🐛 Bugs and crashes
  • ⏱️ Slow progression and upgrades
  • 🔋 High ad frequency drains battery

Bullet Train!

From 779 App Store ratings

What we love

  • 👍 Good time waster
  • 🚀 Pretty good game

Room to improve

  • 🐛 Bug that crashes game
  • 🐛 Game freeze
  • 🔍 Forced ads
  • 🔍 Terrible ad push
  • 🔍 Ads every minute

Bugs and requests

Balls Rollerz Idle 3D Puzzle

Reported bugs

3 issues
  • Game freezes and crashes
  • Upgrade buttons don't work
  • Progress resets after updates

Requested features

5 requests
  • More levels and complexity
  • Ability to purchase upgrades without ads
  • Sandbox mode
  • Custom skins and tracks
  • Less restrictive progression

Bullet Train!

Reported bugs

4 issues
  • Missions trophy crashes the game
  • Game freezes when clicking on missions
  • Paid for no ads but still have ads
  • Free bonus ad clock not working properly

Requested features

2 requests
  • Need more guns and harder enemies
  • Fix the free bonus ad clock

In-app purchases

7 purchases

Balls Rollerz Idle 3D Puzzle

One-time7
  • 100 Gems$0.99
  • VIP Sale on Discount!$0.99
  • VIP Sale!$1.99
Show 4 more
  • No interstitials!$2.99
  • Permanent x3 income boost$3.99
  • 550 Gems$4.99
  • 2500 Gem$19.99
10 purchases

Bullet Train!

One-time10
  • Drone$1.99
  • Captain$2.99
  • Sergeant$2.99
Show 7 more
  • Flamethrower$2.99
  • Grenade$2.99
  • No Ads$3.99
  • Spy$3.99
  • Air strike$3.99
  • President$4.99
  • Ammo pack$4.99

Questions

Is Balls Rollerz Idle 3D Puzzle free?
Balls Rollerz Idle 3D Puzzle is free to download, with in-app purchases available.
Is Bullet Train! free?
Bullet Train! is free to download, with in-app purchases available.
Which has better reviews, Balls Rollerz Idle 3D Puzzle or Bullet Train!?
Balls Rollerz Idle 3D Puzzle is rated higher. Balls Rollerz Idle 3D Puzzle averages 4.6 out of 5 from 5.8K ratings, while Bullet Train! averages 4.3 from 779 ratings.
Do Balls Rollerz Idle 3D Puzzle or Bullet Train! have ads?
Bullet Train! shows ads; Balls Rollerz Idle 3D Puzzle does not.
Which is updated more often, Balls Rollerz Idle 3D Puzzle or Bullet Train!?
Balls Rollerz Idle 3D Puzzle ships an update every 10 days, and Bullet Train! weekly. Most recently, Balls Rollerz Idle 3D Puzzle was updated on October 29, 2026 and Bullet Train! on October 24, 2026.

Other comparisons