Sync Ball vs Bullet Train!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sync Ball
This game allows you to increase the number and level of your balls, which in turn boosts your in-game income. The visual experience is designed to be relaxing and hypnotic.
- Increase ball count
- Level up balls
- Boost in-game income
- Hypnotic visuals
- Relaxing experience
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Increase the number and level of your balls! In return, your income will increase and the resulting image will relax you!
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.
- Extend bullet belt
- Upgrade ammo
- Inflict more damage
- Destroy enemies
- Increase firing speed
- Earn coins
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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
Verdict
The clearest difference is in-app purchases: Sync Ball at none against Bullet Train!'s 10. On price, rating, review sentiment and ratings volume 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. Bullet Train! sells 10 one-off in-app purchases. Sync Ball asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.4 for Sync Ball against 4.3 for Bullet Train!. Both are backed by a comparable volume of ratings — 1.2K and 770 respectively. Written reviews are what separate them: 18% of Sync Ball's written reviews are positive against 11% of Bullet Train!'s.
Sync Ball ships an update every 5 days, Bullet Train! weekly. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.
| Parameter | Sync Ball | Bullet Train! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (1.2K ratings) — better | 4.3 (770 ratings) |
| Positive reviews | 17.5% of reviews — better | 11.1% of reviews |
| Number of ratings | 1.2K — better | 770 |
| Update frequency | Every 5 days — better | Weekly |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 11.0 |
| Further details — not scored | ||
| Size | 172 MB | 177 MB |
| Age rating | 4+ | 12+ |
| Developer | Hyperlab Games | Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi |
Customer experience
Sync Ball
Bullet Train!
User reviews
Sync Ball
From 1.2K App Store ratingsWhat we love
- 👍 Satisfying gameplay
- 💡 Interesting concept
Room to improve
- 🐛 Bugs and glitches
- 🔍 Lack of content/levels
- 📺 Excessive ads
- 🔍 Repetitive gameplay
Bullet Train!
From 770 App Store ratingsWhat 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
Sync Ball
Reported bugs
3 issues- Game not starting
- Buttons not working
- Loss of progress after updates
Requested features
3 requests- More levels and content
- Improved performance and stability
- Reduced ads or paid ad-free option
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
Sync Ball
No in-app purchases
Bullet Train!
- Drone$1.99
- Captain$2.99
- Sergeant$2.99
Show 7 moreShow fewer
- Flamethrower$2.99
- Grenade$2.99
- No Ads$3.99
- Spy$3.99
- Air strike$3.99
- President$4.99
- Ammo pack$4.99
