# Sync Ball vs Bullet Train!

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.

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.

## The numbers

| Metric | Sync Ball | Bullet Train! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.2K ratings)](https://appshunter.io/ios/app/sync-ball/id1644381991/reviews)** | [4.3 (770 ratings)](https://appshunter.io/ios/app/bullet-train/id6450603663/reviews) |
| Number of ratings | **1.2K** | 770 |
| Positive reviews | **17.5% of reviews** | 11.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 172 MB | 177 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Hyperlab Games](https://appshunter.io/developer/1562984132) | [Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi](https://appshunter.io/developer/1225221447) |

## What reviewers say

### Sync Ball

[App page](https://appshunter.io/ios/app/sync-ball/id1644381991)

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.

**Highlights:** Increase ball count, Level up balls, Boost in-game income, Hypnotic visuals, Relaxing experience

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Satisfying gameplay
- 💡 Interesting concept

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🔍 Lack of content/levels
- 📺 Excessive ads
- 🔍 Repetitive gameplay

**Reported bugs**

- Game not starting
- Buttons not working
- Loss of progress after updates

**Requested features**

- More levels and content
- Improved performance and stability
- Reduced ads or paid ad-free option


### Bullet Train!

[App page](https://appshunter.io/ios/app/bullet-train/id6450603663)

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:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drone | $1.99 | one-time |
| Captain | $2.99 | one-time |
| Sergeant | $2.99 | one-time |
| Flamethrower | $2.99 | one-time |
| Grenade | $2.99 | one-time |
| No Ads | $3.99 | one-time |
| Spy | $3.99 | one-time |
| Air strike | $3.99 | one-time |
| President | $4.99 | one-time |
| Ammo pack | $4.99 | one-time |

**What reviewers like**

- 👍 Good time waster
- 🚀 Pretty good game

**What reviewers complain about**

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

**Reported bugs**

- 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**

- Need more guns and harder enemies
- Fix the free bonus ad clock


## Frequently asked questions

### Is Sync Ball free?

Sync Ball is free to download, with no in-app purchases.

### Is Bullet Train! free?

Bullet Train! is free to download, with in-app purchases available.

### Which has better reviews, Sync Ball or Bullet Train!?

Sync Ball is rated higher. Sync Ball averages 4.4 out of 5 from 1.2K ratings, while Bullet Train! averages 4.3 from 770 ratings.

### Do Sync Ball or Bullet Train! have ads?

Both Sync Ball and Bullet Train! show ads.

### Which is updated more often, Sync Ball or Bullet Train!?

Sync Ball ships an update every 5 days, and Bullet Train! weekly. Most recently, Sync Ball was updated on October 16, 2026 and Bullet Train! on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*