# Bullet Train! vs OneByOne

The clearest difference is in-app purchases: OneByOne at none against Bullet Train!'s 10. Bullet Train!'s advantage is update cadence (weekly vs monthly) and iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Bullet Train! sells 10 one-off in-app purchases. OneByOne asks for nothing beyond the download.

Bullet Train! ships an update weekly, OneByOne monthly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Bullet Train! | OneByOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (779 ratings)](https://appshunter.io/ios/app/bullet-train/id6450603663/reviews)** | — |
| Number of ratings | **779** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 177 MB | 75 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi](https://appshunter.io/developer/1225221447) | [亮 肖](https://appshunter.io/developer/1659147026) |

## What reviewers say

### 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


### OneByOne

[App page](https://appshunter.io/ios/app/onebyone-infinite-challenge/id6738702980)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bullet Train! free?

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

### Is OneByOne free?

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

### Do Bullet Train! or OneByOne have ads?

Both Bullet Train! and OneByOne show ads.

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

Bullet Train! ships an update weekly, and OneByOne monthly. Most recently, Bullet Train! was updated on October 24, 2026 and OneByOne on October 7, 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.*