Piston Clicker vs Bullet Train!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Piston Clicker
Build and upgrade a virtual money-making machine. Add pistons, increase production speed, and change piston types to generate different currencies. Sell your output to earn more and experience a satisfying, hypnotic simulation.
- Add and upgrade pistons
- Increase production speed
- Change piston types for different money
- Sell production for profit
- Satisfying machine simulation
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Develop your money machine! Add pistons to gain extra coins! Upgrade your speed to make pistons and production band work faster! Upgrade your piston types also changes your type of money! Sell your production to gain more! Play with satisfying and hypnotizing machine!
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: Piston Clicker at none against Bullet Train!'s 10. Piston Clicker also leads on ads (none vs shown). Bullet Train!'s advantage is review sentiment (11% vs 0%). On price, rating, ratings volume and update cadence 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. Piston Clicker asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.3 for Piston Clicker against 4.3 for Bullet Train!. Both are backed by a comparable volume of ratings — 430 and 770 respectively. Written reviews are what separate them: 0% of Piston Clicker's written reviews are positive against 11% of Bullet Train!'s.
Piston Clicker ships an update every 2 weeks, Bullet Train! weekly. The most recent releases landed on July 30, 2026 and September 5, 2026 respectively.
| Parameter | Piston Clicker | Bullet Train! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (430 ratings) | 4.3 (770 ratings) — better |
| Positive reviews | 0.0% of reviews | 11.1% of reviews — better |
| Number of ratings | 430 | 770 — better |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 11.0 |
| Further details — not scored | ||
| Size | 122 MB | 177 MB |
| Age rating | 12+ | 12+ |
| Developer | ozan akbaba | Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi |
Customer experience
Piston Clicker
Bullet Train!
Bugs and requests
Piston Clicker
Not enough reviews yet to summarise bugs or requests.
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
Piston Clicker
No in-app purchases
Bullet Train!
- Drone$1.99
- Captain$2.99
- Sergeant$2.99
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- Flamethrower$2.99
- Grenade$2.99
- No Ads$3.99
- Spy$3.99
- Air strike$3.99
- President$4.99
- Ammo pack$4.99
