Gun Assembly vs Bullet Train!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Gun Assembly
Assemble and customize a wide variety of guns by tapping to earn money and unlock new mods. Open loot boxes to acquire awesome upgrades and assemble legendary items to create the ultimate firearm.
- Tap to earn money
- Open loot boxes
- Acquire awesome mods
- Customize gun aspects
- Assemble legendary items
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Tap your way through the arsenal of cool guns! - Shoot and earn money by tapping on the screen. - Purchase loot boxes that grant you awesome mods. - Customize every aspect of your gun. - Assemble legendary items to get the best gun. Every bullet counts, go ahead and expand your arsenal!
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: Gun Assembly at none against Bullet Train!'s 10. Gun Assembly also leads on rating (4.6 vs 4.3) and review sentiment (29% vs 11%). On price, ratings volume, update cadence and ads 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. Gun Assembly asks for nothing beyond the download.
Gun Assembly holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 325 and 770 respectively. Written reviews point the same way: 29% of Gun Assembly's written reviews are positive against 11% of Bullet Train!'s.
Gun Assembly ships an update every 4 days, Bullet Train! weekly. The most recent releases landed on August 15, 2026 and September 5, 2026 respectively.
| Parameter | Gun Assembly | Bullet Train! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (325 ratings) — better | 4.3 (770 ratings) |
| Positive reviews | 28.6% of reviews — better | 11.1% of reviews |
| Number of ratings | 325 | 770 — better |
| Update frequency | Every 4 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 | 246 MB | 177 MB |
| Age rating | 12+ | 12+ |
| Developer | Besim Toker | Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi |
Customer experience
Gun Assembly
Bullet Train!
Bugs and requests
Gun Assembly
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
Gun Assembly
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
