Rail Defence vs Merge Fleet Loop
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Rail Defence
Defend your castle from waves of enemies by strategically placing and upgrading weapons on a circular railway. Utilize special powers and enhanced armaments to repel increasingly formidable foes and protect your stronghold.
- Circular railway defense
- Acquire new weapons
- Upgrade weapons
- Strengthen defenses
- Special powers
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Defend your castle on a circular railway. Acquire new weapons as you gain experience. Strengthen your weapons and keep increasingly larger enemies away from your castle. Strengthen your defences by using special powers and weapons.
Merge Fleet Loop
Embark on a sea adventure, starting with a single ship. Merge and upgrade your fleet, mine resources, and explore new locations to build a maritime empire. Enjoy relaxing clicker gameplay and strategic merging.
- Merge and upgrade ships
- Explore new sea locations
- Mine valuable resources
- Build a maritime empire
- Relaxing clicker gameplay
- Strategic merging
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Embark on a thrilling sea adventure with Merge Fleet Loop! Begin with a single ship, merge and upgrade your fleet, and mine resources to build your maritime empire. Explore new locations in the vast water world. Enjoy relaxing clicker gameplay and strategic merging as you craft your way to success. Features: Merge Fleet: Combine ships to create powerful vessels with greater cargo capacity. Explore and Mine: Unlock new sea locations and discover valuable resources. Craft and Upgrade: Strategize to maximize resources and improve your fleet. Addictive clicker mechanics paired with strategic merging and exploration.
Screenshots
Verdict
The clearest difference is review sentiment: Merge Fleet Loop at 33% against Rail Defence's 2%. Merge Fleet Loop also leads on rating (4.4 vs 4.1). Rail Defence's advantage is ratings volume (1.1K vs 55) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases 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. Rail Defence sells 18 one-off in-app purchases and Merge Fleet Loop sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Merge Fleet Loop holds the better App Store score, 4.4 against 4.1. That said, the two scores are not equally well evidenced: Rail Defence has 1.1K ratings behind it against 55, so its average is the more settled of the two. Written reviews point the same way: 2% of Rail Defence's written reviews are positive against 33% of Merge Fleet Loop's.
Rail Defence ships an update fortnightly, Merge Fleet Loop every 2 weeks. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.
| Parameter | Rail Defence | Merge Fleet Loop |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (1.1K ratings) | 4.4 (55 ratings) — better |
| Positive reviews | 1.7% of reviews | 33.3% of reviews — better |
| Number of ratings | 1.1K — better | 55 |
| Update frequency | Fortnightly | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 156 MB | 203 MB |
| Age rating | 4+ | 9+ |
| Developer | Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi | Oleksandr Khliubko |
Customer experience
Rail Defence
Merge Fleet Loop
User reviews
Rail Defence
From 1.1K App Store ratingsWhat we love
- 🚀 Hack
Room to improve
- 🐛 Glitches
- 💸 Obscene amount of Ads
- 💸 Advertisement Simulator
- 💸 Ads Ads & more Ads
- 💸 Ads
Merge Fleet Loop
From 55 App Store ratingsWhat we love
- 🚀 Fast and smooth gameplay
- 👍 Relaxing and enjoyable experience
Room to improve
- 🔒 Restricted expansion beyond level 5
- 💤 Lack of new content or updates
Bugs and requests
Rail Defence
Reported bugs
3 issues- The bomb does not work after a few seconds
- Randomly the weapons won't work
- The crossbow stops working after a while
Requested features
3 requests- More levels
- Different zombies
- More upgrades
Merge Fleet Loop
Reported bugs
2 issues- Expansion button not working past level 5
- Accumulation of stars with no further use
Requested features
2 requests- More expansion levels
- Additional content and features
In-app purchases
Rail Defence
- Cash kickstart pack$1.99
- 10 Tickets$1.99
- Manager$2.99
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- Money Fountain Pack$2.99
- Engineer$2.99
- 20 Tickets$2.99
- Big Deal Pack$3.99
- Financier$3.99
- Royal Treasury Pack$4.99
- 50 Tickets$4.99
- No Ads$4.99
- Bundle$5.99
- Treasury Trove Pack$5.99
- 30 Tickets and No Ads$5.99
- Mega Bundle$7.99
- Big Vault Pack$8.99
- Ultra Bundle$10.99
- Big Chest Treasure$11.99
Merge Fleet Loop
- Remove Ads$2.99
Questions
Is Rail Defence free?
Is Merge Fleet Loop free?
Which has better reviews, Rail Defence or Merge Fleet Loop?
Do Rail Defence or Merge Fleet Loop have ads?
Which is updated more often, Rail Defence or Merge Fleet Loop?
Other comparisons
