Stack Attack!! vs Rail Defence
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Stack Attack!!
Engage in intense battles against waves of enemies, strategically demolishing their formations with powerful weapons. Upgrade your capabilities by selecting the best skills to protect the cube world from a malevolent hex invasion.
- Defeat enemy waves
- Demolish enemy stacks
- Upgrade skills
- Save the cube world
- Space invader gameplay
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Defeat waves of enemies! Use your weapons to demolish the enemies' stacks! Choose the best skills to upgrade your power! Save the cube world from the evil hexes!
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.
Screenshots
Verdict
The clearest difference is review sentiment: Stack Attack!! at 23% against Rail Defence's 2%. Stack Attack!! also leads on rating (4.3 vs 4.1). 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. Stack Attack!! sells 19 one-off in-app purchases and Rail Defence sells 18 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Stack Attack!! holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 403 and 894 respectively. Written reviews point the same way: 23% of Stack Attack!!'s written reviews are positive against 2% of Rail Defence's.
Stack Attack!! ships an update every 2 weeks, Rail Defence fortnightly. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.
| Parameter | Stack Attack!! | Rail Defence |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (403 ratings) — better | 4.1 (894 ratings) |
| Positive reviews | 23.2% of reviews — better | 1.7% of reviews |
| Number of ratings | 403 | 894 — better |
| Update frequency | Every 2 weeks — better | Fortnightly |
| 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 | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 247 MB | 156 MB |
| Age rating | 12+ | 4+ |
| Developer | Voodoo | Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi |
Customer experience
Stack Attack!!
Rail Defence
User reviews
Stack Attack!!
From 403 App Store ratingsWhat we love
- 👍 Simple and fun gameplay
- 🚀 No ads or microtransactions
- 💡 Nice armor upgrade system
Room to improve
- 🐛 Glitches and bugs, especially after updates
- 🐛 Progress and upgrades getting reset or lost
- 🐛 Levels becoming unplayable after a certain point
Rail Defence
From 894 App Store ratingsWhat we love
- 🚀 Hack
Room to improve
- 🐛 Glitches
- 💸 Obscene amount of Ads
- 💸 Advertisement Simulator
- 💸 Ads Ads & more Ads
- 💸 Ads
Bugs and requests
Stack Attack!!
Reported bugs
3 issues- Enemies' health scaling with player's attack power
- Levels freezing or getting stuck at checkpoints
- Weapon and upgrade levels getting downgraded randomly
Requested features
3 requests- Mute sound effects option
- Better communication from developers about updates
- More content and stages to progress through
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
In-app purchases
Stack Attack!!
- Gem Pack Small$0.99
- Gold Pack Small$0.99
- Starter Pack$2.99
Show 16 moreShow fewer
- No Ads$2.99
- Gem Pack Medium$4.99
- 2X Speed!$4.99
- Gold Pack Medium$4.99
- Skip'its Medium Pack$5.99
- Gem Pack Large$9.99
- Gold Pack Large$9.99
- Premium Pass$14.99
- Gem Pack XL$19.99
- Skip'its Large Pack$19.99
- Gold Pack XL$19.99
- Diamond Hero$29.99
- Gem Pack XXL$49.99
- Gold Pack XXL$49.99
- Gem Pack XXXL$99.99
- Gold Pack XXXL$99.99
Rail Defence
- Cash kickstart pack$1.99
- 10 Tickets$1.99
- Manager$2.99
Show 15 moreShow fewer
- 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
Questions
Is Stack Attack!! free?
Is Rail Defence free?
Which has better reviews, Stack Attack!! or Rail Defence?
Do Stack Attack!! or Rail Defence have ads?
Which is updated more often, Stack Attack!! or Rail Defence?
Other comparisons
