Rockets Stack vs Idle Merge
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Rockets Stack
Engage in thrilling battles by collecting powerful rockets to unleash upon monstrous foes. Strategize your collection and combat to achieve victory.
- Collect rockets
- Destroy monsters
- Strategic combat
- Action gameplay
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Collect rockets and destroy monsters!
Idle Merge
Build and upgrade powerful tanks by merging components. Engage in intense PvE survival battles against waves of enemies or test your creations in real-time PvP duels. Earn rewards even while offline and strategize your way to becoming the ultimate tank commander.
- Merge and upgrade tank parts
- Survival PvE battles
- Real-time PvP duels
- Idle offline rewards
- Strategic tank customization
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Tank Merger: Build. Upgrade. Survive. Start from a basic tank and transform it into a battlefield beast! Merge weapons, bodies, and wheels to craft the ultimate war machine. Face relentless waves of enemies in survival PvE mode – or test your build in real-time PvP duels! Key Features: Merge & Upgrade: Combine matching parts to unlock stronger components. Every merge matters! Survival Battles (PvE): Defend against endless waves of enemies – only the best builds survive. Real-time PvP Mode: Challenge real players, climb the leaderboards, and prove your tank is the strongest. Idle Rewards: Earn while you’re offline, then return to upgrade and dominate. Strategic Gameplay: Position parts, plan upgrades, and customize your tank to fit your playstyle. Whether you're a strategist, a battler, or a casual player who loves tanks – Tank Merger has something for you. Build smart. Fight hard. Rise through the ranks and become the ultimate tank commander. Ready to merge and conquer? Join the fight today.
Screenshots
Verdict
The clearest difference is rating: Idle Merge at 4.2 against Rockets Stack's 2.2. Idle Merge also leads on review sentiment (28% vs 18%). Rockets Stack's advantage is in-app purchases (none vs 5) and ratings volume (284 vs 73). On price, update cadence, ads and device support 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. Idle Merge sells 5 one-off in-app purchases. Rockets Stack asks for nothing beyond the download.
Idle Merge holds the better App Store score, 4.2 against 2.2. Both are backed by a comparable volume of ratings — 284 and 73 respectively. Written reviews point the same way: 18% of Rockets Stack's written reviews are positive against 28% of Idle Merge's.
Rockets Stack ships an update fortnightly, Idle Merge every 2 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | Rockets Stack | Idle Merge |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (284 ratings) | 4.2 (73 ratings) — better |
| Positive reviews | 18.0% of reviews | 28.1% of reviews — better |
| Number of ratings | 284 — better | 73 |
| Update frequency | Fortnightly | Every 2 weeks — better |
| 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 | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 385 MB | 270 MB |
| Age rating | 12+ | 4+ |
| Developer | SUPERSONIC STUDIOS LTD | Nguyen Quang Khanh |
Customer experience
Rockets Stack
Idle Merge
Bugs and requests
Rockets Stack
Reported bugs
4 issues- Invisible or disappearing rocket launchers
- Progression stopping at certain levels
- Weapons not upgrading past a certain point
- Losing progress or inventory items
Requested features
3 requests- Ability to delete or discard unwanted crates
- More weapon and upgrade variety
- Improved game balance and progression
Idle Merge
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Rockets Stack
No in-app purchases
Idle Merge
- Diamond Pack 1$4.99
- Remove Ads$6.99
- Diamond Pack 2$9.99
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- Limited Offer$12.99
- Diamond Pack 3$19.99
Questions
Is Rockets Stack free?
Is Idle Merge free?
Which has better reviews, Rockets Stack or Idle Merge?
Do Rockets Stack or Idle Merge have ads?
Which is updated more often, Rockets Stack or Idle Merge?
Other comparisons
