Space Expansion vs Stack Merge Mobile
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Space Expansion
Build and expand a vast space empire by tapping to gather resources, automating production, and exploring new worlds. This idle clicker offers deep progression with clean visuals, perfect for both short breaks and long play sessions.
- Tap to collect resources
- Automate production
- Upgrade planets
- Explore new worlds
- Global leaderboard
- Minimalist idle clicker
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Build your space empire – idle, tap & expand! Start from one lonely planet. Tap to gather resources, automate production, send ships, and explore new worlds. Expand your galactic network and build a vast, ever-growing space empire. Features • Tap to collect resources – simple & satisfying • Automate production – earn while you’re away • Send ships & upgrade planets – grow your interplanetary economy • Explore new worlds & galaxies – expand far beyond your starting system • Global leaderboard – compare your progress with players worldwide Space Expansion is a minimalist idle clicker with clean visuals and deep progression. Perfect for short breaks – or long sessions as your empire keeps growing. --- Play for free. No paywalls. Optional ads for extra boosts.
Stack Merge Mobile
A satisfying puzzle game where players efficiently pack blocks to create higher numbers and earn gold. Compete for high scores on the leaderboard and enjoy a relaxing experience that can be paused and resumed anytime.
- Block stacking puzzle gameplay
- High score competition
- Leaderboard rankings
- In-game item usage
- Pause and resume functionality
- Relaxing time-passing activity
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Stack Merge is a satisfying puzzle game where every move matters. Efficiently pack an endless queue of blocks without running out of space. The more you stack, the higher your score. Compete for rank on the leaderboard! Use items to your advantage as you create higher numbers and earn more gold. Stack Merge is a great way to pass time; pause and resume whenever you'd like with no limitations!
Screenshots
Verdict
The clearest difference is rating: Stack Merge Mobile at 5.0 against Space Expansion's 4.3. Stack Merge Mobile also leads on review sentiment (100% vs 60%) and ads (none vs shown). On price, ratings volume, update cadence 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. Neither carries in-app purchases, so what you see is what you pay.
Stack Merge Mobile holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 21 and 9 respectively. Written reviews point the same way: 60% of Space Expansion's written reviews are positive against 100% of Stack Merge Mobile's.
Space Expansion ships an update every 10 days, Stack Merge Mobile fortnightly. The most recent releases landed on October 28, 2026 and October 20, 2026 respectively.
| Parameter | Space Expansion | Stack Merge Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (21 ratings) | 5.0 (9 ratings) — better |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 21 — better | 9 |
| Update frequency | Every 10 days — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 14.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Tobias Ehret | Alec Richard Pickup |
Customer experience
Space Expansion
Stack Merge Mobile
In-app purchases
Space Expansion
No in-app purchases
Stack Merge Mobile
No in-app purchases
Questions
Is Space Expansion free?
Is Stack Merge Mobile free?
Which has better reviews, Space Expansion or Stack Merge Mobile?
Do Space Expansion or Stack Merge Mobile have ads?
Which is updated more often, Space Expansion or Stack Merge Mobile?
Other comparisons
