Robot Devastators vs Stack Merge
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Robot Devastators
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Defend yourself from looming aliens! A game where you dig, build, and protect robots from approaching aliens 3 types of ore! Buildings are different depending on the type of ore! Each building has its own characteristics! Building space is limited! Build efficiently! How far can you protect yourself from aliens!?
Stack Merge
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Stack Merge is a fast-paced puzzle game where players stack and merge numbered tiles. Combine tiles of the same number to create higher numbers and clear the board. The game ends when there are no more moves left. Aim for the highest score!
Screenshots
Verdict
The clearest difference is update cadence: Stack Merge at every 2 weeks against Robot Devastators's every 3 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Robot Devastators ships an update every 3 months, Stack Merge every 2 weeks. The most recent releases landed on October 10, 2026 and September 24, 2026 respectively.
| Parameter | Robot Devastators | Stack Merge |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 177 MB | 103 MB |
| Age rating | 4+ | 4+ |
| Developer | TechQiao Inc. | Rasel Hossain |
In-app purchases
Robot Devastators
No in-app purchases
Stack Merge
No in-app purchases
Questions
Is Robot Devastators free?
Is Stack Merge free?
Do Robot Devastators or Stack Merge have ads?
Which is updated more often, Robot Devastators or Stack Merge?
Other comparisons
