Comparison

Slide Puzzle Galaxy vs ALPHASTACK

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Slide Puzzle Galaxy

Features
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A classic number slide puzzle with a fresh twist. Featuring two blanks, the puzzles feel intuitive and fast-paced. Just swipe or tap to move tiles. No complicated rules — anyone can jump in and enjoy this brain-training puzzle right away. Feel the satisfying haptic feedback when tiles slide into place. That final perfect move is pure satisfaction. Enjoy 150 carefully designed stages, plus an additional EXTRA mode for deeper challenges. • Intuitive controls for smooth gameplay • A fresh puzzle style with two blanks • Perfect for quick sessions • Wide difficulty range and full trophy completion If you manage to collect every trophy… You are the Architect of the Universe.

About

ALPHASTACK

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ALPHASTACK is a simple physics game where you stack letters from A to Z, in order. The controls are simple. Tap where you want, and the letter drops straight down. No left-right adjustments. No skills required. But the moment a letter falls below the base, it’s game over. It’s okay if the stack collapses. It’s okay if it overlaps or tilts. As long as it doesn’t fall, you continue. If it falls, it ends. Physics behavior changes every time. Collision detection faithful to the actual shape of each letter. Difficulty is always the same — only luck and intuition matter. Instant restart after failure. Stack from A to Z to clear. Nothing more. Nothing less. Short sessions. Before you know it, you’re playing again. A game that’s meaningless — yet impossible to stop.

Screenshots

Slide Puzzle Galaxy4 screens

Verdict

The call

The clearest difference is in-app purchases: ALPHASTACK at none against Slide Puzzle Galaxy's 1. Slide Puzzle Galaxy's advantage is device support. On price and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Slide Puzzle Galaxy sells 1 one-off in-app purchase. ALPHASTACK asks for nothing beyond the download.

Scorecard2 real differences · 3 level
Slide Puzzle Galaxy versus ALPHASTACK: the parameters behind the verdict, then further details
ParameterSlide Puzzle GalaxyALPHASTACK
PriceFreeFree
AdsYes—
In-app purchasesYesNo — better
DevicesiPhone, iPad — better—
Requires iOS17.6 — better18.2
Further details — not scored
Size10 MB21 MB
Age rating4+4+
DeveloperKOTARO OMORIsho tsugawa

In-app purchases

1 purchases

Slide Puzzle Galaxy

One-time1
  • Galaxy Pro$2.99
None

ALPHASTACK

No in-app purchases

Questions

Is Slide Puzzle Galaxy free?
Slide Puzzle Galaxy is free to download, with in-app purchases available.
Is ALPHASTACK free?
ALPHASTACK is free to download, with no in-app purchases.

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