Comparison

Shift & Stack vs Gem Factory!

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

Head to head
About

Shift & Stack

Features
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Shift & Stack is a calming blocks sorting puzzle you can play in short breaks or long, zen sessions. Your goal is simple: move the top block, one tap at a time, until every stack is perfectly sorted by color. The challenge is in the planning. One rushed move can trap a color and force you to rethink the whole level. WHY YOU’LL LOVE IT • Easy to learn: tap to pick up and place the top block • Strategy-friendly: no timer, so you can think ahead • Plenty of puzzles: progress from gentle starters to tricky levels • Helpful tools: undo, restart, and optional extra stack when you’re stuck • Satisfying finishes: clean clears and smooth feedback HOW TO PLAY 1) Tap a stack to pick up the top block 2) Tap another stack to place it — only on the same color (and only if there’s space) 3) Win when each stack contains a single color Play to unwind, focus, and challenge your logic — one perfect sort at a time.

About

Gem Factory!

Features
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Welcome to Gem Factory! Get ready to embark on an exciting mining adventure where your logic and puzzle-solving skills will be put to the ultimate test. Grab your trusty pickaxe, break the tiles, and uncover the precious gems hidden beneath! In Gem Factory, your goal is to find specific gem shapes hidden in a grid to unlock the vault door at the top of the screen. You have a limited number of pickaxe swings for each level, so you must carefully plan every move. Tap the tiles to break them, reveal the glowing gems, and collect the exact shapes needed to progress. As you advance, the challenge grows! You will encounter new obstacles like Ice Blockers and Rock Blockers that require extra effort to break. Can you dig smart, manage your limited moves, and clear all the levels? Features: Unique Puzzle Mechanics: A fun blend of tile-breaking and hidden-shape-finding gameplay. Strategic Gameplay: Manage your limited pickaxe moves to find the right gems without failing. Challenging Obstacles: Overcome ice, rocks, and tricky layouts as you progress to higher levels. Brain-Teasing Levels: Each stage requires careful planning and deduction. Crisp Graphics: Enjoy satisfying tile-breaking animations and beautiful gem designs. Play Offline: No internet connection is required. Enjoy digging anytime, anywhere! Download Gem Factory today, start breaking those tiles, and become the ultimate gem master!

Screenshots

Shift & Stack4 screens
Gem Factory!4 screens

Verdict

The call

The clearest difference is ads: Shift & Stack at none against Gem Factory!'s shown. Shift & Stack also leads on iOS requirement (12.0 vs 14.5). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 4 level
Shift & Stack versus Gem Factory!: the parameters behind the verdict, then further details
ParameterShift & StackGem Factory!
PriceFreeFree
Update frequency—Every 2 days
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better14.5
Further details — not scored
Size54 MB117 MB
Age rating4+4+
Developereitezaz ahmadNebih Basaran

In-app purchases

None

Shift & Stack

No in-app purchases

None

Gem Factory!

No in-app purchases

Questions

Is Shift & Stack free?
Shift & Stack is free to download, with no in-app purchases.
Is Gem Factory! free?
Gem Factory! is free to download, with no in-app purchases.
Do Shift & Stack or Gem Factory! have ads?
Gem Factory! shows ads; Shift & Stack does not.

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