Comparison

Unjammed Blocks vs Block Stack

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

Head to head
About

Unjammed Blocks

Features
Read full description

Unjammed Blocks โ€“ slide colorful blocks, clear the board, solve fun puzzles! Get ready to unjam the board in Unjammed Blocks, a colorful and satisfying puzzle game packed with smart challenges, fun levels, and smooth block-sliding gameplay. Move the blocks, find the right path, and clear each puzzle step by step. Every level brings a new board to solve, with bright visuals, playful characters, and that satisfying moment when everything clicks into place. Easy to start and fun to master โ€” whether you want a quick puzzle break or a longer challenge session, each level gives you a fresh way to test your logic and planning. FEATURES Fun block-sliding puzzle gameplay Colorful levels and cheerful visuals Easy controls with satisfying moves Brain-teasing puzzles for all players New challenges as you progress Relaxing yet clever gameplay Slide, solve, and clear the board. Can you unjam every level? Download now! Privacy policy: https://braingames.net/privacy-policy/ Terms of use: https://braingames.net/terms-of-service/

About

Block Stack

Features
Read full description

Slide the blocks. Match the colors. Complete the stacks! Discover a colorful twist on sliding block puzzles in Block Stack: Color Sort Puzzle. Move blocks around a crowded board, stack blocks of the same color on one another and watch the cover close when each stack is complete. Think ahead, work around obstacles and finish the puzzle before time runs out. SLIDE YOUR WAY THROUGH Every move changes your options. Shift blocks into available spaces, unblock paths and find a route through the grid. Choosing which piece to move first is part of the challenge. STACK MATCHING COLORS Find matching color blocks and bring them together. Move one block onto another of the same color to build your stack. Plan the order carefully and consider the surrounding pieces as you work toward your next match. COMPLETE THE STACK, CLOSE THE COVER Keep stacking until the stack is complete, then enjoy the satisfying moment when its cover closes into place. Each finished stack brings you one step closer to solving the puzzle. Which color will you complete next? PLAN AHEAD AND BEAT THE CLOCK Keep an eye on the countdown as you solve the puzzle. Balance quick decisions with careful planning, navigate obstacles and work out the order that lets you complete every stack. HOW TO PLAY Slide colorful blocks through available spaces. Find blocks of the same color and stack them on one another. Keep building until each stack is complete. Watch the cover close over a finished stack. Complete all required stacks before the timer runs out. WHY PLAY BLOCK STACK? Sliding block puzzles with color sorting and stacking. Colorful shapes and chunky 3D-style visuals. Obstacles that challenge your route planning. Satisfying stacking and cover-closing effects. Timed gameplay that tests your next-move decisions. Enjoy figuring out how pieces fit and finding a way through a crowded grid? Put your logic and spatial thinking to the test in a color sorting puzzle where the order of your moves matters. Play Block Stack: Color Sort Puzzle and turn your next match into a completed stack!

Screenshots

Unjammed Blocks4 screens
Block Stack4 screens

Verdict

The call

The clearest difference is in-app purchases: Unjammed Blocks at none against Block Stack's 1. On price, update cadence, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Block Stack sells 1 one-off in-app purchase. Unjammed Blocks asks for nothing beyond the download.

UpkeepUpdate frequency

Unjammed Blocks ships an update weekly, Block Stack every 4 days. Both last shipped on October 15, 2026.

Scorecard1 real difference ยท 5 level
Unjammed Blocks versus Block Stack: the parameters behind the verdict, then further details
ParameterUnjammed BlocksBlock Stack
PriceFreeFree
Update frequencyWeeklyEvery 4 days โ€” better
AdsYesYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size238 MB204 MB
Age rating4+4+
DeveloperMad Brain Games LTDWodh LTD

In-app purchases

None

Unjammed Blocks

No in-app purchases

1 purchases

Block Stack

One-time1
  • Remove Ads$4.99

Questions

Is Unjammed Blocks free?
Unjammed Blocks is free to download, with no in-app purchases.
Is Block Stack free?
Block Stack is free to download, with in-app purchases available.
Do Unjammed Blocks or Block Stack have ads?
Both Unjammed Blocks and Block Stack show ads.
Which is updated more often, Unjammed Blocks or Block Stack?
Unjammed Blocks ships an update weekly, and Block Stack every 4 days. Most recently, Unjammed Blocks was updated on October 15, 2026 and Block Stack on October 15, 2026.

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