Comparison

Cogs vs 84 Edges

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

Head to head
About

Cogs

A remastered 3D puzzle game where you construct intricate machines using sliding tiles. Explore various game modes, from building step-by-step to timed challenges and move-limited puzzles.

Highlights
  • Build complex machines with sliding tiles
  • 3D puzzle gameplay
  • Inventor Mode for learning
  • Time Challenge Mode
  • Move Challenge Mode
  • Remastered for modern devices
Features
Read full description

Cogs is a multi-award-winning puzzle game where players build increasingly complex machines using sliding tiles 3D. Originally launched in 2009, we completely remastered Cogs from the ground up in 2025 to look beautiful on modern phones and tablets. "One of the highest quality puzzle games we've seen." – PocketGamer "The visual design and imagination of the game are stunning, with great attention to detail, and the sound effects are downright enticing." – Adrenaline Vault "A masterpiece visually, as well with the actual gameplay." – AppAdvice INVENTOR MODE Starting with simple puzzles, players are introduced to the widgets that are used to build machines — gears, pipes, balloons, chimes, hammers, wheels, props, and more. TIME CHALLENGE MODE If you finish a puzzle in Inventor Mode, it will be unlocked here. This time, it will take fewer moves to reach a solution, but you only have 30 seconds to find it. MOVE CHALLENGE MODE Take your time and plan ahead. Every tap counts when you only get ten moves to find a solution.

About

84 Edges

A challenging sliding tile puzzle where players must align all 84 edges on a cube. It offers over 200 handcrafted levels, from easy introductions to extremely difficult permutations, with customizable themes and a global leaderboard.

Highlights
  • Over 200 handcrafted levels
  • Align all 84 edges
  • Intuitive slide-tile controls
  • Diamond badge for optimal solutions
  • Worldwide leaderboard
  • Endless color themes
  • Friendly tutorial
Features
Read full description

Looking for the ultimate puzzle challenge? 84 Edges is a deceptively simple puzzle with a deviously deep challenge. Slide tiles across the faces of the cube to line up all 84 edges. Sounds easy… until it isn't. Start with gentle intro puzzles that teach you the ropes in seconds. Then watch the difficulty climb, level after level, until you're staring down some of the most fiendish permutation puzzles ever built. With more possible combinations than any other 3x3 cube puzzle out there, every single solve feels earned. WHY YOU'LL GET HOOKED • 200+ handcrafted levels — from a relaxing warm-up to genuinely diabolical • Match all 84 edges with smooth, intuitive slide-tile controls • Chase the optimal solution and earn the coveted diamond badge • Climb the worldwide leaderboard and prove you're the best • Endless color themes — make every puzzle look exactly how you like • Friendly tutorial that gets anyone playing, ages 12 to 112 EASY TO LEARN, ENDLESS TO MASTER Anyone can slide a tile. But solving 84 Edges in the fewest moves possible? That's the real game. Whether you've got two minutes in line or a long quiet evening ahead, there's always one more level calling your name. COMPETE WITH THE WORLD Every level you master pushes you up the global ranks. Think you've got what it takes to reach the top spot? Climb the same worldwide leaderboard as players everywhere and stake your claim. MAKE IT YOURS Tired of the same old look? Customize your colors endlessly and play in a style that's 100% you. No timers forcing you to rush. No pay-to-win shortcuts. Just you, the cube, and the satisfying click of every edge falling into place. Download 84 Edges and find out: can you solve them all?

Screenshots

Cogs4 screens
84 Edges4 screens

Verdict

The call

The clearest difference is review sentiment: 84 Edges at 100% against Cogs's 55%. 84 Edges also leads on price (Free vs $4.99) and in-app purchases (none vs 4). Cogs's advantage is iOS requirement (13.0 vs 15.1). On ratings volume, update cadence, ads 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

84 Edges is free to download; Cogs costs $4.99 up front. Cogs sells 4 one-off in-app purchases. 84 Edges asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

84 Edges holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 33 and 17 respectively. Written reviews point the same way: 55% of Cogs's written reviews are positive against 100% of 84 Edges's.

UpkeepUpdate frequency

Cogs ships an update every 2 months, 84 Edges every 5 weeks. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 4 level
Cogs versus 84 Edges: the parameters behind the verdict, then further details
ParameterCogs84 Edges
Price$4.99Free — better
Rating4.6 (33 ratings)5.0 (17 ratings) — better
Positive reviews54.6% of reviews100.0% of reviews — better
Number of ratings33 — better17
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size93 MB67 MB
Age rating4+12+
DeveloperLazy 8 Studios84 LLC

Customer experience

Cogs

All ratings33 ratings
Positive90.9%
Neutral3.0%
Negative6.1%
Written reviews368 reviews
Positive54.6%
Neutral11.4%
Negative34.0%

84 Edges

All ratings17 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Cogs

Reported bugs

2 issues
  • Game crashes on some devices
  • Levels don't load properly

Requested features

3 requests
  • Add a reset option
  • Provide more free levels
  • Improve restore purchase functionality

84 Edges

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Cogs

One-time4
  • Cogs Puzzle Pack 2$0.99
  • Cogs Puzzle Pack 3$0.99
  • Cogs Puzzle Pack 4$0.99
Show 1 more
  • Cogs Puzzle Pack 5$0.99
None

84 Edges

No in-app purchases

Questions

Is Cogs free?
Cogs costs $4.99, and also offers in-app purchases.
Is 84 Edges free?
84 Edges is free to download, with no in-app purchases.
Which has better reviews, Cogs or 84 Edges?
84 Edges is rated higher. Cogs averages 4.6 out of 5 from 33 ratings, while 84 Edges averages 5.0 from 17 ratings.
Do Cogs or 84 Edges have ads?
Neither Cogs nor 84 Edges shows ads.
Which is updated more often, Cogs or 84 Edges?
Cogs ships an update every 2 months, and 84 Edges every 5 weeks. Most recently, Cogs was updated on September 22, 2026 and 84 Edges on September 23, 2026.

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