Comparison

IQ Cube vs Fault Line

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

Head to head
About

IQ Cube

Features
Read full description

Welcome to IQ Cube! It is a brain test we made into a fun game. Play through 100 challenging boards and upgrade to 200 boards through in-app purchase. Many boards consist of geometric shapes you need to create in the shortest amount of time without mistake.

About

Fault Line

This puzzle adventure game challenges players to match gems while managing dynamic board mechanics. Strategically handle rising pressure, contain spreading lava, and overcome escalating hazards. Push your skills to the limit with unique game modes and powerful abilities.

Highlights
  • Hundreds of handcrafted levels
  • Three unique game modes
  • Strategic pressure management
  • Dynamic lava and obstacle mechanics
  • Powerful special gems and abilities
  • Player progression and achievements
  • Endless mode with global leaderboards
Features
Read full description

Fault Line is a puzzle game where every move matters. Match gems, manage rising pressure, contain spreading lava, and overcome increasingly difficult challenges as you push your skills to the limit. Unlike traditional match-3 games, Fault Line introduces dynamic board mechanics that force players to think several moves ahead. Every decision impacts board stability, resource management, and your ability to survive escalating hazards. FEATURES • Hundreds of handcrafted levels • Three unique game modes • Strategic pressure management system • Dynamic lava and obstacle mechanics • Powerful special gems and abilities • Daily rewards and missions • Player progression and achievements • Endless mode with global leaderboards • Challenge mode featuring reactor destruction objectives • Frequent updates and new content CLASSIC MODE Progress through increasingly difficult levels while managing Vector Shifts, Convert Charges, pressure surges, rocks, and lava hazards. Learn new mechanics and master the systems that make Fault Line unique. ENDLESS MODE How long can you survive? Pressure continues to rise as the board becomes more unstable. Compete for high scores and climb the leaderboards against players from around the world. CHALLENGE MODE Solve carefully designed puzzle scenarios with unique objectives. Destroy reactors, clear obstacles, and discover new ways to approach each board. UNLOCK POWERFUL ABILITIES Use special gems to turn the tide: • Quantum Core • Prism Spike • Volt Surge • Void Pulse • Fracture Star Each ability offers new strategic opportunities and can mean the difference between victory and collapse. COMPETE. ADAPT. SURVIVE. Whether you're looking for a relaxing puzzle experience or a deep strategic challenge, Fault Line delivers a unique blend of puzzle-solving, risk management, and progression that keeps every game feeling fresh. Can you contain the instability before everything collapses?

Screenshots

IQ Cube4 screens
Fault Line4 screens

Verdict

The call

The clearest difference is update cadence: Fault Line at every 2 days against IQ Cube's every 2 weeks. IQ Cube's advantage is iOS requirement (15.0 vs 17.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. IQ Cube sells 2 one-off in-app purchases and Fault Line sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

IQ Cube ships an update every 2 weeks, Fault Line every 2 days. Both last shipped on October 31, 2026.

Scorecard2 real differences · 8 level
IQ Cube versus Fault Line: the parameters behind the verdict, then further details
ParameterIQ CubeFault Line
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 2 weeksEvery 2 days — better
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size110 MB70 MB
Age rating4+4+
DeveloperGeeky Games, LLCKris Morin

In-app purchases

2 purchases

IQ Cube

One-time2
  • Premium Boards$2.99
  • No Ads$2.99
10 purchases

Fault Line

One-time10
  • Quantum Core$0.99
  • Prism Spike$0.99
  • Volt Surge$0.99
Show 7 more
  • Void Pulse$0.99
  • Fracture Star$0.99
  • Coins Bundle 750$2.99
  • Starter Bundle$4.99
  • Remove Ads$4.99
  • Coins Bundle 2000$6.99
  • Legendary Bundle$24.99

Questions

Is IQ Cube free?
IQ Cube is free to download, with in-app purchases available.
Is Fault Line free?
Fault Line is free to download, with in-app purchases available.
Do IQ Cube or Fault Line have ads?
Both IQ Cube and Fault Line show ads.
Which is updated more often, IQ Cube or Fault Line?
IQ Cube ships an update every 2 weeks, and Fault Line every 2 days. Most recently, IQ Cube was updated on October 31, 2026 and Fault Line on October 31, 2026.

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