Comparison

Dr. Computer vs Clear 4

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

Head to head
About

Dr. Computer

Solve math puzzles by composing equations to match target numbers using colored digits and symbols. This game challenges your logic and arithmetic skills.

Highlights
  • Equation composition
  • Colored numbers and symbols
  • Logic challenges
  • Arithmetic practice
  • Puzzle gameplay
Features
Read full description

Dr. Computer New game from SUD Inc. How to play : Compose equation to meet numbers in the top blackboard with the colored numbers and symbols. SUD Inc.

About

Clear 4

A free puzzle game where players strategically click squares to trigger chain reactions and clear the board. It features simple mechanics with elements like rotating baffles and black holes to add complexity.

Highlights
  • Chain reaction gameplay
  • Strategic square clicking
  • Rotating baffles
  • Black holes
  • Limited steps to clear levels
Features
Read full description

"Clear4" is a new puzzle game which is simple and funny. You can play the game for free, and win the level through your wit in the game. Succinct pictures and play methods, using the chain reaction, experience the pleasant experience brought by the game. How to play: - Click on the square and add the number. - The square with the number 4 will disappear when clicked and bullets will be fired around it. - A square hit by each bullet adds one to the number. - There are rotating baffles to change the direction of the bullet; black holes to swallow the bullet; have coat to restrict the bullet's entry and fire. - Causing chain reaction in limited steps, eliminating all square. Email:zgamegz@hotmail.com

Screenshots

Dr. Computer2 screens
Clear 44 screens

Verdict

The call

The clearest difference is update cadence: Clear 4 at fortnightly against Dr. Computer's every 4 months. Dr. Computer's advantage is iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and monetization model 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.

UpkeepUpdate frequency

Dr. Computer ships an update every 4 months, Clear 4 fortnightly. The most recent releases landed on October 9, 2026 and September 26, 2026 respectively.

Scorecard2 real differences · 8 level
Dr. Computer versus Clear 4: the parameters behind the verdict, then further details
ParameterDr. ComputerClear 4
PriceFreeFree
Rating—3.7 (3 ratings) — better
Positive reviews75.0% of reviews—
Number of ratings—3 — better
Update frequencyEvery 4 monthsFortnightly — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better12.0
Further details — not scored
Size44 MB74 MB
Age rating4+4+
DeveloperSUD Inc.文锋 郑

Customer experience

Dr. Computer

Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Clear 4

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

None

Dr. Computer

No in-app purchases

None

Clear 4

No in-app purchases

Questions

Is Dr. Computer free?
Dr. Computer is free to download, with no in-app purchases.
Is Clear 4 free?
Clear 4 is free to download, with no in-app purchases.
Do Dr. Computer or Clear 4 have ads?
Both Dr. Computer and Clear 4 show ads.
Which is updated more often, Dr. Computer or Clear 4?
Dr. Computer ships an update every 4 months, and Clear 4 fortnightly. Most recently, Dr. Computer was updated on October 9, 2026 and Clear 4 on September 26, 2026.

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