Comparison

Perfect Circle Challenge vs Shift Punk

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

Head to head
About

Perfect Circle Challenge

Features
Read full description

How perfect is your circle? This is a daily challenge of precision. Once per day, you get a single chance to draw a circle freehand on your screen. No guides. No corrections. No second attempts. When you finish, your drawing is analysed and scored out of 100 based on how closely it matches a mathematically perfect circle. How it works • Open the app • Draw one continuous circle • Get your score instantly • Return tomorrow to try again Why it’s addictive • Simple but surprisingly difficult • One attempt per day keeps it competitive • Track your improvement over time • Challenge yourself to reach 100 It looks easy. It isn’t. Can you draw the perfect circle?

About

Shift Punk

Dash through a cyber world, outrunning a deletion protocol. Use one-touch controls to switch rails, dodge obstacles, and activate special abilities to achieve freedom. Compete globally for the highest score in this endless runner.

Highlights
  • One-touch controls
  • Rail switching gameplay
  • Unique runner abilities
  • Time-slowing 'Shift' mechanic
  • Global leaderboards
  • Endless chase race
Features
Read full description

[Connected to the Overlay. Deletion Protocol initiated.] Welcome to the Overlay, a cyber world where reality and the digital realm collide. The Central System has marked you as a bug to be deleted. The rules are simple: avoid detection, never stop, and keep running. Outrun the system and race toward freedom! [Key Features] ▶ One-Touch Controls with Surprising Depth Swipe or tap to switch rails. Dodge obstacles and enemies as you race ahead. ▶ Turn the Tide with Shift Chain combos and use items to boost your score and speed. Activate Shift to slow time or charge through danger. ▶ Unique Runners and Abilities Collect Runners with unique abilities and styles. Choose one that suits your playstyle. ▶ Stop and You’ll Be Deleted! A Breathless Chase Race The moment you stop, the system sounds the alarm and the chase begins. ▶ Compete Worldwide Compete for the highest score, longest distance, and best combo. Claim the global No. 1 spot and emerge victorious! Download now, become the ultimate Runner, and break free from the system’s control!

Screenshots

Perfect Circle Challenge4 screens
Shift Punk4 screens

Verdict

The call

The clearest difference is in-app purchases: Perfect Circle Challenge at none against Shift Punk's 6. Perfect Circle Challenge also leads on ads (none vs shown). Shift Punk's advantage is update cadence (weekly vs monthly) and iOS requirement (15.0 vs 18.5). On price 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. Shift Punk sells 6 one-off in-app purchases. Perfect Circle Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

Perfect Circle Challenge ships an update monthly, Shift Punk weekly. Both last shipped on November 13, 2026.

Scorecard4 real differences · 6 level
Perfect Circle Challenge versus Shift Punk: the parameters behind the verdict, then further details
ParameterPerfect Circle ChallengeShift Punk
PriceFreeFree
Rating—4.9 (7 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—7 — better
Update frequencyMonthlyWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.515.0 — better
Further details — not scored
Size5 MB242 MB
Age rating4+4+
DeveloperHENRY THOMAS JAMES FORRESTNvibe Corp.

In-app purchases

None

Perfect Circle Challenge

No in-app purchases

6 purchases

Shift Punk

One-time6
  • First Purchase: 2,000 Coins$0.99
  • 3,000 Coins$2.99
  • 7,000 Coins$5.99
Show 3 more
  • Hacking Package$5.99
  • 14,000 Coins$9.99
  • 30,000 Coins$19.99

Questions

Is Perfect Circle Challenge free?
Perfect Circle Challenge is free to download, with no in-app purchases.
Is Shift Punk free?
Shift Punk is free to download, with in-app purchases available.
Do Perfect Circle Challenge or Shift Punk have ads?
Shift Punk shows ads; Perfect Circle Challenge does not.
Which is updated more often, Perfect Circle Challenge or Shift Punk?
Perfect Circle Challenge ships an update monthly, and Shift Punk weekly. Most recently, Perfect Circle Challenge was updated on November 13, 2026 and Shift Punk on November 13, 2026.

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