Comparison

Stack Flip 3D vs One Line

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

Head to head
About

Stack Flip 3D

Features
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Stack Flip 3D is a game where the main character arrives at the target point while avoiding obstacles through flip or jump. The way to play is to swipe the main character left, right or up at the correct timing. Hitting is about timing and Stack Flip 3D is about timing and orientation.

About

One Line

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Can you solve every puzzle with one continuous line? One Line: Kitty & Doggy turns a classic one-stroke challenge into a bright, relaxing puzzle adventure. Trace a smooth path from start to finish, learn the rule in seconds, and discover clever new mazes as the difficulty grows. WHY YOU’LL LOVE IT • 405 puzzles—from quick warm-ups to tricky brain teasers • Simple one-touch controls with smooth, satisfying drawing • A gentle difficulty curve that keeps every win rewarding • 13 colorful themes to collect and use • Cute kitty and doggy companions cheering you on • Helpful tips when you need a nudge • Short, relaxing sessions for a spare minute or a longer puzzle break HOW TO PLAY Choose your route, then draw one continuous line through the board. Plan ahead: one small choice can be the difference between a perfect path and a dead end. If a level seems impossible, pause, rethink the pattern, and try a smarter route. Easy to learn. Delightfully tricky to master. Download One Line: Kitty & Doggy and see how many of the 405 puzzles you can solve.

Screenshots

Stack Flip 3D4 screens
One Line4 screens

Verdict

The call

The clearest difference is in-app purchases: One Line at none against Stack Flip 3D's 1. Stack Flip 3D's advantage is ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). 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. Stack Flip 3D sells 1 one-off in-app purchase. One Line asks for nothing beyond the download.

UpkeepUpdate frequency

Stack Flip 3D ships an update every 3 days, One Line every 3 weeks. Both last shipped on November 7, 2026.

Scorecard4 real differences · 2 level
Stack Flip 3D versus One Line: the parameters behind the verdict, then further details
ParameterStack Flip 3DOne Line
PriceFreeFree
Update frequencyEvery 3 days — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size37 MB45 MB
Age rating4+4+
DeveloperIK SEONG PARKGuangzhou Ziheon Information Tech Co., Ltd.

In-app purchases

1 purchases

Stack Flip 3D

One-time1
  • No ads$2.99
None

One Line

No in-app purchases

Questions

Is Stack Flip 3D free?
Stack Flip 3D is free to download, with in-app purchases available.
Is One Line free?
One Line is free to download, with no in-app purchases.
Do Stack Flip 3D or One Line have ads?
One Line shows ads; Stack Flip 3D does not.
Which is updated more often, Stack Flip 3D or One Line?
Stack Flip 3D ships an update every 3 days, and One Line every 3 weeks. Most recently, Stack Flip 3D was updated on November 7, 2026 and One Line on November 7, 2026.

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