Comparison

Smart Flip Clock vs Bubble Calm

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

Head to head
About

Smart Flip Clock

A full-screen digital clock featuring a minimalist page-flipping animation for time display. It's designed for easy viewing from any angle and can aid in focused study, reading, and work sessions.

Highlights
  • Full-screen clock display
  • Page-flipping animation
  • Minimalist and practical design
  • Assists in focused study and work
  • Easy time viewing from any angle
Features
Currently charting
Read full description

Smart Flip Clock is a beautiful full-screen clock that displays time changes with a minimalist and practical page-flipping animation. The simple design allows you to easily view time changes from any angle. Smart Flip Clock can be used to assist learning, effectively helping you focus on studying, reading, and working within a scientific time.

About

Bubble Calm

Features
Read full description

Bubble Calm: Your Peaceful Escape A small space to slow down. Tap. Breathe. Let go. Bubble Calm is a beautifully simple app designed to help you find moments of calm in your day. No goals. No pressure. No distractions. Just you and the gentle rhythm of bubbles floating and popping. WHY BUBBLE CALM? In our fast-paced world, we all need moments to pause. Bubble Calm creates a peaceful digital space where you can slow down, breathe, and simply be present. Whether you need a quick 30-second break or a longer meditation session, Bubble Calm adapts to your needs. KEY FEATURES Simple & Beautiful Experience the calming satisfaction of popping bubbles with an elegant, minimalist interface designed to reduce stress and promote relaxation. Customize Your Experience • Choose from multiple bubble colors and visual styles • Select your favorite background (solid colors, gradients, or subtle patterns) • Adjust bubble sizes and falling speeds to match your mood Ambient Soundscapes (Plus) Enhance your calm with procedurally generated ambient sounds: • Ocean waves • Gentle rain • White noise • Pink noise Breathing Guides (Plus) Follow gentle breathing exercises with visual overlays: • Calm 4/6 breathing • Box 4/4 breathing • Long exhale 4/8 breathing Enhanced Pop Effects (Plus) Experience satisfying visual feedback with: • Particle effects • Trailing animations • Ripple effects Multiple Presets Quickly switch between curated experiences: • Zen Sparse: Slow, meditative bubbles • Soft Rain: Gentle, continuous flow • One Bubble: A single large bubble for maximum calm (Plus) Premium Features (Bubble Calm Plus) Unlock the full experience with Bubble Calm Plus: • Unlimited bubble color customization • Multi-color modes (single, multiple, gradient, cycling) • Enhanced visual styles (realistic, metallic, glossy) • Background customization (solid, gradient, patterns) • Ambient soundscapes with volume control • Breathing overlay guides • Advanced settings and presets • One-bubble calm preset HOW IT WORKS Simply open the app and tap "Start." Bubbles will begin floating down your screen. Tap them to pop them—there's no score, no timer, no pressure. Just the satisfying sensation of popping bubbles at your own pace. Customize your experience through the settings menu. Adjust bubble sizes, speeds, colors, and backgrounds to create the perfect calming environment for you. WHEN TO USE BUBBLE CALM • Before an important meeting or presentation • During a stressful moment at work • Before bed to wind down • During a break between tasks • Anytime you need a moment to breathe PRIVACY & SIMPLICITY Bubble Calm respects your privacy. All gameplay statistics and preferences are stored locally on your device. We don't collect personal information, and you don't need to create an account to use the app. DESIGNED FOR CALM Every aspect of Bubble Calm has been carefully designed to promote relaxation: • Soft, rounded typography • Gentle animations • Calming color palettes • No notifications or distractions • Dark mode optimized Start your journey to calm today. Download Bubble Calm and discover your peaceful space.

Screenshots

Smart Flip Clock2 screens
Bubble Calm4 screens

Verdict

The call

The clearest difference is price: Bubble Calm at Free against Smart Flip Clock's $0.99. Bubble Calm also leads on update cadence (daily vs every 3 weeks). Smart Flip Clock's advantage is in-app purchases (none vs 1) and chart position (#195 vs unranked). On 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

Bubble Calm is free to download; Smart Flip Clock costs $0.99 up front. Bubble Calm sells 1 one-off in-app purchase. Smart Flip Clock asks for nothing beyond the download.

UpkeepUpdate frequency

Smart Flip Clock ships an update every 3 weeks, Bubble Calm daily. The most recent releases landed on August 14, 2026 and September 18, 2026 respectively.

Scorecard5 real differences · 6 level
Smart Flip Clock versus Bubble Calm: the parameters behind the verdict, then further details
ParameterSmart Flip ClockBubble Calm
Price$0.99Free — better
Rating4.9 (19 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings19 — better—
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
Best chart rank#195 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better18.6
Further details — not scored
Size1 MB10 MB
Age rating4+4+
Developer泳诗 陈picturing bits

In-app purchases

None

Smart Flip Clock

No in-app purchases

1 purchases

Bubble Calm

One-time1
  • Bubble Calm Plus$1.99

Questions

Is Smart Flip Clock free?
Smart Flip Clock costs $0.99, with no in-app purchases.
Is Bubble Calm free?
Bubble Calm is free to download, with in-app purchases available.
Do Smart Flip Clock or Bubble Calm have ads?
Neither Smart Flip Clock nor Bubble Calm shows ads.
Which is updated more often, Smart Flip Clock or Bubble Calm?
Smart Flip Clock ships an update every 3 weeks, and Bubble Calm daily. Most recently, Smart Flip Clock was updated on August 14, 2026 and Bubble Calm on September 18, 2026.

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