Comparison

TetraClock vs Pixel Clock

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

Head to head
About

TetraClock

Features
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'TetraClock' is a clock app that represents the time by stacking seven types of single-sided tetromino-shaped blocks as they fall. The differences from the paid version are as follows: ・Contains ads ・No Watch App [How to Use] Tap the screen: Open the settings screen. Long press the screen: Stack the blocks again. [Main Features] - Switch between 12/24-hour display - Toggle seconds display ON/OFF - Monotone display - Fill in ON/OFF - Change outline color - Change transition animations - Change falling speed - Change background color [Notices] Due to the animation effect used for changing numbers, there may be a discrepancy between the displayed time and the actual time. Please do not use the displayed time as a basis for important decisions.

About

Pixel Clock

Features
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Step into a new world of timekeeping with our interactive clock app! Whether you’re looking for a sleek, stylish design or a playful, colorful experience, we’ve got features that will blow you away. Explore creative effects that make telling time fun, dynamic, and engaging. Features that redefine timekeeping: 1. Dynamic RGB Border Light: Add a vibrant, colorful border around your clock display. Watch as stunning RGB lights swirl and pulse, creating an immersive visual treat that makes your screen pop. 2. Falling Number Transition: Say goodbye to boring transitions! Watch as unused clock numbers gracefully fall away during updates, adding a sleek, fluid motion that keeps your clock visually dynamic. 3. Shatter and Restore: Shake things up! With just a gentle shake, watch the clock digits explode into pieces before magically reassembling themselves. It’s a satisfying and unique visual delight. 4. Heartbeat Balloons: Add a touch of charm to your clock! Knock lightly on the table, and heart-shaped balloons will gently float across the screen, adding a warm and joyful vibe. 5. Dual Timezone Adjuster: Traveling or working across time zones? Effortlessly adjust the second timezone with a simple slider, while keeping your current timezone highlighted. Perfect for quickly viewing timezone differences. Whether you’re looking to personalize your clock, impress friends, or simply add some joy to your daily routine, our app brings time to life. Enjoy a modern, user-friendly interface with fluid animations and stunning effects, all optimized for smooth performance.

Screenshots

TetraClock3 screens
Pixel Clock4 screens

Verdict

The call

The clearest difference is ads: Pixel Clock at none against TetraClock's shown. Pixel Clock also leads on iOS requirement (12.0 vs 14.0). TetraClock's advantage is update cadence (every 2 days vs every 5 days). On price, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TetraClock ships an update every 2 days, Pixel Clock every 5 days. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 3 level
TetraClock versus Pixel Clock: the parameters behind the verdict, then further details
ParameterTetraClockPixel Clock
PriceFreeFree
Update frequencyEvery 2 days — betterEvery 5 days
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size6 MB58 MB
Age rating4+4+
DeveloperLegal Prompt Inc.YIMING SHI

In-app purchases

None

TetraClock

No in-app purchases

None

Pixel Clock

No in-app purchases

Questions

Is TetraClock free?
TetraClock is free to download, with no in-app purchases.
Is Pixel Clock free?
Pixel Clock is free to download, with no in-app purchases.
Do TetraClock or Pixel Clock have ads?
TetraClock shows ads; Pixel Clock does not.
Which is updated more often, TetraClock or Pixel Clock?
TetraClock ships an update every 2 days, and Pixel Clock every 5 days. Most recently, TetraClock was updated on September 17, 2026 and Pixel Clock on September 23, 2026.

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