TetraClock vs Pixel Clock
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
TetraClock
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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: γ»Contains ads γ»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.
Pixel Clock
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Make time a little more playful with Pixel Clock - Grid. This landscape clock uses animated pixel digits and lets you customize the pixel color, background, and themes. Add a moving RGB border, falling-digit transitions, heart balloons triggered by a shake, and a weekday indicator. Swipe to the second clock to view another time zone, adjust its offset, and enjoy shatter-and-restore effects and a seconds progress bar. The settings menu supports 13 languages. On first launch, the app selects a matching device language when available; you can change it any time. If your language is not supported, English is used.
Screenshots
Verdict
The clearest difference is ads: Pixel Clock at none against TetraClock's shown. TetraClock's advantage is update cadence (every 2 days vs every 6 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
TetraClock ships an update every 2 days, Pixel Clock every 6 days. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.
| Parameter | TetraClock | Pixel Clock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days β better | Every 6 days |
| Ads | Yes | No β better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 14.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 6 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | Legal Prompt Inc. | YIMING SHI |
In-app purchases
TetraClock
No in-app purchases
Pixel Clock
No in-app purchases
Questions
Is TetraClock free?
Is Pixel Clock free?
Do TetraClock or Pixel Clock have ads?
Which is updated more often, TetraClock or Pixel Clock?
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