TetraClock vs Studio Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TetraClock
This clock app uses falling tetromino blocks to display the time. Customize colors, animations, and display formats. Note that the displayed time may have slight discrepancies due to animation effects.
- Tetromino block time display
- Customizable colors and animations
- 12/24-hour format
- Seconds display toggle
- Adjustable falling speed
- Background color options
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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.
Studio Clock
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Simple Studio Clock – A minimalist studio clock for iPhone, iPad, and Mac. Does exactly what it needs to – no more, no less. More features coming soon!
Screenshots
Verdict
The clearest difference is ads: Studio Clock at none against TetraClock's shown. TetraClock's advantage is iOS requirement (14.0 vs 16.6). On price, update cadence, 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
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, Studio Clock every 3 days. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.
| Parameter | TetraClock | Studio Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 days — better | Every 3 days |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 6 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Legal Prompt Inc. | Noah Patrick Redeker |
In-app purchases
TetraClock
No in-app purchases
Studio Clock
No in-app purchases
Questions
Is TetraClock free?
Is Studio Clock free?
Do TetraClock or Studio Clock have ads?
Which is updated more often, TetraClock or Studio Clock?
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