Roomy Clock vs Clock Tower
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Roomy Clock
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"Roomy Clock" is a simple, easy-to-read clock app with no ads. Switch freely between digital and analog clocks, a monthly calendar, and a variety of timer displays. Whether you're working, studying, reading, or attending meetings, Roomy Clock helps you manage your time with ease. With support for Always On Display (Auto-Lock disabled), you can check the time at a glance without having to tap the screen. Place your device on a desk or bedside table and turn it into your own personal clock. The timer is designed to be visually intuitive, making it easy to see the remaining time at a glance. Alarm notifications ensure you never miss important moments, even when the app is closed or your device is locked. "We wanted a clock that is simple, easy to read, and always visible." Roomy Clock was created from that simple idea. Instead of treating your smartphone as a device full of distractions, transform it into a beautiful clock that naturally fits into your daily space. == Main Features == * Timer & Alarm Functions - Easy-to-use timer and alarm features - Notifications work even in sleep or background mode - Nightstand Mode is also available (Night Clock Mode) * Digital & Analog Clock Styles - Swipe left or right to switch clock styles - Includes 7 different clock designs * Beautiful Customization - Change backgrounds, colors, and fonts - Toggle calendar display ON/OFF * Minimal Calendar Display - Clean monthly calendar that matches the clock design - Weekend colors adapt to your selected theme - Switch displays with vertical swipes (Portrait Mode) * Landscape Mode Support - Large centered clock display in landscape mode (Clock-Only Mode) - Stable layout even while seconds update * Always-On Display Support - Keeps the screen awake like a real desk clock - Great for desks, bedside tables, and workspaces * Settings Persistence - Automatically saves your previous settings * Multi-Language Support - Supports Japanese and English - Date formats adapt automatically 【Important Notes for Notifications】 * To use timer and alarm notifications, please make sure notifications are enabled for Roomy Clock. Settings > Apps > Roomy Clock > Notifications > Enable "Allow Notifications" * To make alarm times and notification details easier to view on the Lock Screen, we recommend setting "Show Previews" to "Always". Settings > Apps > Roomy Clock > Notifications > Show Previews > "Always" * If notifications are not being delivered, your iPhone may have a Focus Mode or Do Not Disturb mode enabled. In that case, add Roomy Clock to the list of allowed apps for the active Focus mode. Settings > Focus > Select a Focus Mode > Allowed Apps > Add Roomy Clock * Notification behavior may vary depending on your iPhone settings, iOS version, and system limitations. We hope "Roomy Clock" brings a little more comfort and simplicity to your daily life.
Clock Tower
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Clock Tower is a decorative clock and Home Screen / Lock Screen / Desktop widget with a ring-and-dial mechanic inspired by fantasy-adventure game interfaces. - An outer ring ticks forward every 5 minutes. - An inner dial advances every hour, in sync with the ring. - A sun-and-moon medallion flips between day and night as the clock crosses 6 AM and 6 PM. No accounts, no ads, no tracking, and no network access of any kind - everything runs entirely on your device. Add Clock Tower as a widget to your Home Screen, Lock Screen, or Mac desktop to keep an eye on the time while it quietly ticks along in the background.
Screenshots
Verdict
The clearest difference is iOS requirement: Roomy Clock at 17.6 against Clock Tower's 26.0. On price, ads, 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.
| Parameter | Roomy Clock | Clock Tower |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, Mac |
| Requires iOS | 17.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 12 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Takeshi Tokumura | Morgan Hunt |
In-app purchases
Roomy Clock
No in-app purchases
Clock Tower
No in-app purchases









