Flip Clock vs OffTime
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Flip Clock
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Your flip clock, reimagined. One screen. Three modes. Zero clutter. A large flip-digit clock that shows time like a retro split-flap display. Swipe left for Pomodoro timer, right for stopwatch. No menus, no tabs, no distractions. FREE FEATURES (forever): β’ Full-screen flip clock with 12/24-hour display β’ Optional seconds display β card or mini style β’ Date and weekday at a glance β’ Stopwatch with start/pause/reset β’ Pomodoro timer with customizable duration β’ 2 alarms β’ 1 countdown event β’ Monthly calendar view β’ Cycle tracker with predictions β’ Portrait and landscape support β’ Screen always-on option β’ English and Chinese PREMIUM (one-time, no subscription): β’ Multiple color themes β’ Flip animation styles and sound effects β’ Custom app icons β’ Unlimited alarms with repeat rules β’ Unlimited countdown events with categories β’ Calendar integration with alarms and countdowns β’ Week view in calendar β’ Cycle tracker Face ID lock, reminders, data export Most clock apps bury you in menus or lock features behind subscriptions. SimpleClock gives you the essentials free forever, with a single one-time purchase for power users. 100% offline. No account. No data collection. Your time. Your device. Simple.
OffTime
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When should an international meeting start? Will it be daytime or midnight when you land? World Clock helps you see local times, working hours and the best time to connect. Great for cross-border operations, international trade, remote work, study abroad, global families and business travel. [World Clock] Add the cities you care about to check live local time, time differences, working hours and contact windows. Daylight saving time is calculated automatically, and you can reorder cities by drag and drop. [Working Hours & Reminders] Set custom working hours for each city (9:00β18:00 by default), then quickly see overlapping hours between you and the other side. Add reminders for specific periods so you never miss the best window for international communication. [Time Zone Converter] Convert dates and times between any cities in seconds. Ideal for flights, meetings and business trips. Share conversion results with one tap. [Meeting Slot Recommendations] Select participating cities and get meeting times that fit everyoneβs working hours. Fully overlapping slots appear first, while non-working and quiet hours are clearly marked. [Widgets] Put your world clock on the Home Screen, or on the iPhone Lock Screen, to check multiple city times without opening the app. [Offline & Private] Core features work completely offline, including in Airplane Mode, with no data upload and no third-party SDKs. Import and export city lists to migrate between devices.
Screenshots
Verdict
The clearest difference is update cadence: OffTime at fortnightly against Flip Clock's monthly. On price, ads, in-app purchases and device support 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. Flip Clock sells 1 one-off in-app purchase and OffTime sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Flip Clock ships an update monthly, OffTime fortnightly. Both last shipped on October 31, 2026.
| Parameter | Flip Clock | OffTime |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Monthly | Fortnightly β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details β not scored | ||
| Size | 3 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | η£ ε | ε©· ζ |
In-app purchases
Flip Clock
- SimpleClock Pro Edition$2.99
OffTime
- OffTime Pro$6.99









