Hacking Timer vs OKURERUNA!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hacking Timer
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Time Hack marks time at 30-minute or 1-hour intervals within your selected hours and days. Choose repeating iPhone alarms or notifications that run on Apple Watch. Repeating iPhone alarms (iOS 26 or later) • AlarmKit stores the selected times and weekdays as a schedule that repeats every week. • Choose a 30-minute or 1-hour interval and one alert timing: at the scheduled time or a chosen number of minutes before it. • Select weekdays, weekends, or every day and set your operating hours. • Overnight windows and 24-hour operation are supported. • Alert times also stay inside the operating window. • The next alarm displays the nearest future time from the registered weekly schedule. • Stop silences the current alarm; Off also removes future alarms. • Alarm authorization is required on iPhone. These audible alarms can sound during Focus and Silent Mode. Apple Watch notifications • Configure times, days, and vibration patterns directly on Watch. • Choose one alert timing and a 30-minute or 1-hour interval. • Schedules that fit the system's notification budget repeat automatically. • Larger schedules reserve the nearest notifications first and refill when the app opens or receives a background refresh. This mode needs opportunities to refill. • Switching to iPhone alarms waits for Watch notifications to be removed. Changes remain pending while communication is unavailable. • Presentation of iPhone alarms on Watch depends on the connection, OS, and system settings. Requirements The iPhone app requires iOS 17 or later. iPhone alarms require iOS 26 or later. Standalone Watch notifications require watchOS 11.4 or later. No account or subscription is required. Settings stay on your devices and synchronize between iPhone and Watch. No developer data collection or advertising tracking.
OKURERUNA!
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A new kind of reminder that physically wakes you up before your events with intense vibrations. No more missed meetings or oversleeping. Key Features: - Calendar Sync: Automatically fetches events from your selected calendars - Customizable Timing: Set alerts from 1 to 30 minutes before events - 3 Vibration Levels: Normal, Strong, or Extreme — choose what works for you - Repeated Notifications: Multiple alerts leading up to the event so you wont miss it, even in silent mode - Per-Event Mute: Silence notifications for specific events with one tap - Urgency Display: Visual countdown with color changes and pulsing animations as the event approaches - Swipe Navigation: Quickly browse events by day with left/right swipes, jump back to today with one tap - Auto-Resume: Vibration automatically resumes when returning from background until you tap to stop - Custom Alarm Sound: Background notifications include a custom alarm sound and system vibration Perfect For: - Heavy sleepers who need strong alerts before morning meetings - Busy professionals juggling back-to-back events - Students who lose track of time between classes - Anyone who keeps their phone in silent mode The app features an intuitive design with a large stop button to quickly silence vibrations. Background notifications with custom alarm sounds ensure you are alerted even when the app isnt in the foreground. Select only the calendars you want to monitor, and let the app handle the rest. Your events, your rules, your peace of mind.
Screenshots
Verdict
The clearest difference is ads: Hacking Timer at none against OKURERUNA!'s shown. OKURERUNA!'s advantage is update cadence (daily vs every 5 weeks). On price, in-app purchases, device support and iOS requirement 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.
Hacking Timer ships an update every 5 weeks, OKURERUNA! daily. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.
| Parameter | Hacking Timer | OKURERUNA! |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | hiroaki yuasa | Fuji Bit Inc. |
In-app purchases
Hacking Timer
No in-app purchases
OKURERUNA!
No in-app purchases









