When · Days That Matter vs ClockWork
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
When · Days That Matter
Read full descriptionHide full description
When (formerly #DAYS) helps you keep the dates that shape your past, present, and future. Birthdays, anniversaries, and the days a plan begins or ends can all live on one continuous timeline. ONE STORY, MORE THAN ONE DATE Add beginnings, endings, and other moments to the same record, so its full arc stays together—not just a countdown number. SEE TIME CLEARLY Browse what has passed, what is in progress, and what is coming next. When uses each actual date and keeps the exact day count visible. HOME SCREEN WIDGETS Keep important dates and photos on your Home Screen. Each widget size can have its own event and composition. GENTLE, USEFUL REMINDERS Set custom and milestone reminders. Notifications are scheduled locally on your device, with no account required. FREE & PREMIUM Create up to 10 records for free, with iCloud sync and timelines included. Premium unlocks unlimited records, advanced reminders, poster widget layouts, and celebration effects. A one-time purchase unlocks Premium permanently. Your records are designed with privacy in mind. If you enable iCloud, sync is provided by Apple CloudKit. Purchases are handled by Apple’s StoreKit. Questions or feedback? Email aloooone@proton.me Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ClockWork
Read full descriptionHide full description
Alarms that ring only on days you actually work. ClockWork follows the official public holidays and makeup workdays of the country you choose, so your alarm stays silent on days off — no more switching it off by hand. ■ SMART ALARMS · Workday alarm: follows holidays and makeup days automatically · Shift alarm: work X days, rest Y days cycles · Interval alarms: repeat reminders inside a time window (stand up, drink water, eye breaks) · Specific date / rotating weeks / yearly (birthdays) / monthly (rent, bills) · Custom shuffle ringtone pool: import songs you love and play one at random each ring · Ringtone trimming: set exact begin/end times, view an energy strip and use a suggested clip · Snooze length and skip-on-leave days ■ CALENDAR · Gregorian + lunar calendar + 24 solar terms; holidays and makeup days at a glance · This month's workdays / rest days, month and year progress · Check-in projects and records (Pro) ■ WORLD CLOCK · Live time differences and day/night for the cities you follow · Time conversion (free): pick any city as the reference and see the rest ■ COUNTDOWNS · Target date, repeat periods and periodic reminders · Assign to small / medium / large widget groups ■ WIDGETS · Monthly/weekly calendar, world clock, countdown and check-in widgets ■ VERSION BACKUP · Automatic daily snapshots, keep 7 / 15 days · Optional sync to your own iCloud — sign in with the same Apple ID on a new device to restore ■ ABOUT PRO The free version includes alarms, calendar and world clock basics, plus a 30-day Pro trial. Pro unlocks countdowns, check-in, interval alarms, leave-day schedules for the ringing calendar and unlimited random alarm sounds. · Lifetime purchase ¥20 (one-time) Privacy first: your data stays on your device by default; backups are optional and go to your own iCloud. No location or contacts collection, no ads, no third-party analytics SDKs.
Screenshots
Verdict
The clearest difference is update cadence: ClockWork at every 2 days against When · Days That Matter's every 2 weeks. When · Days That Matter's advantage is iOS requirement (17.0 vs 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. When · Days That Matter sells 1 one-off in-app purchase and ClockWork sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
When · Days That Matter ships an update every 2 weeks, ClockWork every 2 days. The most recent releases landed on November 14, 2026 and November 10, 2026 respectively.
| Parameter | When · Days That Matter | ClockWork |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 6 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | 杰龙 刘 | 德华 周 |
In-app purchases
When · Days That Matter
- When Premium · Lifetime Access$0.99
ClockWork
- ClockWork Pro (Lifetime)$2.99
Questions
Is When · Days That Matter free?
Is ClockWork free?
Do When · Days That Matter or ClockWork have ads?
Which is updated more often, When · Days That Matter or ClockWork?
Other comparisons















