1Lens vs Event Days Timer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
1Lens
This tool helps you practice and reflect on your thinking processes. Record decisions, analyze outcomes, and plan future actions using various mental models. Enhance self-awareness and improve decision-making through guided reflection and progress tracking.
- Practice built-in or custom mental models
- Record decisions, actions, wins, and misses
- Create 'If...then...' plans for future attempts
- Voice reflection with on-device transcription
- Review daily entries and reflection history
- Track practice streaks and notice your rhythm
- Edit, archive, and reactivate mental models
Read full descriptionHide full description
1Lens is a metacognition practice and reflection tool. Choose a mental model you want to work on, record your decisions and actions in everyday situations, and look back on what changed. β’ Practice mental models: Start with built-in models such as First Principles, Win-Win Thinking, and Growth Mindset, or create your own. Keep up to three models active to stay focused. β’ Record wins and misses: Note what went well or where you fell short. Make a specific βIfβ¦thenβ¦β plan for your next attempt. β’ Reflect with voice: Record your thoughts and, when supported by the device, transcribe them with Appleβs system speech recognition. Recordings, transcripts, and practice entries stay on your device. β’ Review your progress: Browse recent daily entries and reflection history, and use your practice streak to notice your rhythm. β’ Make it yours: Edit or archive models, then reactivate them from the full list whenever you are ready. Optional reminders can help you build a routine. Take a moment to notice how you think, then choose what to do next. Microphone access is used to record voice reflections. Speech recognition access is used for on-device transcription. Recording starts only when you choose to begin.
Event Days Timer
Track time elapsed and remaining for important dates like anniversaries, exams, and deadlines. Organize events into past, future, or recurring lists with customizable display units and system alarms. Sync data across devices and personalize the look with various themes and widgets.
- Elapsed, Countdown, and Recurring event lists
- Customizable display units (year, month, day, hour, minute, second)
- System-level alarms with default ringtone
- Home screen widgets and lock-screen layouts
- Optional iCloud sync for data
- Gregorian and lunar calendar support
- Archiving of past events
Read full descriptionHide full description
Event Days Timer keeps every important date in one place: birthdays, anniversaries, credit card bills, holidays, exams, concerts. Add it once and the app counts how long to go, or how long it's been, and reminds you right on time. HOME AT A GLANCE β’ Featured: pin up to 3 moments to the top of Home β’ Overdue: moments that are due but not done yet, with a one-tap Done button β’ Coming Up: everything due in the next 7 days, sorted by time DONE OR NOT, AT A GLANCE β’ Cards show Not Done, Overdue, Done Early or Completed; tap Done or Undo to switch β’ Finishing early skips this time's notification and alarm; repeating moments start fresh next time β’ On by default for Payment Days; set it for any group under Edit Group and apply it to existing cards in one tap β’ The app icon shows how many moments are overdue, even before you open the app JUST TYPE, AUTO-SORTED β’ Type "Mom's Birthday", "Rent" or "Christmas" and the group and repeat rule are set for you β’ Holiday dates fill in automatically, including lunar holidays like Chinese New Year and Mid-Autumn β’ Anything not recognized goes to Life, and you can change it anytime IMPORT FROM REMINDERS & CALENDAR β’ Pick dates you already keep in Reminders or Calendar and import them in one tap, sorted into groups β’ Lunar birthdays are imported as lunar dates, so they stay right every year β’ Read-only: your original data is never changed, and access is only requested when you tap Import BIRTHDAYS β’ Ages calculated automatically, including traditional Chinese nominal age β’ Gregorian and lunar birthdays repeat every year ANNIVERSARIES β’ Dating, wedding, baby's birthday, new home: years, months and days counted for you β’ Count up to see how long it's been, or count down to the next one BILLS, NEVER LATE β’ Credit cards, mortgage, car loan: monthly countdowns that repeat on their own β’ Daily, weekly, monthly, yearly, or every few days or weeks REMINDERS THAT REACH YOU β’ Notifications days or minutes ahead, showing the date and time; they come through even in Focus β’ Real system-level alarms on iOS 26 that ring even on the Lock Screen β’ Tap a notification to open that moment 7 GROUPS, ORGANIZED β’ Life, Work, Anniversaries, Payment Days, Holidays, Birthdays, Appointments β’ Search and Archive; one-time moments archive themselves when they're done 8 THEMES, 7 IN SOFT MUTED TONES β’ Fresh Cards, Lotus Pink, Dusty Rose, Caramel Latte, Evening Breeze, Celadon, Misty Blue, Starry Night β’ Set an icon and color for each moment, or for a whole group at once β’ Home Screen and Lock Screen widgets have their own themes too YOUR UNITS, YOUR WAY β’ Turn years, months, days, hours, minutes, seconds and milliseconds on or off; hours by default β’ In the final stretch it switches to hours, minutes and seconds automatically BATTERY, SYNC & PRIVACY β’ Only cards you can see are refreshed; collapsed groups use no power β’ Optional iCloud sync to restore on a new phone β’ No account needed; your data stays on your device and in your own iCloud FREE & PREMIUM β’ The free version holds up to 10 moments, with every feature included β’ A one-time Premium purchase removes the limit (no subscription) Event Days Timer: never forget the days that matter.
Screenshots
Verdict
The clearest difference is review sentiment: Event Days Timer at 100% against 1Lens's 0%. Event Days Timer also leads on price (Free vs $0.99). 1Lens's advantage is in-app purchases (none vs 1) and update cadence (daily vs weekly). On ads, monetization model 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
Event Days Timer is free to download; 1Lens costs $0.99 up front. Event Days Timer sells 1 one-off in-app purchase. 1Lens asks for nothing beyond the download.
1Lens ships an update daily, Event Days Timer weekly. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.
| Parameter | 1Lens | Event Days Timer |
|---|---|---|
| Price | $0.99 | Free β better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews β better |
| Update frequency | Daily β better | Weekly |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Monetization | Paid | Paid |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 17.0 β better | 26.0 |
| Further details β not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | εδΌ ζ± | Wujie Yibang (fuzhou) Software Technology Co., Ltd |
Customer experience
1Lens
Event Days Timer
In-app purchases
1Lens
No in-app purchases
Event Days Timer
- Premium$1.99







