Comparison

1Lens vs Event Days Timer

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

1Lens

Features
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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 β€œIf…then…” plan for your next attempt. β€’ Reflect with voice: Record your thoughts and, when supported by the device, transcribe them with Apple’s 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.

About

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.

Highlights
  • 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
Features
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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, ticking down to the second β€’ Coming Up: everything due in the next 7 days, sorted by time 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 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 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 β€’ Home Screen and Lock Screen widgets have their own themes too YOUR UNITS, YOUR WAY β€’ Turn years, months, days, hours and minutes on or off, e.g. show just "366d" β€’ Tap the title for precise mode with milliseconds SYNC & PRIVACY 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 Event Days Timer: never forget the days that matter.

Screenshots

1Lens4 screens
Event Days Timer4 screens

Verdict

The call

The clearest difference is price: 1Lens at Free against Event Days Timer's $0.99. 1Lens also leads on update cadence (daily vs every 9 days) and iOS requirement (17.1 vs 26.0). On 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

1Lens is free to download; Event Days Timer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

1Lens ships an update daily, Event Days Timer every 9 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

Scorecard3 real differences Β· 5 level
1Lens versus Event Days Timer: the parameters behind the verdict, then further details
Parameter1LensEvent Days Timer
PriceFree β€” better$0.99
Positive reviewsβ€”100.0% of reviews
Update frequencyDaily β€” betterEvery 9 days
AdsNoNo
In-app purchasesNoNo
Monetizationβ€”Paid
DevicesiPhoneiPhone, iPad β€” better
Requires iOS17.1 β€” better26.0
Further details β€” not scored
Size2 MB6 MB
Age rating4+4+
Developerε‡δΌŸ 朱Wujie Yibang (fuzhou) Software Technology Co., Ltd

In-app purchases

None

1Lens

No in-app purchases

None

Event Days Timer

No in-app purchases

Questions

Is 1Lens free?
1Lens is free to download, with no in-app purchases.
Is Event Days Timer free?
Event Days Timer costs $0.99, with no in-app purchases.
Do 1Lens or Event Days Timer have ads?
Neither 1Lens nor Event Days Timer shows ads.
Which is updated more often, 1Lens or Event Days Timer?
1Lens ships an update daily, and Event Days Timer every 9 days. Most recently, 1Lens was updated on October 15, 2026 and Event Days Timer on October 9, 2026.

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