Comparison

Sudden Reminder vs OneLine

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

Head to head
About

Sudden Reminder

This app helps you remember important thoughts and intentions by sending gentle, random reminders. Rediscover your feelings, original goals, and words of comfort when you need them most.

Highlights
  • Randomized reminders
  • Recall forgotten thoughts
  • Rediscover intentions
  • Words of comfort
  • Self-encouragement
  • Goal rediscovery
Features
Read full description

Sometimes we think, β€œThis is something I should never forget.” But as time passes, daily life makes us forget. Sudden Reminder quietly brings back the words you left for yourself β€” when you’ve almost forgotten them. Rediscover your feelings, your first intentions, and your words of comfort through gentle, random reminders. Maybe your own words will comfort you again. One day, unexpectedly, they will find their way back to you. Recommended for β€’ Those who don’t want to forget their own promises β€’ Those who want to recall their original intentions in everyday life β€’ Those who seek comfort from their past self in difficult times Use it when β€’ Your determination starts to waver β€’ The day feels meaningless β€’ You want to encourage yourself β€’ You wish to rediscover forgotten goals β€’ You just want your own words to come back to you In unexpected moments, your words will return to you.

About

OneLine

Features
Read full description

Your life story, one line at a time. OneLine is the journal for people who don't have time to journal. Write a single line about your day β€” it takes five seconds β€” and watch your life story build itself, one day at a time. WHY ONE LINE? Big journaling apps fail because they ask too much. OneLine asks for one sentence. That's small enough to do every single day β€” and a year from now, you'll have 365 tiny memories you'd otherwise have forgotten. β€’ FIVE SECONDS A DAY β€” One line, an optional mood, done. No pressure, no blank-page anxiety. β€’ BUILD A STREAK β€” Show up daily and watch your streak grow. Small habit, big memories. β€’ ON THIS DAY β€” Relive what you wrote a year ago, right when you open the app. β€’ WIDGETS β€” Your streak and memories on your Home Screen and Lock Screen. β€’ DAILY REMINDER β€” A gentle, friendly nudge at the time you choose. β€’ 21 LANGUAGES β€” Use OneLine in the language you think in. β€’ PRIVATE BY DESIGN β€” Your journal lives on your device. No account, no cloud, no tracking. ONELINE PRO Go Pro to unlock your full history and "On This Day" flashbacks, attach a photo to each day, use every widget, export your year as a beautiful PDF book, and lock the app behind Face ID. Weekly, monthly, or one single lifetime purchase β€” yours forever. Start tonight. One line. Five seconds. Future-you will thank you. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://apps.ailancer.com/oneline/privacy.html Subscription Terms: https://apps.ailancer.com/oneline/terms.html

Screenshots

Sudden Reminder4 screens
OneLine4 screens

Verdict

The call

The clearest difference is price: OneLine at Free against Sudden Reminder's $0.99. Sudden Reminder's advantage is in-app purchases (none vs 3) and update cadence (daily vs weekly). On ads 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

OneLine is free to download; Sudden Reminder costs $0.99 up front. OneLine sells 3 in-app purchases, starting at $0.99 per 7 days. Sudden Reminder asks for nothing beyond the download.

UpkeepUpdate frequency

Sudden Reminder ships an update daily, OneLine weekly. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

Scorecard4 real differences Β· 4 level
Sudden Reminder versus OneLine: the parameters behind the verdict, then further details
ParameterSudden ReminderOneLine
Price$0.99Free β€” better
Positive reviews100.0% of reviewsβ€”
Update frequencyDaily β€” betterWeekly
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationPaidβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS14.0 β€” better17.0
Further details β€” not scored
Size21 MB5 MB
Age rating9+4+
DeveloperGYUGWANG LEEAilancer

In-app purchases

None

Sudden Reminder

No in-app purchases

3 purchases

OneLine

Subscriptions2
  • OneLine Pro β€” Weekly$0.997 Days
  • OneLine Pro β€” Monthly$1.991 Month
One-time1
  • OneLine Pro β€” Lifetime$19.99

Questions

Is Sudden Reminder free?
Sudden Reminder costs $0.99, with no in-app purchases.
Is OneLine free?
OneLine is free to download, with in-app purchases available.
Do Sudden Reminder or OneLine have ads?
Neither Sudden Reminder nor OneLine shows ads.
Which is updated more often, Sudden Reminder or OneLine?
Sudden Reminder ships an update daily, and OneLine weekly. Most recently, Sudden Reminder was updated on November 9, 2026 and OneLine on November 6, 2026.

Other comparisons