Comparison

Mémoires vs OneLine

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

Head to head
About

Mémoires

This app helps you preserve your daily memories by automatically integrating your calendar, photos, locations, and physical activity. It offers a private and secure journaling experience, keeping all your data solely on your device. Enjoy features like Siri integration, Apple Watch support, rich text formatting, and yearly summaries.

Highlights
  • Automatic data integration (calendar, photos, location, activity)
  • Private and secure on-device data storage
  • Siri integration for notes and reminders
  • Apple Watch app for quick note-taking
  • Rich text formatting with images
  • Yearly and monthly summaries
  • Dark mode support
Features
Read full description

What is Mémoires? Mémoires is a most personal diary. It helps you keep memories of your days and gives nice ways of remembering something happened years or months ago. How is it different? First of all, Mémoires can do a lot by itself. Mémoires keeps track of your calendar, your photos, places you visit, your physical activity. You can accommodate this information with your notes about each day. With the great features comes great responsibility. App does not share this data with any servers, or third parties. This data stays on your iPhone and Mémoires just presents it to you in a nice friendly manner. Just to make it clear – Mémoires keeps your diary only on your iPhone. Your data is not shared with author of the app or with any third parties. Mémoires does not gather any data, statistics or anything like that. No your personal data ever leaves this application. Mémoires integrates with Health app to display your health and workout information. Mémoires uses really personal information and only you own it and decide how to deal with it. Any interesting features? Mémoires supports Siri for adding notes and also has Siri Shortcuts to mark current day as good one. Also, you can ask Siri what happened today or on this day in past years. There is an Apple Watch app that will help quickly add notes by dictating them. Do you like Dark mode in other apps? Mémoires has it too. And it will use «Dark mode» when you enable «smart inverse» in accessibility settings. Your notes can have formatting and even images. At the end of the month or year you’ll get some summary on what’s happened. Mémoires will help you remember interesting days – it shows you what happened on this day in past years Should you use it? Sure! Give it a try. It is free. No ads. No data collection.

About

OneLine

Capture your day in a single sentence with this simple journaling app. It allows you to track your mood, attach photos, and build writing streaks. Missed days can be filled in later, and your data is kept private on your device.

Highlights
  • One-line daily entries (up to 280 characters)
  • Mood tracking with five expressive moods
  • Attach photos to entries
  • Fill in missed days later
  • Build writing streaks
  • Year in Review summary
  • Biometric app lock (Premium)
Features
Read full description

One line. Every day. Your story. OneLine is the beautifully simple journal that helps you capture each day in a single sentence. No pressure, no long-form writing, just one meaningful line that captures your moment. DAILY JOURNALING, SIMPLIFIED - Write one line per day (up to 280 characters) - Track your mood with five expressive moods - Attach photos to preserve visual memories - Daily writing prompts to spark inspiration MISSED A DAY? WRITE IT ANYWAY - Open any past day and fill it in later - A day you forgot is never locked away - Filling a gap puts your streak back together - Free, because writing in your own diary should be TRACK YOUR JOURNEY - Build writing streaks and stay consistent - See at a glance which days you journaled - Tap any day to open it right from your stats - See mood trends and patterns over time - On This Day: rediscover entries from past years YEAR IN REVIEW - Beautiful, interactive annual summary - Mood charts, writing activity graphs, and more - Tap any chart for detailed insights - Share your Year in Review as an image YOUR DATA, YOUR PRIVACY - Entries stay on your device and sync privately - Export your journal anytime as PDF or text - No ads, no tracking, no data collection - Lock your journal with biometric authentication (Premium) PREMIUM (One-time purchase, yours forever) - Photo memories on every entry - Biometric app lock - Streak shield: covers one forgotten day a month - Support independent development Everything else stays free: unlimited entries, filling in days you missed, search, export, activity map, Year in Review, On This Day, mood tracking, stats and cloud sync. Start your one-line-a-day habit today. It takes 30 seconds, but the memories last forever. --- Privacy Policy & Terms of Use: https://merzkevin.de/privacy-OneLine.html

Screenshots

Mémoires4 screens
OneLine4 screens

Verdict

The call

The clearest difference is rating: OneLine at 5.0 against Mémoires's 2.0. OneLine also leads on update cadence (every 10 days vs every 5 months). Mémoires's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 17.0). On price, ratings volume, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OneLine sells 1 one-off in-app purchase. Mémoires asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OneLine holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Mémoires ships an update every 5 months, OneLine every 10 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Mémoires versus OneLine: the parameters behind the verdict, then further details
ParameterMémoiresOneLine
PriceFreeFree
Rating2.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews75.0% of reviews—
Number of ratings11
Update frequencyEvery 5 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPad
Requires iOS11.0 — better17.0
Further details — not scored
Size34 MB3 MB
Age rating4+4+
DeveloperDanis TazetdinovKevin Merz

In-app purchases

None

Mémoires

No in-app purchases

1 purchases

OneLine

One-time1
  • Premium$2.99

Questions

Is Mémoires free?
Mémoires is free to download, with no in-app purchases.
Is OneLine free?
OneLine is free to download, with in-app purchases available.
Which has better reviews, Mémoires or OneLine?
OneLine is rated higher. Mémoires averages 2.0 out of 5 from 1 ratings, while OneLine averages 5.0 from 1 ratings.
Do Mémoires or OneLine have ads?
Neither Mémoires nor OneLine shows ads.
Which is updated more often, Mémoires or OneLine?
Mémoires ships an update every 5 months, and OneLine every 10 days. Most recently, Mémoires was updated on November 2, 2026 and OneLine on October 31, 2026.

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