Comparison

calendar& vs One

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

Head to head
About

calendar&

This app combines scheduling, task management, and journaling with a unique phrase calendar feature. It allows users to set meaningful daily messages, track tasks, and record daily emotions and activities. Premium features offer unlimited lists, entries, and an ad-free experience.

Highlights
  • Phrase calendar with daily messages
  • Intuitive schedule management
  • Systematic task management
  • Emotional diary writing
  • Customizable badge and font settings
  • Local and iCloud data storage
Features
Read full description

# Calendar App: Daily Life Management with Your Special Phrases Beyond schedule management, Calendar App helps you record precious moments and reflect through special messages. It's a companion that adds both emotion and practicality to your daily life. ## Daily Unfolding of Your Personal Phrases Our unique 'Phrase Calendar' feature displays your pre-set meaningful sentences as days pass. Anticipating today's character becomes a small joy in your day. - **Set Your Own Phrases**: Register sentences like "Growing daily" or "Starting with gratitude." - **Automatic Progress**: Two characters display daily from your set start date. - **Display Options**: Choose settings that suit you: ignore month boundaries, hide other months, or gray them out. ## Intuitive Schedule Management - **Detailed Settings**: Set title, time, repetition, and notifications. - **Recurring Events**: Create events that repeat daily, weekly, monthly, or yearly. - **Holiday Display**: Automatically shows holidays for easier planning. - **Search**: Find events by past, future, or all periods. ## Systematic Task Management Manage tasks with to-do lists. Check off completed items and organize by folders. - **Status View**: Divide tasks into 'In Progress,' 'Completed,' and 'Folder.' - **Easy Status Change**: Switch between states with simple controls. - **Memo Function**: Add notes to each to-do list. ## Emotional Diary Writing Express the day's mood, weather, and activities with emojis and record your moments. - **Emoji Selection**: Visually represent your day's experiences. - **Sorting Options**: View diaries by newest or oldest. - **Monthly View**: Review a month's entries together. ## Customization - **Badge Settings**: Show today's date or event count on the app icon. - **Font Settings**: Choose fonts for memos and phrases. (Premium) - **Calendar Management**: Select which calendars to display or add new ones. ## Premium Features - **Unlimited To-Do Lists**: Create as many lists as you want. - **Unlimited Diary Entries**: Record without limits. - **Ad-Free Experience**: Use the app without interruptions. - **Various Fonts**: Choose from English, Korean, and Japanese fonts. ## Privacy and Security - **Local and iCloud Storage**: Your data syncs only through your device and iCloud. - **Ad-Related Collection**: Free version ads may collect some data for display. - **Data Management**: Access and manage your data anytime. - **Compliance**: We follow global privacy regulations. ## System Requirements - iOS 17.0+ - Compatible with iPhone - Supports Korean, English, and Japanese ## Support For inquiries: econotaku@icloud.com Download now and start a new scheduling experience where emotion meets practicality!

About

One

This app simplifies journaling by requiring only one sentence per day. It's designed for beginners and busy individuals, offering a calm and focused space to capture daily thoughts and build a reflective habit effortlessly.

Highlights
  • One sentence daily entry
  • Effortless habit building
  • No overwhelm or distractions
  • Timeline of thoughts
  • Record of daily life
  • Calm and focused design
Features
Read full description

Start journaling without the pressure. Most journals ask too much. Blank pages. Long entries. Endless consistency. One is different. Write just one sentence a day — and you’re done. Why it works • No overwhelm — just a single sentence • Takes less than a minute • Builds a daily habit effortlessly • Capture your life as it happens Look back on your life Over time, your entries become something powerful: A timeline of your thoughts A record of your days A simple way to remember what matters Designed to feel calm and focused No clutter. No distractions. Just you and your thoughts. Perfect for • Beginners who can’t stick with journaling • Busy people with no time • Anyone who wants to reflect without pressure Simple. Intentional. Done. One sentence is all it takes. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

calendar&4 screens
One4 screens

Verdict

The call

The clearest difference is ads: One at none against calendar&'s shown. calendar&'s advantage is update cadence (every 5 days vs every 2 weeks). On price, rating, ratings volume and in-app purchases 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. calendar& sells 1 one-off in-app purchase and One sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for calendar& against 5.0 for One. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

calendar& ships an update every 5 days, One every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
calendar& versus One: the parameters behind the verdict, then further details
Parametercalendar&One
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings12 — better
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017.0
Further details — not scored
Size102 MB1 MB
Age rating4+4+
Developerseung won parkRyan Bittorf

Customer experience

calendar&

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

One

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

calendar&

One-time1
  • Premium$9.99
3 purchases

One

Subscriptions2
  • One Sentence Journal Premium$2.991 Month
  • One Sentence Journal Premium$14.991 Year
One-time1
  • One Sentence Journal Premium$34.99

Questions

Is calendar& free?
calendar& is free to download, with in-app purchases available.
Is One free?
One is free to download, with in-app purchases available.
Which has better reviews, calendar& or One?
calendar& and One are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do calendar& or One have ads?
calendar& shows ads; One does not.
Which is updated more often, calendar& or One?
calendar& ships an update every 5 days, and One every 2 weeks. Most recently, calendar& was updated on November 5, 2026 and One on October 31, 2026.

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