Comparison

Boon's Diary vs Melater

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

Head to head
About

Boon's Diary

Features
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"Heatwarming & Happy Boon"'s official free diary/journal app. Simply select a cute illustration that matches your mood, which is updated more and more each month, and record your memories, mood, travel notes, or one word personal journal. You can use it as a diary application for free. Features of this diary application - Official simple diary app of "Heatwarming & Happy Boon". - New illustrations are added every month. Just choose a cute illustration that fits your mood and write one word in your diary. - You can browse the diary for any date from the calendar. - Data is stored securely only on your smartphone. - Supports dark mode. For people like this - People who want to look back on your days with a happy, dusty feeling. - People who want to share happiness with others. - People who feel lonely living alone. - People who find the job hard but rewarding. - People in love - People who want to warm your hearts and feel happy. Boon Overview Boon is a soothing and relaxing character that creates a heartwarming atmosphere and naturally loosens people's cheeks when they see him. Have you ever had this feeling? - The desire to do a job you love, make money, and share happiness with others. - Longing for first love - Loneliness of living alone - Difficulties and rewards of the job Boon captures and expresses such everyday life that everyone has from various angles. When you look at the illustrations, you may find yourself saying, "Yes! or "Aha! or notice something... If this is the case, choose that illustration and write down your feelings in Boon's diary app. As you create your own unique collection of illustrations, you will feel warm and fuzzy as small happy moments accumulate. Download now and start your Heatwarming & Happy Diary today.

About

Melater

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A Message to My Future Self – Melater Are you letting the hard days, the happy moments, or your heartfelt promises simply fade away? Melater is a heartfelt diary app where you write messages to your future self β€” a place to capture your precious days and receive them back after a set time, like a letter traveling through space and time. Your entries become stars orbiting in your personal universe, returning to you on the promised day β€” like a warm message from the past. #Key Features - Time Capsule Diary to the Future Capture your thoughts, feelings, and resolutions of today, and send them to any future date β€” days, months, or even years ahead. Just imagining the version of yourself who will receive the message is enough to make your heart flutter. -A Heartwarming Reminder on the Promised Day On the date you set, you’ll receive a notification reminding you of the message you once wrote. It’ll feel like a surprise gift from your past self. -Your Own Planet Theme Customize your personal universe to match your mood or aesthetic. Choose from a variety of planet themes and create a space that’s uniquely yours. #Recommended For: Those who want to record their days in a special and meaningful way Those who wish to send messages of support and encouragement to their future selves Those who enjoy reflecting on the past and growing from it Those who appreciate beautiful design and emotional experiences Those looking for a unique journaling experience, unlike ordinary diary apps What message would you like to send your future self today? Start a special conversation that transcends time with Melater. Let every moment you live become a shining star β€” Melater will be right there with you. Terms of Use : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Boon's Diary4 screens
Melater4 screens

Verdict

The call

The clearest difference is in-app purchases: Boon's Diary at none against Melater's 2. Boon's Diary also leads on iOS requirement (13.0 vs 16.6). Melater's advantage is ads (none vs shown) and update cadence (every 5 days vs every 5 weeks). On price 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

Both are free to download. Melater sells 2 in-app purchases, starting at $1.99 per month. Boon's Diary asks for nothing beyond the download.

UpkeepUpdate frequency

Boon's Diary ships an update every 5 weeks, Melater every 5 days. The most recent releases landed on January 3, 2026 and October 5, 2026 respectively.

Scorecard4 real differences Β· 2 level
Boon's Diary versus Melater: the parameters behind the verdict, then further details
ParameterBoon's DiaryMelater
PriceFreeFree
Update frequencyEvery 5 weeksEvery 5 days β€” better
AdsYesNo β€” better
In-app purchasesNo β€” betterYes
DevicesiPhone, iPod β€” betteriPhone
Requires iOS13.0 β€” better16.6
Further details β€” not scored
Size17 MB29 MB
Age rating17+4+
DeveloperTomoo Suzukidepaier

In-app purchases

None

Boon's Diary

No in-app purchases

2 purchases

Melater

Subscriptions2
  • Melater Premium(Monthly)$1.991 Month
  • Melater Premium(Annual)7 Days trial$6.991 Year

Questions

Is Boon's Diary free?
Boon's Diary is free to download, with no in-app purchases.
Is Melater free?
Melater is free to download, with in-app purchases available.
Do Boon's Diary or Melater have ads?
Boon's Diary shows ads; Melater does not.
Which is updated more often, Boon's Diary or Melater?
Boon's Diary ships an update every 5 weeks, and Melater every 5 days. Most recently, Boon's Diary was updated on January 3, 2026 and Melater on October 5, 2026.

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