Boon's Diary vs Check In
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Boon's Diary
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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.
Check In
This app helps you capture daily moments, track your emotions, and monitor your mood over time. It serves as a comprehensive journal and diary to reflect on experiences and identify emotional patterns for self-discovery and personal growth.
- Daily journaling
- Mood tracking
- Emotion tracking
- Life moment capture
- Pattern identification
- Personal growth insights
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"Check In" is a comprehensive daily journal and diary app designed to help you capture life's moments, track your emotions, and monitor your mood over time. With "Check In," keeping a diary becomes a simple and engaging routine, allowing you to reflect on your day, document your experiences, and monitor changes in your mood and emotions. As a powerful mood tracker, emotion tracker, and journal, "Check In" enables you to identify patterns in your emotional well-being, making it easier to understand the highs and lows of your daily life. Whether you're looking to maintain a simple daily journal, dive deep into mood journaling, or keep a detailed diary of your life's journey, "Check In" offers the tools you need. Every entry in your diary is an opportunity to reflect, making "Check In" more than just a mood tracker; it's a portal to self-discovery. Utilize our emotion tracker to pinpoint specific feelings associated with your day's events, enriching your journaling experience and providing valuable insights into your emotional health. "Check In" stands out by offering a seamless blend of a daily journal, mood journal, and life tracker functionalities. It encourages you to journal at least three times a day, ensuring that your diary becomes a valuable resource for personal growth and emotional resilience. With mood tracker features integrated into every entry, you'll gain a deeper understanding of your emotional patterns, helping you navigate life's ups and downs with greater awareness and intention. Start your journey with "Check In" today and transform your phone into a powerful mood journal and diary. Embrace the habit of daily journaling, leverage the mood tracker to explore your emotional landscape, and use the emotion tracker to uncover deeper insights into your wellbeing. "Check In" is not just an app; it's your daily companion on the path to a more mindful and emotionally aware life. Privacy Policy - https://sites.google.com/view/checkinjournalapp/privacy-policy Terms of Use - https://sites.google.com/view/checkinjournalapp/terms-of-use
Screenshots
Verdict
The clearest difference is in-app purchases: Boon's Diary at none against Check In's 3. Boon's Diary also leads on iOS requirement (13.0 vs 17.0). Check In's advantage is ads (none vs shown) and update cadence (fortnightly vs every 5 weeks). On price 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
Both are free to download. Check In sells 3 in-app purchases, starting at $0.99 per month. Boon's Diary asks for nothing beyond the download.
Boon's Diary ships an update every 5 weeks, Check In fortnightly. The most recent releases landed on January 3, 2026 and October 13, 2026 respectively.
| Parameter | Boon's Diary | Check In |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (7 ratings) — better |
| Positive reviews | — | 80.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Every 5 weeks | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 7 MB |
| Age rating | 17+ | 4+ |
| Developer | Tomoo Suzuki | Umi Indigo LLC |
In-app purchases
Boon's Diary
No in-app purchases
Check In
- Monthly$0.991 Month
- Annual$6.991 Year
- Lifetime Access$14.99









