Comparison

ポジティブノート vs My Happy Diary

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

Head to head
About

ポジティブノート

Features
Read full description

Start each evening with 3 positive things — and watch your mindset transform. Positive Note is a journaling app built around the "Three Good Things" technique, a proven method from positive psychology that trains your brain to notice joy, reduce stress, and build a more optimistic outlook on life. HOW IT WORKS Every day, write 3 things that made you happy, something you accomplished, or a moment you're proud of. No matter how small — "all the traffic lights were green" counts. The simple act of noticing and recording these moments rewires your brain to seek out happiness in everyday life. FEATURES • Three Good Things — Write 3 positive entries each day using the proven positive psychology method • Calendar View — Review past entries and visualize your progress month by month • Streak Tracking — Stay motivated with your consecutive day streak and total entry count • Daily Reminders — Set a custom notification time to build a consistent evening habit • Photo Journal — Attach a photo to capture the moment and make memories last • 30 Color Themes — Personalize the app with handpicked gradient themes • Widget Support — See your current streak right on your iPhone home screen • Privacy First — All data is stored locally on your device; no account required THE SCIENCE BEHIND IT The "Three Good Things" technique was developed by positive psychology researcher Martin Seligman. Studies show that writing three positive things each day for just one week significantly increases happiness — and the effect can last for months. WHO IT'S FOR • Anyone who wants to build a more positive, grateful mindset • People looking for a simple, sustainable daily journaling habit • Those experiencing stress, anxiety, or negative thinking patterns • Anyone who wants to appreciate the small joys hidden in everyday life Start small. Write 3 things. Feel the difference. Download Positive Note and begin your journey to a happier, more grateful you.

About

My Happy Diary

Features
Read full description

Find and gently record the “small happiness” in your everyday life In the middle of busy days, why not pause for just a moment? Happy Diary – My Happy Diary is a journaling app that helps you nurture a positive mindset by writing down one “happy moment” each day. Simply save a photo and a short note to easily capture moments that bring you a sense of calm and warmth. Key Features Simple and easy-to-use design Look back on past memories with a calendar view Record your “happiness of the day” with photos Weekly and monthly AI-powered analysis reports Because it only takes one minute a day, it’s easy to keep going. By writing things down, you’ll start to notice more moments where you think, “Today wasn’t so bad after all.” Little by little, a more positive mindset will return. Recommended for people who: Want to relieve daily stress Want to regain a positive outlook Are looking for a journal app that’s easy to maintain Want to keep memories together with photos Wishing you a happy day, today and every day By finding small moments of happiness, everyday life becomes a little kinder. With Happy Diary – My Happy Diary, take time to care for your own heart. Terms of Service: https://yuki-sato-95.github.io/happy-diary-doc/terms.html

Screenshots

ポジティブノート4 screens
My Happy Diary4 screens

Verdict

The call

The clearest difference is in-app purchases: ポジティブノート at none against My Happy Diary's 1. My Happy Diary's advantage is ads (none vs shown) and iOS requirement (15.1 vs 17.6). On price, update cadence 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. My Happy Diary sells 1 in-app purchase, starting at $1.99 per month. ポジティブノート asks for nothing beyond the download.

UpkeepUpdate frequency

ポジティブノート ships an update fortnightly, My Happy Diary weekly. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 3 level
ポジティブノート versus My Happy Diary: the parameters behind the verdict, then further details
ParameterポジティブノートMy Happy Diary
PriceFreeFree
Update frequencyFortnightlyWeekly — better
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.1 — better
Further details — not scored
Size19 MB47 MB
Age rating4+4+
DeveloperMasahiro Okurayuki sato

In-app purchases

None

ポジティブノート

No in-app purchases

1 purchases

My Happy Diary

Subscriptions1
  • プレミアムプラン(1ヶ月)14 Days trial$1.991 Month

Questions

Is ポジティブノート free?
ポジティブノート is free to download, with no in-app purchases.
Is My Happy Diary free?
My Happy Diary is free to download, with in-app purchases available.
Do ポジティブノート or My Happy Diary have ads?
ポジティブノート shows ads; My Happy Diary does not.
Which is updated more often, ポジティブノート or My Happy Diary?
ポジティブノート ships an update fortnightly, and My Happy Diary weekly. Most recently, ポジティブノート was updated on October 28, 2026 and My Happy Diary on October 30, 2026.

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