Comparison

PositiveDiary vs ポジティブノート

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

Head to head
About

PositiveDiary

Features
Read full description

Enjoy positive days with AI characters! PositiveDiary is a unique diary app where AI characters give you warm, affirming comments on every entry you write. No matter the content, these characters are here to encourage, support, and celebrate your daily moments with unconditional positivity. The app features a variety of lovable characters! Each character has a distinct personality and offers comforting words, making writing in your diary something you’ll look forward to. Main Features: • Diary Creation: Capture your daily thoughts and experiences with easy-to-use tools. • AI Character Comments: Receive affirming comments from AI characters on your diary entries. • Reminder Function: Set reminders to build a positive habit of daily journaling. • English and Japanese Support: Available in both English and Japanese. Enjoy a positive, cheerful daily life with your AI friends in PositiveDiary!

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.

Screenshots

PositiveDiary3 screens
ポジティブノート4 screens

Verdict

The call

The clearest difference is update cadence: PositiveDiary at every 9 days against ポジティブノート's every 3 weeks. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PositiveDiary ships an update every 9 days, ポジティブノート every 3 weeks. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

Scorecard1 real difference · 5 level
PositiveDiary versus ポジティブノート: the parameters behind the verdict, then further details
ParameterPositiveDiaryポジティブノート
PriceFreeFree
Update frequencyEvery 9 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad — better
Requires iOS17.0 — better17.6
Further details — not scored
Size14 MB19 MB
Age rating4+4+
DeveloperInfinity Inc. (Apps)Masahiro Okura

In-app purchases

None

PositiveDiary

No in-app purchases

None

ポジティブノート

No in-app purchases

Questions

Is PositiveDiary free?
PositiveDiary is free to download, with no in-app purchases.
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.
Do PositiveDiary or ポジティブノート have ads?
Both PositiveDiary and ポジティブノート show ads.
Which is updated more often, PositiveDiary or ポジティブノート?
PositiveDiary ships an update every 9 days, and ポジティブノート every 3 weeks. Most recently, PositiveDiary was updated on September 9, 2026 and ポジティブノート on September 24, 2026.

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