Comparison

My Nikki vs おとなの日記帳

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

Head to head
About

My Nikki

This app allows users to privately record daily events, thoughts, and photos in a simple, cute digital journal. It offers password protection for privacy and organizes entries into a visually appealing album format.

Highlights
  • Daily event recording
  • Photo insertion (up to 10 per day)
  • Calendar and list display
  • Password lock for privacy
  • Search function
  • Notification reminders
Read full description

Everyone is using secretly, Simple easy and cute NO. 1 diary app "My Nikki" ◆ Thanks to 3.0 million downloads of My Nikki finally appeared on iOS! ◆ "Let's look back today's day for 5 minutes before going to bed." Unlike blogs and social networking, I set daily situations in my own iPhone diary I will spell the events and pictures of the day in a simple fashion with opening the application. By spelling yourself as it is, everyday everyday changes to your own story! By displaying the diary in a list, it becomes a cute album that is beautiful and nice arranged clean every month. Correspond well to privacy concerns firmly! Since password input can be set at the time of starting, it is safe when lending a smartphone to someone. There is no worry that people can see important diaries! (※ Password can not be reissued.In regard to the setting contents, please manage firmly with individuals.) 【To this situation! 】 · Casual scenery found by walking · Delicious dishes and sweets · Cute baby of relatives · Talking with friends at family restaurant · Pleasant everyday with friendly fellows with a sense of pre-clique 【Recommended for people like this】 · Those who do not keep a diary or blog · One who wants to make a photo album · People who love Purikura · Person who wants to look back on the days in private space only of myself · Those looking for a cute memo pad · If you want to manage photos for free · Those who want to record their child's daily growth · Person who wants to record everyday cooking · Those who want to organize pictures of your pride · Those who want to record happy memories such as travel · Those who want to take care of casual situations 【Function summary】 · Fill / Edit - Image insertion from camera roll (insertable up to 10 sheets per day) · Insert image deletion · Calendar display · Register your favorite photos · List display · Moving year, moving · Today move · Password lock · Password hint display ·Change Password · Privacy support · Notification function · Search function 【Subscription】 Remove Ads $1.99/monthly Premium $2.99/monthly - Your payment will be charged to your iTunes Account once you confirm your purchase. - Your iTunes Account will be charged again when your subscription automatically renews at the end of your current subscription perior unless auto-renew is turned off at least 24 hours prior to the end of the current period. - You can manage or turn off auto-renew in your Apple ID Account Settings any time after purchase. Privacy Policy: https://myapp.anysense.co.jp/privacypolicy/ Terms of Use: https://myapp.anysense.co.jp/terms/ ******* - Website https://mynikki.life/ - Twitter https://twitter.com/mynikkifun - Facebook https://www.facebook.com/mynikkiapp

About

おとなの日記帳

A simple and stylish diary app that allows you to attach unlimited photos to your entries. Easily write long entries with a convenient keyboard and secure your memories with a passcode lock.

Highlights
  • Unlimited photo attachments
  • Batch photo selection
  • Camera integration
  • Convenient keyboard for long entries
  • Multiple entries per day
  • Passcode lock
Features
Read full description

◉このアプリについて おとなの日記帳は写真も貼れるシンプルで軽量な日記アプリです。 数ある日記アプリの中でも一番使いやすくおしゃれなアプリかもしれません。 ◉こだわり - 写真の添付枚数は無制限 - 写真は一括選択して添付できる - カメラ撮影して添付できる - 便利なキーボードのおかげで長文もスラスラ書ける - 1日あたり何個でも日記を書ける - パスコードロック機能あり

Screenshots

My Nikki4 screens
おとなの日記帳4 screens

Verdict

The call

The clearest difference is update cadence: My Nikki at every 3 weeks against おとなの日記帳's every 3 months. おとなの日記帳's advantage is review sentiment (86% vs 73%). On price, rating, ratings volume and ads 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 Nikki sells 2 in-app purchases, starting at $1.99 per month and おとなの日記帳 sells 2 one-off in-app purchases. 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 — 4.7 for My Nikki against 4.6 for おとなの日記帳. Both are backed by a comparable volume of ratings — 31 and 21 respectively. Written reviews are what separate them: 73% of My Nikki's written reviews are positive against 86% of おとなの日記帳's.

UpkeepUpdate frequency

My Nikki ships an update every 3 weeks, おとなの日記帳 every 3 months. Both last shipped on November 6, 2026.

Scorecard2 real differences · 8 level
My Nikki versus おとなの日記帳: the parameters behind the verdict, then further details
ParameterMy Nikkiおとなの日記帳
PriceFreeFree
Rating4.7 (31 ratings) — better4.6 (21 ratings)
Positive reviews73.0% of reviews85.7% of reviews — better
Number of ratings31 — better21
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS18.017 — better
Further details — not scored
Size57 MB33 MB
Age rating4+4+
DeveloperAnySense Inc.Masaki Hirano

Customer experience

My Nikki

All ratings31 ratings
Positive96.8%
Neutral0.0%
Negative3.2%
Written reviews141 reviews
Positive73.0%
Neutral11.3%
Negative15.6%

おとなの日記帳

All ratings21 ratings
Positive90.5%
Neutral0.0%
Negative9.5%
Written reviews21 reviews
Positive85.7%
Neutral9.5%
Negative4.8%

In-app purchases

2 purchases

My Nikki

Subscriptions2
  • Remove Ads$1.991 Month
  • Premium$2.991 Month
2 purchases

おとなの日記帳

One-time2
  • 広告非表示機能$2.99
  • バックアップ復元機能の開放$2.99

Questions

Is My Nikki free?
My Nikki is free to download, with in-app purchases available.
Is おとなの日記帳 free?
おとなの日記帳 is free to download, with in-app purchases available.
Which has better reviews, My Nikki or おとなの日記帳?
My Nikki is rated higher. My Nikki averages 4.7 out of 5 from 31 ratings, while おとなの日記帳 averages 4.6 from 21 ratings.
Do My Nikki or おとなの日記帳 have ads?
Both My Nikki and おとなの日記帳 show ads.
Which is updated more often, My Nikki or おとなの日記帳?
My Nikki ships an update every 3 weeks, and おとなの日記帳 every 3 months. Most recently, My Nikki was updated on November 6, 2026 and おとなの日記帳 on November 6, 2026.

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