Comparison

Simple Diary, Journal, Notes vs Dayji

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

Head to head
About

Simple Diary, Journal, Notes

This app offers a straightforward and aesthetically pleasing way to maintain a daily journal. Designed for users seeking simplicity, it avoids complex settings for an intuitive and stress-free journaling experience.

Highlights
  • Simple daily diary keeping
  • Easy-to-use interface
  • Beautiful and clean design
  • Intuitive management
  • Stress-free journaling
Features
Read full description

○ For people like this ・People who just want to keep a daily diary in a simple way. ・People who want to use a simple but easy to use diary. ・People who are tired of using diary with complicated settings. ○ Simple and beautiful design It is designed to be a simple and easy-to-use diary. It has become such a sophisticated design that "pull" rather than "add" the function. It is an application that embodies "simple is best". ○ Easy to use Thanks to its simple design and no extra features, you can use the app intuitively. You can manage your diary in a fun and stress-free manner.

About

Dayji

This app helps you record your daily thoughts and memories with features like monthly summaries, photo galleries, and customizable themes. It offers iCloud synchronization and CSV export for easy data management and access across devices.

Highlights
  • Monthly summary memos
  • Photo gallery per day
  • iCloud backup and sync
  • CSV export
  • Password lock
  • Customizable themes and font size
Read full description

A simple diary app that allows you to view entries on a monthly basis. It supports synchronization with iCloud and allows you to export your diary entries in CSV format. ■ Two selectable display styles: List View and Monthly View List View displays entries in a list format, showing only the dates on which entries were written. Monthly View displays all dates in advance. You can choose the display method that suits you best. ■ Ability to write summary memos for each month This feature allows you to easily reflect on what you have been doing. It also helps you remember what happened in a particular month when looking back. ■ Favorites feature You can easily access important diary entries and quickly retrieve the necessary information. ■ Photo gallery for each day's captured photos You can easily browse photos taken on specific dates, enhancing your memory of past events. Even when writing diary entries at a later date, it will be easier to recall the events of that day. Additionally, you can add photos without manual effort, making diary writing stress-free. ■ Visual division by week for easy viewing Similar to how calendars are divided into weeks, this app also provides visual divisions for each week. ■ Easily identify days without diary entries to prevent forgetting The app displays the number of diary entries for each month, encouraging you to write a diary entry every day. It helps maintain the habit of writing a diary. ■ Write diary entries in plain text You can write diary entries in plain text, freeing yourself from the hassle of formatting text. ■ Character counter to track the number of words A character counter allows you to quickly see how much you have written, helping you keep track of your progress. ■ Supports backup in CSV format You can back up your diary entries and easily store the data externally. ■ Compatible with Mac for editing and viewing on any device Since it is also compatible with Mac, you can edit your diary entries on any device that suits your convenience. ■ Customizable theme colors You can change the theme colors to your liking, selecting colors that match your preferences. ■ Adjustable font size You can change the font size according to your preference. If the text is too small or too large to read comfortably, you can adjust it to a size that suits you. ■ Backup and synchronization across devices using iCloud You can back up your diary entries using iCloud, eliminating the worry of data loss. It also allows sharing and editing of entries across different devices. ■ Lock the app with a password You can lock the app with a password, ensuring the security of your diary.

Screenshots

Simple Diary, Journal, Notes4 screens
Dayji4 screens

Verdict

The call

The clearest difference is ads: Dayji at none against Simple Diary, Journal, Notes's shown. Dayji also leads on rating (5.0 vs 4.8) and monetization model (free vs ad-supported). Simple Diary, Journal, Notes's advantage is ratings volume (172 vs 3) and update cadence (fortnightly vs every 2 months). On price, 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.

ReceptionRating · Positive reviews · Number of ratings

Dayji holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Simple Diary, Journal, Notes has 172 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Simple Diary, Journal, Notes ships an update fortnightly, Dayji every 2 months. The most recent releases landed on September 21, 2026 and July 28, 2026 respectively.

Scorecard6 real differences · 4 level
Simple Diary, Journal, Notes versus Dayji: the parameters behind the verdict, then further details
ParameterSimple Diary, Journal, NotesDayji
PriceFreeFree
Rating4.8 (172 ratings)5.0 (3 ratings) — better
Positive reviews86.1% of reviews—
Number of ratings172 — better3
Update frequencyFortnightly — betterEvery 2 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS15.0 — better26.0
Further details — not scored
Size45 MB2 MB
Age rating4+4+
DeveloperFutoshi NiihoDaichi Kato

Customer experience

Simple Diary, Journal, Notes

All ratings172 ratings
Positive95.9%
Neutral3.5%
Negative0.6%
Written reviews108 reviews
Positive86.1%
Neutral4.6%
Negative9.3%

Dayji

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Simple Diary, Journal, Notes

Reported bugs

3 issues
  • Entries disappearing without explanation
  • Crashes or freezes after recent update
  • Issues with photo attachment and display

Requested features

6 requests
  • Allow editing of existing entries
  • Display time of each entry
  • Ability to change font style
  • Option to print or export diary entries
  • Calendar view with ability to navigate between months
Show 1 more
  • Ability to add tags or categories to entries

Dayji

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Simple Diary, Journal, Notes

No in-app purchases

None

Dayji

No in-app purchases

Questions

Is Simple Diary, Journal, Notes free?
Simple Diary, Journal, Notes is free to download, with no in-app purchases.
Is Dayji free?
Dayji is free to download, with no in-app purchases.
Which has better reviews, Simple Diary, Journal, Notes or Dayji?
Dayji is rated higher. Simple Diary, Journal, Notes averages 4.8 out of 5 from 172 ratings, while Dayji averages 5.0 from 3 ratings.
Do Simple Diary, Journal, Notes or Dayji have ads?
Simple Diary, Journal, Notes shows ads; Dayji does not.
Which is updated more often, Simple Diary, Journal, Notes or Dayji?
Simple Diary, Journal, Notes ships an update fortnightly, and Dayji every 2 months. Most recently, Simple Diary, Journal, Notes was updated on September 21, 2026 and Dayji on July 28, 2026.

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