Comparison

Secure Daily Diary vs Diary! SmartDiary

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

Head to head
About

Secure Daily Diary

Capture your thoughts and memories securely with a private journal. Protect your entries with a passcode, Face ID, or Touch ID. Enjoy a customizable experience with various themes and icons, all stored locally and synced via iCloud.

Highlights
  • Passcode, Face ID, or Touch ID protection
  • Local storage and iCloud sync
  • No third-party servers or sign-ups
  • 20+ color themes
  • Multiple app icons
Features
Read full description

Secure Daily Diary is a simple, elegant, and secure way to capture your thoughts, memories, and daily moments. Your privacy comes first: your entries are protected by a passcode, Face ID, or Touch ID. Everything is stored on your device and synced via your personal iCloud — no third-party servers, no sign-ups. Only you have access to your diary. Customize your experience with 20+ thoughtfully designed color themes and multiple app icons. Make it feel truly yours. With Secure Daily Diary, the important moments of your life are always safe — and always just a tap away.

About

Diary! SmartDiary

Record daily life with photos and track your mood and schedule on a calendar. Secure your entries with a passcode and easily access past memories. Customize your diary with various settings for a personalized experience.

Highlights
  • Record memories with photos
  • Track daily mood and schedule
  • Passcode lock with biometric support
  • iCloud backup and data migration
  • Customizable calendar and diary settings
  • Input forgetting notifications
Read full description

Simple and easy operation private diary application. ・Leave memories of daily life with photos easily. ・You can enter in the calendar the mood and schedule of the day. ・You can easily display past memories. ・Passcode lock (Touch ID, Face ID support) ・iCloud backup (iPhone, data migration between the iPad is also possible) [Other functions] ・Cover photo setting ・Calendar display setting (Start Week On, Calendar Position, Cover Photo Size, Transparency) ・Diary text setting (Font Size, Font Depth, Line Spacing) ・Theme color setting ・Notification of forgetting input ・Support for landscape orientation (iPad only) [Credit] ・Designed by Freepik and distributed by Flaticon (https://www.flaticon.com) ・Icons8 (https://icons8.com) ・This software includes the work that is distributed in the Apache License 2.0.

Screenshots

Secure Daily Diary4 screens
Diary! SmartDiary4 screens

Verdict

The call

The clearest difference is ads: Secure Daily Diary at none against Diary! SmartDiary's shown. Secure Daily Diary also leads on update cadence (every 3 weeks vs every 3 months) and ratings volume (452 vs 44). Diary! SmartDiary's advantage is review sentiment (93% vs 71%). On price, rating, in-app purchases and monetization model 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. Secure Daily Diary sells 1 one-off in-app purchase and Diary! SmartDiary sells 1 one-off in-app purchase. 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 — 4.6 for Secure Daily Diary against 4.6 for Diary! SmartDiary. That said, the two scores are not equally well evidenced: Secure Daily Diary has 452 ratings behind it against 44, so its average is the more settled of the two. Written reviews are what separate them: 71% of Secure Daily Diary's written reviews are positive against 93% of Diary! SmartDiary's.

UpkeepUpdate frequency

Secure Daily Diary ships an update every 3 weeks, Diary! SmartDiary every 3 months. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

Scorecard4 real differences · 6 level
Secure Daily Diary versus Diary! SmartDiary: the parameters behind the verdict, then further details
ParameterSecure Daily DiaryDiary! SmartDiary
PriceFreeFree
Rating4.6 (452 ratings)4.6 (44 ratings)
Positive reviews71.2% of reviews93.3% of reviews — better
Number of ratings452 — better44
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size16 MB12 MB
Age rating4+4+
DeveloperDmytro VynokurovHideki Okuno

Customer experience

Secure Daily Diary

All ratings452 ratings
Positive88.9%
Neutral4.2%
Negative6.9%
Written reviews66 reviews
Positive71.2%
Neutral4.5%
Negative24.2%

Diary! SmartDiary

All ratings44 ratings
Positive90.9%
Neutral2.3%
Negative6.8%
Written reviews45 reviews
Positive93.3%
Neutral6.7%
Negative0.0%

Bugs and requests

Secure Daily Diary

Reported bugs

9 issues
  • Entries disappear after app update or reinstall
  • Entries fail to save properly
  • Password protection bypassed when reopening app
  • Search function causes app to freeze/lock up
  • Paid upgrade not registering - asks to repay
Show 4 more
  • Storage limit notification appears too early
  • Partial entry saving (only portion of text saved)
  • All entries deleted unexpectedly
  • Password reset not working after reinstall

Requested features

7 requests
  • Photo/image upload and attachment capability
  • Touch ID or biometric authentication
  • Better background customization and decoration options
  • Ability to write entries for past dates
  • More creative design and styling options
Show 2 more
  • Free or unlimited storage without paywall
  • Improved search functionality

Diary! SmartDiary

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Secure Daily Diary

One-time1
  • Unlimited Diary$9.99
1 purchases

Diary! SmartDiary

One-time1
  • Remove Ads$2.99

Questions

Is Secure Daily Diary free?
Secure Daily Diary is free to download, with in-app purchases available.
Is Diary! SmartDiary free?
Diary! SmartDiary is free to download, with in-app purchases available.
Which has better reviews, Secure Daily Diary or Diary! SmartDiary?
Secure Daily Diary and Diary! SmartDiary are both rated 4.6 out of 5 on the App Store, from 452 and 44 ratings respectively.
Do Secure Daily Diary or Diary! SmartDiary have ads?
Diary! SmartDiary shows ads; Secure Daily Diary does not.
Which is updated more often, Secure Daily Diary or Diary! SmartDiary?
Secure Daily Diary ships an update every 3 weeks, and Diary! SmartDiary every 3 months. Most recently, Secure Daily Diary was updated on October 14, 2026 and Diary! SmartDiary on October 17, 2026.

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