Comparison

Diary! SmartDiary vs odd

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

Head to head
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.

About

odd

This app allows you to create a daily journal with a single photo and a few words. It features unique animal stickers to express your mood and a calendar view to revisit past entries. Sync your journal across devices using iCloud and secure it with Face ID.

Highlights
  • Daily photo and text entries
  • Expressive animal stickers
  • Calendar view of past entries
  • iCloud synchronization
  • Face ID security
  • Home screen widgets
Features
Read full description

One day is one entry: a photograph and a few words. That is the whole diary. There is no feed to scroll, no likes, nothing to set up. You open the app in the evening, you put the day down, you close it. THE DAY A photo from the camera or your library, the date, and as much text as you want. It saves itself as you type — there is no Save button to forget. STICKERS Thirty-five cats and dogs stand right in the sentence, where a word would be: a sad cat, a dog at a laptop, a cat with a glass at the end of a long Tuesday. They are the only color in a black-and-white app, and they stay on the day — the calendar, the widgets and the year keep to gray. Type a word or an emoji and the right animal comes running. THE HISTORY Written days become squares in a calendar. Scroll back and the months keep going; tap a square and the day opens. A year is visible whole. THE EVENING REMINDER It comes only while today is still empty. Write the day and the evening stays quiet. WIDGETS Today's photograph on the home screen, the whole year as squares, and a small mark on the lock screen that opens the diary. YOUR OWN iCLOUD Entries sync through your private iCloud — the iPhone writes, the iPad shows the same year. There is no account, no login, and no server of ours holding your year. We cannot read what you write. FACE ID The diary opens with your face or your passcode. There is no separate code inside the app: it would be nobody's to restore. FREE, AND ODD PRO The diary, the calendar and your entries on every device you own are free always — one photograph a day, and as many words as you like. odd Pro adds: • up to five photographs in a day • the cats and dogs in your text • the Today and Year widgets • the Face ID lock Three days free. After that a year at a time, or one payment that never runs out. An expired subscription never hides what you have already written — it only stops you adding more. iPhone, iOS 18 and later. Privacy Policy: https://required.co.nz/odd/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Diary! SmartDiary4 screens
odd4 screens

Verdict

The call

The clearest difference is ads: odd at none against Diary! SmartDiary's shown. odd also leads on update cadence (every 4 days vs every 3 months). Diary! SmartDiary's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, review sentiment, 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. Diary! SmartDiary sells 1 one-off in-app purchase and odd sells 2 in-app purchases, starting at $24.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Diary! SmartDiary ships an update every 3 months, odd every 4 days. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
Diary! SmartDiary versus odd: the parameters behind the verdict, then further details
ParameterDiary! SmartDiaryodd
PriceFreeFree
Rating4.6 (44 ratings) — better—
Positive reviews93.3% of reviews100.0% of reviews — better
Number of ratings44 — better—
Update frequencyEvery 3 monthsEvery 4 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.0
Further details — not scored
Size12 MB11 MB
Age rating4+4+
DeveloperHideki OkunoKonstantin Shmykov

Customer experience

Diary! SmartDiary

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

odd

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Diary! SmartDiary

One-time1
  • Remove Ads$2.99
2 purchases

odd

Subscriptions1
  • odd Pro for a year3 Days trial$24.991 Year
One-time1
  • odd Pro Forever$49.99

Questions

Is Diary! SmartDiary free?
Diary! SmartDiary is free to download, with in-app purchases available.
Is odd free?
odd is free to download, with in-app purchases available.
Do Diary! SmartDiary or odd have ads?
Diary! SmartDiary shows ads; odd does not.
Which is updated more often, Diary! SmartDiary or odd?
Diary! SmartDiary ships an update every 3 months, and odd every 4 days. Most recently, Diary! SmartDiary was updated on October 17, 2026 and odd on October 1, 2026.

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