odd vs Inkday Diary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Daily photo and text entries
- Expressive animal stickers
- Calendar view of past entries
- iCloud synchronization
- Face ID security
- Home screen widgets
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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/
Inkday Diary
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Inkday is a private voice diary for iPhone. You speak one page a day. The recording becomes text on your device and stays there. There is no account and no cloud. Inkday has no developer servers, no analytics, and no subscription. Recording, transcription and mood detection run on Apple’s on-device frameworks. The last 30 days are always yours to read. Older pages stay on the phone and can be unlocked once. • One page a day, up to ten minutes • On-device speech-to-text • Original audio kept with each page • A haptic timeline through past days • A year of days as a quiet dot grid • Optional daily reminder — one, never a streak • Light and dark paper themes • Home-screen widget for the year Unlock the archive Pages older than 30 days can be unlocked with a single one-time purchase. Nothing is deleted if you wait. Restore Purchase is in Settings. Requires iOS 26 or later. — Unlock the archive (optional) One-time In-App Purchase to unlock diary pages older than 30 days, forever. No subscription. Price: $4.99 USD / €4.99. Price may vary by region. Restore purchases in Settings. — Privacy Policy: https://inkday-neon.vercel.app/privacy Terms of Use: https://inkday-neon.vercel.app/terms
Screenshots
Verdict
The clearest difference is in-app purchases: Inkday Diary at none against odd's 2. odd's advantage is iOS requirement (18.0 vs 26.5). On price, ads 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
Both are free to download. odd sells 2 in-app purchases, starting at $24.99 per year. Inkday Diary asks for nothing beyond the download.
| Parameter | odd | Inkday Diary |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 — better | 26.5 |
| Further details — not scored | ||
| Size | 11 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Konstantin Shmykov | Fabian Gruss |
In-app purchases
odd
- odd Pro for a year3 Days trial$24.991 Year
- odd Pro Forever$49.99
Inkday Diary
No in-app purchases









