Uchinoko Diary vs Uchinoko
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Uchinoko Diary
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Little moments with your pet deserve to be remembered. Uchinoko Diary helps you capture everyday life with a photo and a note of up to 60 characters. From sleepy afternoons to a favorite toy, keep the moments you’ll want to revisit. • A simple daily diary Save a photo, add a short note, and use stamps to capture moods and highlights. You can edit saved entries later. • Your days at a glance Browse photos and stamps in the monthly calendar, or find past memories in the diary list. • A month of memories on one album page Choose a favorite photo entry from each week to create a monthly album. Personalize it with backgrounds, frames, and title decorations you’ve unlocked. • Sit back and revisit photo memories Replay photo entries from a selected month in random order. Pause whenever you like or move between entries. • A profile full of personality Keep your pet’s photo, name, birthday, age, personality, and special talent together. Adjust the position and zoom of the profile photo. • More to collect as you keep writing Unlock rewards through diary milestones, seasons, and your pet’s birthday. Watch an egg crack open to reveal album decorations, app icons, and diary backgrounds. • Your pet on your Home Screen An iPhone widget shows the profile photo, today’s diary status, and your writing streak. Tap it to open today’s entry. For dogs, cats, rabbits, hamsters, guinea pigs, parakeets, finches, goldfish, rice fish, turtles, and other beloved pets. Make room for their everyday moments, at your own pace. The app displays ads. An in-app purchase is available to remove them.
Uchinoko
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Uchinoko is a quiet space to speak with the beloved pet you've lost across the rainbow bridge. Share your pet's personality and memories with the AI, and it will gently reply in their voice. This is not actual communication with deceased pets. It's a memorial companion app to keep your pet's memory close and offer gentle comfort on lonely nights. ■ Features - Save your pet's personality and photo - Daily AI chat in their voice - Memory journal - 12 authored monthly “memory bookmarks” that offer a new prompt each month - Start a journal entry directly from a bookmark - Weekly/yearly PDF export (Pro) ■ Pro - Unlimited chats (free is 3/day) - Multiple pets - Read all 12 monthly memory bookmarks - PDF export - Weekly ¥250 (3-day free trial) or Yearly ¥4,800 Keep their memory close, always. Subscriptions and legal information: - Uchinoko Pro Weekly: ¥250/week with a 3-day free trial. - Uchinoko Pro Yearly: ¥4,800/year. - Payment renews automatically unless canceled at least 24 hours before the end of the current period. - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - Privacy Policy: https://starcrown.co.jp/privacy
Screenshots
Verdict
The clearest difference is ads: Uchinoko at none against Uchinoko Diary's shown. Uchinoko Diary's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases 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. Uchinoko Diary sells 1 one-off in-app purchase and Uchinoko sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.
| Parameter | Uchinoko Diary | Uchinoko |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | Every 4 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 229 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Ota Sato | Starcrown Inc |
In-app purchases
Uchinoko Diary
- 広告を非表示にする$2.99
Uchinoko
- Pro Weekly3 Days trial$1.997 Days
- Pro Yearly$29.991 Year








