Comparison

usagiDiary vs PetSync

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

Head to head
About

usagiDiary

Easily track your rabbit's daily health and care activities. Monitor food intake, weight, droppings, and more with customizable categories and a visual calendar. Get deeper insights with premium features for long-term health tracking.

Highlights
  • Daily health logging for rabbits
  • Customizable care categories
  • Calendar view of entries
  • Visual weight tracking chart
  • Support for multiple rabbits
  • Birthday and anniversary celebrations
Features
Read full description

"Is my rabbit eating less than usual?" That small observation could be the first step to protecting your rabbit's health. usagi Diary makes daily care visible and helps you spot changes early. [Made for rabbits - done in 30 seconds] Food amount, weight, droppings, urine, water intake, grooming, vet visits, medication, and diary. 9 categories designed just for rabbits. No unnecessary steps, so you can keep it up every day. Reorder the categories or hide the ones you don't need. Customize it to fit your routine. [Calendar view for the full picture] Every entry shows up as a marker on the calendar. Tap a date to instantly see that day's records. Perfect for preparing before your next vet visit. [Weight chart catches changes] Track your rabbit's weight over time with a visual chart. Color-coded zones based on veterinary guidelines show you at a glance what to watch for. Charts up to 1 month are free. [Multiple rabbits welcome] Register as many rabbits as you like. Switch between them with one tap and manage each health record separately. [Celebrate birthdays and anniversaries] "She turns 3 today!" "100 days since coming home!" Birthdays, anniversaries, and milestones are celebrated automatically. Your daily entries become memories too. [Premium for deeper insights] - Weight chart from 3 months to all time - Breed-specific growth curves for comparison - Water intake chart All recording features and the weight chart up to 1 month are free. Start with your first entry today. Languages: English / Deutsch / 日本語 / 한국어

About

PetSync

Features
Read full description

PetSync helps you keep all your pet’s health records in one place. Whether you have a dog, cat, or multiple pets, PetSync makes it easy to track daily health information and important care reminders. FEATURES • Track pet weight and health history • Record vaccinations and booster schedules • Manage medications and treatment notes • Keep vet visit records organized • Set reminders for important pet care tasks • Manage multiple pets in one app • Share pet information with family members • Secure cloud sync across your devices PERFECT FOR • Dog owners • Cat owners • Multi-pet households • Families sharing pet care responsibilities PetSync helps you stay organized and never miss important health events for your pets. Subscription Information PetSync Premium unlocks advanced features including family sharing and additional management tools. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.nekoyaappsupport.com/privacy-policy/

Screenshots

usagiDiary3 screens
PetSync4 screens

Verdict

The call

The clearest difference is device support: PetSync at 3 against usagiDiary's 1. On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. usagiDiary sells 4 in-app purchases, starting at $2.99 per month and PetSync sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

usagiDiary ships an update fortnightly, PetSync every 11 days. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

Scorecard1 real difference · 9 level
usagiDiary versus PetSync: the parameters behind the verdict, then further details
ParameterusagiDiaryPetSync
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews42.1% of reviews—
Number of ratings1 — better—
Update frequencyFortnightlyEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size110 MB107 MB
Age rating17+4+
DeveloperRYUNOSUKE OTAMARIE MORIKAGE

In-app purchases

4 purchases

usagiDiary

Subscriptions4
  • usagi Diary Premium$2.991 Month
  • うさぎDiaryプロプラン$5.991 Month
  • usagi Diary Premium(Annual)$19.991 Year
Show 1 more
  • うさぎDiaryプロプラン$49.991 Year
2 purchases

PetSync

Subscriptions2
  • Monthly Premium$2.991 Month
  • Yearly Premium$29.991 Year

Questions

Is usagiDiary free?
usagiDiary is free to download, with in-app purchases available.
Is PetSync free?
PetSync is free to download, with in-app purchases available.
Do usagiDiary or PetSync have ads?
Neither usagiDiary nor PetSync shows ads.
Which is updated more often, usagiDiary or PetSync?
usagiDiary ships an update fortnightly, and PetSync every 11 days. Most recently, usagiDiary was updated on October 24, 2026 and PetSync on October 17, 2026.

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