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Cat health journal for iPhone

Your cat’s health, in one calm view.

Log litter, weight and meds in seconds. Purrlog spots the changes worth watching and turns them into a report your vet can read.

Free to start. Pro is a one-time $9.99.
Health flags
Three levels. Each says what we saw and where it came from.
Urgent
Possible urinary blockage
Contact a vet or emergency clinic now.
Pepper · 4 box visits in 2 h, little output, straining · last at 6:40 pm
Pinned to the top of Today and the profile. Cannot be dismissed.
Concern
Weight down 6% in 30 days
Miso went from 10.1 lb to 9.5 lb. This isn't a diagnosis. Talk to your vet.
4 weigh-ins · Sep 2 to Oct 1
On the profile. Can be dismissed for 7 days.
Notice
Litter visits are up
Luna used the box 7 times yesterday, usually about 4. This isn't a diagnosis. Talk to your vet.
Compared with her 14-day average
On the profile. Quiet, no notification.
9:41
9:41
Today
Friday, October 2
Urgent
Possible urinary blockage
Contact a vet or emergency clinic now.
Pepper · 4 box visits in 2 h, little output, straining
Due now
1 overdue
Meloxicam
Miso · 0.5 tablet = 2.5 mg
8:00 am
Given at10:05 am
Give
Skip
Later today
Pro-Kolin
Luna · 1 ml
2:00 pm
Quick log
Miso
Litter
Weight
Today
Medications
Miso
Luna
Pepper
Active
Meloxicam
Tablet · 5 mg · 0.5 tablet = 2.5 mg
Twice daily · day 6 of 14
8:00 pm
Pro-Kolin
Gel · 1 ml with food
Daily · day 3 of 30
Tomorrow 8:00 am
Finished
Clavamox
Finished Sep 12 · 10 of 10 doses
Add medication
9:41
How it works

A few taps a day. A clear picture over time.

Today

Everything that matters today, at a glance.

Litter, weight and doses due, on one screen. Log any of it in a tap and get back to your day.

9:41
Today
Friday, October 2
Urgent
Possible urinary blockage
Contact a vet or emergency clinic now.
Pepper · 4 box visits in 2 h, little output, straining
Due now
1 overdue
Meloxicam
Miso · 0.5 tablet = 2.5 mg
8:00 am
Given at10:05 am
Give
Skip
Later today
Pro-Kolin
Luna · 1 ml
2:00 pm
Quick log
Miso
Litter
Weight
Today
Health flags
Three levels. Each says what we saw and where it came from.
Urgent
Possible urinary blockage
Contact a vet or emergency clinic now.
Pepper · 4 box visits in 2 h, little output, straining · last at 6:40 pm
Pinned to the top of Today and the profile. Cannot be dismissed.
Concern
Weight down 6% in 30 days
Miso went from 10.1 lb to 9.5 lb. This isn't a diagnosis. Talk to your vet.
4 weigh-ins · Sep 2 to Oct 1
On the profile. Can be dismissed for 7 days.
Notice
Litter visits are up
Luna used the box 7 times yesterday, usually about 4. This isn't a diagnosis. Talk to your vet.
Compared with her 14-day average
On the profile. Quiet, no notification.
9:41
Health flags

Notice changes before they become emergencies.

Cats hide discomfort well. Purrlog watches for shifts in weight, appetite and litter habits, and tells you when something is worth a call to the vet.

Litter

The log nobody else keeps.

Litter is often the first place a problem shows up. Record each visit in two taps, and see the pattern build over weeks.

9:41
Today
Litter box · Miso
Now, 10:12 am
Pee
Urine only
Poop
Stool only
Both
Pee and poop
Tried
Nothing came out
One tap saves it. Add details after, if you like.
Add details
Medications
Miso
Luna
Pepper
Active
Meloxicam
Tablet · 5 mg · 0.5 tablet = 2.5 mg
Twice daily · day 6 of 14
8:00 pm
Pro-Kolin
Gel · 1 ml with food
Daily · day 3 of 30
Tomorrow 8:00 am
Finished
Clavamox
Finished Sep 12 · 10 of 10 doses
Add medication
9:41
Medications

Every dose, on time and on record.

Set a schedule once. Gentle reminders keep you on track, and every dose given is saved for the next checkup.

Vet report

Walk into the vet with answers, not guesses.

Export a clean PDF of weight trends, flags, litter history and medications. Share it from your phone, or print it in the waiting room.

Purrlog
Generated Oct 2, 2026
Covers Jul 4 to Oct 2 (90 days)
Vet summary
Miso
Male, neutered · about 4 years · Domestic shorthair · orange
Latest weight
9.5 lb
Oct 1
Concern · Weight down 6% in 30 days (10.1 lb to 9.5 lb, 4 weigh-ins). This isn't a diagnosis. Please talk to your vet.
Weight, 90 days
Litter box, 30 days
Visits128 (4.3 a day)
Pee only82
Poop only34
Both8
Tried, nothing4
Stool rated29 normal, 4 soft, 1 hard
Straining1 time (Sep 14)
Medications and adherence
MedicationDoseScheduleTaken
Meloxicam0.5 tablet = 2.5 mgTwice daily, 14 days10 of 12 (83%)
1 skipped, 1 missed
Pro-Kolin1 ml gel with foodDaily, 30 days3 of 3 (100%)
Vaccines
VaccineLast givenNext due
RabiesNov 14, 2025Nov 14, 2026
FVRCPAug 20, 2026Aug 20, 2027
FeLVNot recordedNot recorded
Compiled from entries the owner made in Purrlog. It is a record, not a diagnosis. · Page 1
Multi-cat

One home. A complete record for every cat.

Each cat gets their own log, flags and report. Switch between them in a tap, so nothing gets mixed up.

9:41
Cats
3 cats · 2 need a look
Miso
Male · 4 yrs
Dose due 8 pm
Pepper
Sex unknown
Urgent flag
Luna
Female · 10 yrs
All up to date
Add cat
Takes a minute
Cats
Pricing

Pay once. Keep it for good.

No subscription. Start free, and unlock everything with a single purchase when you’re ready.

Free
$0
For one cat
Litter box log
Weight tracking
Health flags
Backup export and import
Purrlog Pro
One-time
$9.99
Everything in Free, plus
Unlimited cats
Medications and reminders
Vet visits and vaccines
Photo timeline
PDF vet report
Optional iCloud sync

Your cat’s records stay on your iPhone.

Free or Pro, your data lives on your device. iCloud sync is optional and off by default. You choose when a report leaves your phone.