Comparison

Pet First Aid vs RhythmTracker

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

Head to head
About

Pet First Aid

This app provides essential pet first aid information for common emergencies. It offers step-by-step guides, videos, and quizzes to help pet owners respond effectively to medical situations, find nearby vets, and manage pet health.

Highlights
  • Step-by-step emergency guides
  • How-to videos for pet CPR
  • First aid for over 25 pet situations
  • Identify toxic substances
  • Locate emergency vets
  • Multiple pet profiles
  • Interactive quizzes and badges
Features
Read full description

**"One of 5 most purr-fect apps for Cat Lovers" (04/29/2014) - Mobile FOMO** **"8 Cool Tools for Gadget - Loving Pet People" (04/23/2014) - Good Housekeeping** **"App could be a lifesaver for beloved four legged companions" (02/04/2014) - Times News** **"We just used the NEW @redcross Pet FA App while at the #darbyfire response! Awesome! #gamechanging" (01/16/2014) - Red Paw Emergency Relief Team** **"Your cat is wheezing and coughing. A car just hit your dog. Don't panic. The American Red Cross has a 99-cent app to help." (01/27/2014) The Ledger.com** **"One of 5 most purr-fect apps for Cat Lovers" (04/29/2014) - Mobile FOMO** **"8 Cool Tools for Gadget - Loving Pet People" (04/23/2014) - Good Housekeeping** **"App could be a lifesaver for beloved four legged companions" (02/04/2014) - Times News** **"We just used the NEW @redcross Pet FA App while at the #darbyfire response! Awesome! #gamechanging" (01/16/2014) - Red Paw Emergency Relief Team** **"Your cat is wheezing and coughing. A car just hit your dog. Don't panic. The American Red Cross has a 99-cent app to help." (01/27/2014) The Ledger.com** **"There is a new app on the market that is allowing pet owners to be potential life savers." (01/15/2014) - WMBF News** The American Red Cross Pet First Aid app puts veterinary advice for everyday emergencies in the palm of your hand. With videos, interactive quizzes, and simple step-by-step advice it’s never been easier to know Pet First Aid. Features: • Respond to pet emergencies with “how to” videos for the common and stressful emergency situations inclusive of size specific CPR techniques. • Learn first aid steps for over 25 common pet situations through a combination of text, video and images, in addition to identifying common toxic substances. • Locate your nearest emergency vet hospital or pet-friendly hotels. • Customize multiple pet profiles and set veterinary appointments. • Interactive quizzes allow you to earn badges that you can share with your friends along with a picture of your pet. • Programmable veterinary contact number to be available when needed throughout the app. • Simple step-by-step instructions guide you through everyday emergencies in the palm of your hand. • Early warning sign checker for preventive care. • Prepare and protect your pet’s health with advice on administering medication, time to say goodbye, behavioral help and how to act in a disaster situation. • Convenient toggle between cat and dog content.

About

RhythmTracker

Read full description

Understand Your Heart Rhythm Patterns RhythmTracker helps you discover connections between daily life, mood, and heart rhythm symptoms. Whether you experience atrial fibrillation, palpitations, or other arrhythmias, this app provides insight and data to understand your triggers. Who Should Use RhythmTracker Anyone experiencing heart rhythm irregularities: Atrial Fibrillation, PVCs, Palpitations, SVT, or other arrhythmias. Especially valuable for those logging lifestyle triggers, preparing for cardiology appointments, or managing chronic arrhythmia. Beautiful Calendar Interface Track your heart health with an intuitive monthly calendar. Each day shows symptom intensity with color-coded indicators, making patterns visible immediately. Quick navigation lets you jump to any date or log today's experience in seconds. Personalized Daily Tracking Track symptom intensity on a 0-5 scale, record your mood, log personal habits, and add notes when needed. Define up to 10 custom situation labels matching your lifestyle—coffee, exercise, stress, alcohol, foods, sleep quality, or whatever might affect your symptoms. Optional menstrual cycle tracking is available. Powerful Statistical Analysis With at least two weeks of entries, run comprehensive analysis using established medical research methods: Spearman Correlation identifies which habits and moods occur with symptoms; Time-Lagged Analysis detects delayed effects up to 3 days later; Fisher's Exact and Chi-Square Tests validate pattern significance; confidence ratings separate real patterns from chance. Results You Can Understand Every finding is explained in plain English: "Symptoms were more common on Coffee days - Noticeable pattern." Each result includes confidence indicators so you know which patterns deserve attention. Healthcare Collaboration Export tracked data as CSV files for doctor appointments. Visual calendars and statistical summaries enable informed conversations about triggers and treatment. Complete Privacy All tracking and analysis happens on your iPhone. Your data never leaves your device unless you export it. No cloud storage, no account required, no data sharing. Key Features Calendar: Monthly view with color-coded indicators, swipe navigation, one-tap access to any day. Daily Entry: Symptom intensity slider (0-5), mood tracking, up to 10 customizable habit labels, optional menstrual tracking, daily notes. Analysis: Spearman correlation, time-lagged detection (0-3 days), Fisher's Exact and Chi-Square tests, plain-English explanations, confidence indicators. Export: CSV files including all tracked data and notes. How It Works Customize categories for habits you want to track Log daily (30 seconds): symptom intensity, mood, situations, optional notes Build history over 2+ weeks for meaningful pattern detection Run analysis to identify significant patterns Review plain-English findings with strength indicators Share CSV exports with your doctor The Science RhythmTracker uses recognized statistical methods: Spearman Correlation measures whether factors—including mood—occur together with symptoms; Time-Lagged Analysis reveals delayed effects; Fisher's Exact and Chi-Square Tests determine significance. Every finding includes p-value calculations indicating confidence. Medical Disclaimer RhythmTracker is a tracking tool, not a medical device. It does not diagnose conditions or provide medical advice. Findings are observational correlations to discuss with your provider. For severe symptoms, chest pain, or difficulty breathing, seek immediate medical attention. Privacy Commitment Your health information stays on your device. We do not collect, store, or access your data. No accounts, no cloud storage, no analytics. Complete control is yours. Start Today Download RhythmTracker and discover patterns affecting your heart health. Consistent logging, powerful analysis, and complete privacy help you and your doctor make informed decisions.

Screenshots

Pet First Aid4 screens
RhythmTracker4 screens

Verdict

The call

The clearest difference is price: Pet First Aid at Free against RhythmTracker's $8.99. RhythmTracker's advantage is update cadence (weekly vs every 7 months). On ads, in-app purchases, device support and iOS requirement 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

Pet First Aid is free to download; RhythmTracker costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Pet First Aid ships an update every 7 months, RhythmTracker weekly. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
Pet First Aid versus RhythmTracker: the parameters behind the verdict, then further details
ParameterPet First AidRhythmTracker
PriceFree — better$8.99
Rating4.2 (74 ratings) — better—
Positive reviews63.8% of reviews—
Number of ratings74 — better—
Update frequencyEvery 7 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhoneiPhone
Requires iOS18.0 — better18.6
Further details — not scored
Size59 MB9 MB
Age rating4+17+
DeveloperAmerican Red CrossITSecuConsult

Bugs and requests

Pet First Aid

Reported bugs

5 issues
  • CPR quiz scoring is incorrect
  • App reverts to dog section upon reopening
  • Vet finder has inaccurate distance information
  • App does not work on all iPads
  • Tests are not working/scoring correctly

Requested features

17 requests
  • Update the app
  • Add videos showing techniques
  • Allow sending feedback from within the app
  • Add a 'foods to avoid' section for dogs and cats
  • Show local vets
Show 12 more
  • Add information on diarrhea
  • Include a section on pet fever
  • Add more pet information fields (birthdate, breed, medical conditions, cautions, photo)
  • Add information for rabbits and other animals
  • Add summer and winter tips that are accessible year-round
  • Add illustrations and explicit instructions
  • Add a section on ear itching
  • Add an index for quick reference
  • Add videos on bandaging and tick removal
  • Improve iPad compatibility
  • Allow easy sharing of pet/vet info with family
  • Separate apps for cat vs. dog

RhythmTracker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Pet First Aid

No in-app purchases

None

RhythmTracker

No in-app purchases

Questions

Is Pet First Aid free?
Pet First Aid is free to download, with no in-app purchases.
Is RhythmTracker free?
RhythmTracker costs $8.99, with no in-app purchases.
Do Pet First Aid or RhythmTracker have ads?
Neither Pet First Aid nor RhythmTracker shows ads.
Which is updated more often, Pet First Aid or RhythmTracker?
Pet First Aid ships an update every 7 months, and RhythmTracker weekly. Most recently, Pet First Aid was updated on October 17, 2026 and RhythmTracker on October 2, 2026.

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