Cardalis vs RespiDog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cardalis
Monitor your dog's resting respiratory rate to help manage heart failure. This app helps you record and graph the data, which can then be emailed to your veterinarian.
- Measure resting respiratory rate
- Record rate as a graph
- Email results to veterinarian
- Track heart failure progression
- Informational and educational tool
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Why monitor resting respiratory rate? An increase in resting respiratory rate can be an early sign that your dog’s condition needs attention. Regular monitoring helps: ∙ Detect changes early ∙ Support treatment follow-up ∙ Provide valuable information to your veterinarian A simple way to support heart health If your dog has been diagnosed with a heart condition, or requires ongoing monitoring, tracking their resting respiratory rate at home is an important part of care. Using the Respiratory Rate App helps you: ∙ Easily measure respiratory rate at rest ∙ Record and track results over time ∙ Monitor activity levels during your dog walks ∙ Program helpful reminders for medications or monitoring ∙ Share useful information with your veterinary team ∙ Stay actively involved in your dog’s care between visits How to Use the application ∙ Measure your dog’s breathing while they are calm and resting ∙ Record the number of breaths per minute ∙ Track results over time ∙ Contact your veterinarian if values increase or if you have concerns
RespiDog
Easily monitor your dog's breathing rate in real-time to help detect early signs of Congestive Heart Failure. Track breaths per minute with simple taps, visualize data over time with graphs, and maintain a health journal for your pet.
- Real-time breathing rate tracking
- Visualize respiratory data with graphs
- Create a health journal for your dog
- Export breathing data in CSV format
- Simple tap-to-count interface
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From Invoxia, leaders in canine health technology, comes RespiDog, a powerful, user-friendly application to monitor your dog’s breathing rate, entirely for free. Regular monitoring of your dog’s respiratory rate is vital in early detection of Congestive Heart Failure (CHF), a common cardiac problem in dogs. RespiDog makes it easy for you to track your dog’s breaths per minute in real-time. With a simple tap each time your dog inhales, the app calculates and displays the breaths per minute, giving immediate insight into your furry friend’s health. Key Features: - Easy to use: Tap the screen each time your dog inhales, and RespiDog takes care of the rest. - Real-time tracking: Receive instant readings of your pet’s breathing rate. - Visualize with graphics: Review your pet’s respiratory data over time in beautiful, easy-to-read graphs. - Health journal: Keep a comprehensive history of your dog’s breathing health, with each measurement recorded with the date and time. - Data export: Easily export your data in CSV format for further analysis or to share with your veterinarian. - Free to use: In our commitment to canine health, RespiDog is free to all users. While RespiDog can be a valuable tool in detecting early signs of CHF, for other heart conditions like Mitral Valve Disease (MVD) or Dilated Cardiomyopathy (DCM), it’s recommended to monitor your pet’s heart rate using specialized devices such as Invoxia’s Smart Dog Collar. Start prioritizing your pet’s cardiac health today with RespiDog. Download now and begin tracking!
Screenshots
Verdict
The clearest difference is review sentiment: RespiDog at 100% against Cardalis's 21%. RespiDog also leads on rating (5.0 vs 2.3). Cardalis's advantage is update cadence (every 2 months vs every 22 months) and ratings volume (245 vs 3). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
RespiDog holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: Cardalis has 245 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 21% of Cardalis's written reviews are positive against 100% of RespiDog's.
Cardalis ships an update every 2 months, RespiDog every 22 months. The most recent releases landed on September 24, 2026 and September 13, 2026 respectively.
| Parameter | Cardalis | RespiDog |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (245 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 21.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 245 — better | 3 |
| Update frequency | Every 2 months — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 23 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Ceva Sante Animale S.A. | invoxia |
Customer experience
Cardalis
RespiDog
Bugs and requests
Cardalis
Reported bugs
18 issues- Critical data loss during app updates
- App freezes and crashes on launch or navigation
- Email functionality not working or removed
- Print functionality broken or removed
- Notes not saved or retrievable
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- Persistent high-reading alerts cannot be dismissed
- Graph display corrupted on iPhone 15 Pro Max (notch coverage)
- Involuntary screen rotation between portrait/landscape
- Keyboard popup blocks comment input field
- Settings changes not saving (target frequency modification)
- Incorrect timezone display with no adjustment option
- Daylight saving time not handled correctly
- Notification badge (red circle with '1') cannot be removed
- Graph data outside screen boundaries
- Reminders triggering at wrong frequency or times
- Menu buttons hidden by keyboard
- Incompatibility with older iOS versions
- iPad compatibility issues
Requested features
18 requests- Support for multiple pets/dogs in single app
- Cat-friendly version or pet-neutral branding
- Ability to add notes to all readings (not just high ones)
- Customizable timer intervals (15, 60 seconds)
- Ability to enter past/historical readings
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- Multi-user sharing for same pet
- Better graph navigation and date range filtering
- Acoustic signal when timer ends
- List view option for data display
- Awake vs sleeping breathing rate distinction
- Comments visible on chart with tap-to-view icons
- Remove splash screen on app launch
- Improved graph with hover-over time details
- Export as JPEG format
- Line-of-best-fit for multiple daily readings
- Ability to modify/delete individual readings
- Disable reminders without data loss
- Timezone settings adjustment
RespiDog
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cardalis
No in-app purchases
RespiDog
No in-app purchases





