Cardalis vs ZenPower
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
ZenPower
This app helps users manage negative emotions like stress, anxiety, and anger using a blend of Eastern medicine and modern psychological techniques. It offers quick, effective sessions and support tracks to enhance well-being.
- Minimize negative emotions
- Control cravings and urges
- Sessions under 5 minutes
- Hybrid Eastern/Western techniques
- MP3 support tracks
- Offline access
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Zenpower is a unique and simple to use App, it enables the user to either significantly minimise, or eradicate fully the effects of many negative and disabling emotions, such as stress, anxiety, trauma, anger guilt and many more. We also have a dedicated protocol to enable you to control cravings and addictive urges. The app is accessible 24/7 too. It uses a hybrid of Eastern medicine techniques combined with modern proven psychological and neurobiological methodologies. The app also offers access to a number of mp3 support tracks to enhance your experience. These can be used when you have more time to sit back and relax and make full use of the mp3 experience. We wanted to make it meet certain important criteria Fast - We live in a world where we are time poor, so we developed the app to address your issues in under 5 minutes as an average treatment time, or 2 minutes for the addictions and craving busting protocols. You just find a quiet space and you are good to go Simple – When people are stressed, the last thing they want to be given is something that will stress them more, so we designed the app to be as simple as we can make it, you simply follow along with your chosen avatar until you rapidly get the resulting relief you need Proven – All of our studies and replication studies have shown you get a consistent reduction of at least 70% in your stress levels in less than 5 minutes. There is no other intervention we are aware of that is able to offer these results. The continued use of the support mp3s can only enhance this user experience for you. Value – To have access to all of this feature packed app is less than 10p per day, and that access is unlimited and will include access to future developments and enhancements for free, there is no up sell or hidden pricing Once downloaded you can access the system with or without access to the Internet, so it is always available. The only question is are you willing to invest in yourself less than 10p per day to have control over your mental health and wellbeing? Zenpower is truly like having your own personal therapist in your pocket. 24/7 You may purchase an auto-renewing subscription through an In-App Purchase. • Annual Subscription: 1 year 35.99 GBP (39.99 USD or equal Tier) Auto-renewable subscription. • Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase • Privacy policy and terms of use: https://zenpower.co.uk/privacy-policy/ • Terms and Condition of use: https://zenpower.co.uk/terms-and-conditions/
Screenshots
Verdict
The clearest difference is rating: Cardalis at 2.3 against ZenPower's 1.0. Cardalis also leads on in-app purchases (none vs 1) and ratings volume (245 vs 1). On price, ads, 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
Both are free to download. ZenPower sells 1 in-app purchase, starting at $3.99 per year. Cardalis asks for nothing beyond the download.
Cardalis holds the better App Store score, 2.3 against 1.0. That said, the two scores are not equally well evidenced: Cardalis has 245 ratings behind it against 1, 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 0% of ZenPower's.
Cardalis ships an update every 2 months, ZenPower every 4 months. The most recent releases landed on September 27, 2026 and June 4, 2026 respectively.
| Parameter | Cardalis | ZenPower |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (245 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 21.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 245 — better | 1 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 23 MB | 277 MB |
| Age rating | 4+ | 4+ |
| Developer | Ceva Sante Animale S.A. | Zenpower Limited |
Customer experience
Cardalis
ZenPower
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
ZenPower
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cardalis
No in-app purchases
ZenPower
- Annual Subscription7 Days trial$3.991 Year








