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Updated July 2026 · real, multi-region App Store reviews
Head-to-head

iCardiac vs Welltory

iCardiac 4.8★ · Free + IAP 30
Winner Welltory
Welltory 4.7★ · Free + IAP 65

Welltory is the better choice for comprehensive health tracking and insights, despite its aggressive monetization, while iCardiac struggles with false advertising and basic functionality.

Full reviews: iCardiac · Welltory

Welltory offers detailed health insights, particularly for stress and recovery, but users are frustrated by constant upsells even after subscribing. iCardiac faces significant criticism for misleading claims about free access and its ability to measure blood sugar and blood pressure, with many users reporting inaccurate readings and difficulty canceling subscriptions.

Head to head

Features & Accuracy edge: WelltoryR1R5R11R14
iCardiac iCardiac is praised by some users for its heart rate monitoring and convenience, with some finding it accurate and helpful for tracking blood pressure and oxygen levels R5R11. However, a significant number of reviews criticize the app for misleading claims about measuring blood sugar and blood pressure directly from the phone, stating it's not possible or inaccurate R1R14R16R24. Some users also report the app freezing or giving unrealistic responses .
Welltory Welltory is highly valued for its insightful data on stress, recovery, and heart rate variability (HRV), helping users understand their body's response to daily activities and improve wellness . It can recognize conditions like Afib . However, some users question its accuracy, especially regarding stress levels during rest . There are also complaints about the app collecting too much information and presenting it in an overwhelming, unorganized way .
Price & Value tieR3R6R7R10
iCardiac iCardiac is heavily criticized for false advertising regarding its 'free' nature, with many users reporting unexpected charges of $9.99/week or $40/month after downloading R3R6R7R10. Some users feel it's a scam to charge for basic pulse checks or features that should be free . A few users appreciate the value at $6.99/month or if they perceive it as free .
Welltory Welltory users find the app expensive, with an annual premium plan costing around $100-$119 R72. Many are frustrated by constant in-app advertisements and notifications pushing for a lifetime subscription, even after they have already paid for an annual premium plan R61R66R69. Some feel the free version offers little value .
Ease of Use & Support tieR3R7R9R15
iCardiac iCardiac is described as easy to use by some for heart rate monitoring . However, many users report difficulty canceling subscriptions or free trials, with no clear way to contact technical support or request refunds R3R7R9R18. The app is also criticized for intrusive ads that disrupt real-time monitoring .
Welltory Welltory's interface can be overwhelming due to the sheer volume of data and lack of organization . Users frequently complain about the inability to cancel subscriptions within the app, having to resort to contacting support or even canceling credit cards R61. Support is often described as unhelpful or non-existent, with users dealing with AI assistants . Some users also note issues with connecting to other apps or devices .
Pick iCardiac if

you are looking for a basic heart rate monitor and are comfortable with the potential for unexpected charges, or if you find the convenience of a 'one-stop app' appealing for tracking some vital signs .

Pick Welltory if

you want in-depth insights into your stress levels, recovery, and heart rate variability, and are willing to navigate a busy interface and aggressive upsells for comprehensive health data .

Evidence note: iCardiac reviews are heavily skewed towards negative feedback regarding false advertising and pricing, making it difficult to find balanced perspectives on its core features. Welltory reviews also show a strong negative sentiment regarding monetization tactics, which overshadows some of its positive functional aspects.

Frequently asked

Is iCardiac truly free to use?
No, iCardiac is not truly free to use, despite its advertisements; many users report being charged $9.99 per week or $40 per month after downloading, with the free portion often limited to just entering personal information or basic heart rate monitoring R6R7R10R13.
Can iCardiac measure blood sugar and blood pressure?
No, iCardiac cannot reliably measure blood sugar or blood pressure using only a smartphone; many users report that the app's claims are misleading, and actual measurements are either inaccurate or require a paid subscription to record data from external devices R1R14R16R24.
Do Welltory's premium users still see ads?
Yes, Welltory's premium users frequently report seeing constant in-app advertisements and notifications pushing for a lifetime subscription, even after they have already paid for an annual premium plan R61R66R69R72.
Is it difficult to cancel Welltory or iCardiac subscriptions?
Users of both Welltory and iCardiac report significant difficulty canceling subscriptions; many iCardiac users cannot find a way to cancel within the app or contact support, while Welltory users often state they cannot turn off auto-renew and have to resort to contacting support, dealing with AI, or canceling their credit cards R3R7R9R18.

What reviewers actually said

Built only from these 120 real reviews (foreign ones translated). Superscripts jump to the quote here. Apple has no per-review links, so [ref] opens that app's reviews on the App Store.

  1. [R1] iCardiac 1/5 · US Misleading information: Not for blood sugar and blood pressure
  2. [R5] iCardiac 5/5 · US icardiac: Awesome Blood pressure and heart rate reader
  3. [R11] iCardiac 5/5 · US Ship yard worker: I love that I can check it all day and the feedback and great advice it tell me as I go on through my day .
  4. [R14] iCardiac 4/5 · US Blood sugar?: Can’t record blood sugar?
  5. [R3] iCardiac 3/5 · US heart rate blood pressure reading.: very disappointed. lost 39.00 and stuck for a year. stupid me bought for year by mistake. not convinced it actually reads true readings. save your money
  6. [R6] iCardiac 3/5 · US Glucose check: Please advise in your summary that the only free part of this app is the heart rate application. I was looking for a glucose check on my iPhone but I have to subscribe to a plan. I don’t need a plan I’ve already got a doctors plan just need to quick check glucose at times.
  7. [R7] iCardiac 1/5 · US Waste of time: I downloaded the app and it was not free as it claimed in the beginning. So I paid about $45 for nothing. It’s definitely inaccurate and every time I open it, the app doesn’t remember me.. By the way the blood pressure app has the same problem. Waste of money. Please tell me how I can request a refund.
  8. [R10] iCardiac 1/5 · US another one: another lie to get you to download, seen a ad says completely free, not completely free to download but completely free period!! why can’t people that produce these apps just be truthful? it’s not hard to do and is the only right way to be!! Deleting app don’t want to pay for something like this and probably don’t don’t work? there’s a reason hospitals use precision tools for checking
  9. [R9] iCardiac 3/5 · US Cancel free trial: I can’t find in settings how to cancel the free trial.. I don’t want to use the app.. there is no way to talk to technical support …
  10. [R15] iCardiac 3/5 · US New Customer: This survey jumped the gun. I just started the app 5 minutes before survey and I’m locked in to answering good or bad before proceeding. Maybe you should take a look at giving that question more time to answer properly.
  11. [R13] iCardiac 1/5 · US IS NOT FREE AT ALL: On the advertising it says “and it is free”. Yeah free to download and fill out all the questions but not FREE to use. You should be putting that information in your advertising so people don’t waste their time. Or clarify that to use it is 9.99 a WEEK!
  12. [R16] iCardiac 1/5 · US Incorrect blood sugar levels: Tested my blood sugar at 120, the app says 85. Useless
  13. [R24] iCardiac 1/5 · US THIS APP CANT DO WHAT IT CLAIMS. THEY ARE LYING TO YOU IN HOPES THAT YOU’LL LIKE THEIR APP AND USE: There have been a couple apps like this that mislead you into thinking they can read blood glucose. At best they can read from other devices or store the info you put into their app. I will never buy an app from developers who mislead me like this because they have no integrity and will do it aga
  14. [R61] Welltory 1/5 · US Not able to cancel: The data provided by the app is very interesting, but can be overwhelming. Giving low stars because I’m not able to turn off auto renew for my yearly subscription. I sent a message via their contact form and have not had a response, I will have to cancel my credit card. They also really push buying lifetime access. I signed up for the annual subscription because it claimed I wo
  15. [R66] Welltory 3/5 · US Monetization tactics overwhelming and disruptive: I have a premium plan and am CONSTANTLY disrupted with nudges and prompts to upgrade, review the app, and engage with the app (“have you checked your nervous system in the last 15 minutes?”) The PMs should focus more on how to make this data useful for me and surfacing it in helpful ways.
  16. [R69] Welltory 3/5 · US Voracious Ads - Even with Premium: I like so many things about this app, but even with a monthly or yearly Premium subscription it is still constantly pushing me ads to buy Premium. Every, single, time I open the app the first screen is why a lifetime membership is best or here’s a promo for 50% off. Even after closing that, a banner to upgrade always lives at the bottom of the app. I have premium
  17. [R72] Welltory 3/5 · US Expensive: This is an expense app for premium and it still has a TON of ads trying to get you to upgrade. Super annoying. Hard to follow the information because there is so much data to try to navigate.
  18. [R18] iCardiac 1/5 · US Please cancel this app: I don’t want this any longer remove it

Synthesized from 120 recent App Store reviews · updated July 2026 · View on the App Store