Comparison

MX3 Diagnostics vs Karecirc

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

Head to head
About

MX3 Diagnostics

Measure and track hydration and sweat sodium levels quickly and conveniently. This system allows athletes, coaches, and managers to manage hydration data for individuals or teams anytime, anywhere. Personalize assessments and manage athlete accounts.

Highlights
  • Perform hydration measurements
  • Perform sweat sodium measurements
  • View and edit historical data
  • Personalize hydration assessment
  • Create team/athlete accounts
  • Update device firmware
Features
Read full description

Say goodbye to time-consuming and inconvenient testing with the MX3 Hydration Testing System. With the MX3 Hydration Testing System athletes, coaches, and team managers can finally measure, track, and manage hydration - anytime, anywhere. With the MX3 Diagnostics app you can: - Perform Hydration Measurements - Perform Sweat Sodium Measurements - View and edit historical measurement data - Personalize hydration assessment with baseline measurements - Create accounts for your team, organization or athletes - Update MX3 LAB firmware

About

Karecirc

Features
Read full description

Karecirc helps remote caregivers track the well-being of their loved ones. Do you know if your loved one has been getting regular walks, which is essential to maintain their mental and physical health? Do you know if they are getting enough sleep? Are they in severe discomfort and unable to venture out of the house for an entire day? Do you know what was their last blood pressure reading? Are they maintaining a healthy heart rate that is appropriate for their age and physical condition? If you answered yes to any of these questions, Karecirc may be for you. It connects to your existing wearable device- we support both Apple Watches and Fitbits. If you have one of these devices, you can start using Karecirc immediately. If you don't, please select and purchase your device - you can go to our website https://karecirc.com or visit the manufacturer's website for the latest information about models available and their features. Please keep in mind that both Fitbits and Apple Watches come in many models, with different feature sets. We also support two of the most advanced blood pressure device models - Omron and Withings. If your loved one has one of these devices, you can have our app configured to upload blood pressure readings automatically. If you don't you can still have your loved one enter the blood pressure readings manually. Finally, we have a unique way to create a circle of family members within which health and wellness metrics are shared. A circle has defined roles: an admin who manages the circle composition and the subscription; 1-2 subjects who are seniors and whose health and wellness data is collected by Karecirc to share within the circle; and one or more members who are family or friends interested in keeping tabs on the health of the subjects. All the circle members are added to the Care Circle at the invitation of the admin. Our app does come with a small subscription fee, but given that we are new in the market, we are providing a generous trial for you to determine if it is a good fit for your family. We offer both a basic and an enhanced plan. There is only one subscription fee for the entire circle, regardless of how many members or subjects are in the circle. At the time of our initial launch, we only allow admin members and subjects to be either in the United States or in India. Members who are not admins or subjects may be supported in additional countries. Our app interface will identify supported countries for non-admin and non-subject members as new releases are rolled out. Please refer to the pdf user manual below for a description of the key features of Karecirc and how to use them. The user manual describes how the location data is used for enabling the Geofencing feature. EULA:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MX3 Diagnostics4 screens
Karecirc4 screens

Verdict

The call

The clearest difference is in-app purchases: MX3 Diagnostics at none against Karecirc's 2. MX3 Diagnostics also leads on update cadence (every 3 weeks vs every 2 months). Karecirc's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support 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

Both are free to download. Karecirc sells 2 in-app purchases, starting at $5.00 per month. MX3 Diagnostics asks for nothing beyond the download.

UpkeepUpdate frequency

MX3 Diagnostics ships an update every 3 weeks, Karecirc every 2 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 6 level
MX3 Diagnostics versus Karecirc: the parameters behind the verdict, then further details
ParameterMX3 DiagnosticsKarecirc
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size115 MB89 MB
Age rating4+17+
DeveloperMX3 DIAGNOSTICSKarecirc LLC

In-app purchases

None

MX3 Diagnostics

No in-app purchases

2 purchases

Karecirc

Subscriptions2
  • Monthly Base Subscription$5.001 Month
  • Monthly Premium Subscription$10.001 Month

Questions

Is MX3 Diagnostics free?
MX3 Diagnostics is free to download, with no in-app purchases.
Is Karecirc free?
Karecirc is free to download, with in-app purchases available.
Do MX3 Diagnostics or Karecirc have ads?
Neither MX3 Diagnostics nor Karecirc shows ads.
Which is updated more often, MX3 Diagnostics or Karecirc?
MX3 Diagnostics ships an update every 3 weeks, and Karecirc every 2 months. Most recently, MX3 Diagnostics was updated on November 3, 2026 and Karecirc on November 7, 2026.

Other comparisons