Comparison

SaltStack vs Cardiogram | Track HR, POTS

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

Head to head
About

SaltStack

Features
Read full description

Keep your POTS day in one clear timeline. SaltStack brings symptoms, hydration, medications, possible triggers, interventions, standing-session observations, and electrolytes together. Without diagnosing or telling you what caused what. Check in quickly from iPhone or Apple Watch, add optional Apple Health context, review cautious patterns in your own records, and create a clinician-friendly report for appointments. POTS DAILY • Record symptoms and flares with optional severity, posture, and notes • Log fluids, medications, interventions, possible triggers, recovery moments, and freeform notes • See health events and electrolyte intake together in one daily timeline • Choose favorite events for faster check-ins • Use Calm Mode for a quieter daily experience PERSONAL STANDING-SESSION RECORDS • Record resting and standing observations • Add optional heart rate, blood pressure, and symptom notes • Keep a personal record without pass/fail scores or diagnostic conclusions • Stop immediately if standing feels unsafe ELECTROLYTES AT A GLANCE • Track sodium, potassium, and magnesium against daily targets • Quick-log common electrolyte products and foods • Adjust serving sizes or add custom entries • Scan supported product barcodes • Choose POTS, keto, endurance, fasting, general, or custom targets PATTERNS AND REPORTS • Review cautious summaries based only on what you recorded • See sample sizes and data coverage instead of black-box conclusions • Create a clinician-friendly PDF with symptoms, events, standing sessions, and missing-data notes • Export records for your own files or care-team conversations APPLE HEALTH AND APPLE WATCH • Add authorized heart-rate and wellness context from Apple Health • Save supported nutrition data to Apple Health • Check in or quick-log from Apple Watch • Control optional health permissions at any time BUILT FOR REAL DAYS SaltStack is designed to make useful records possible even when energy and focus are limited. Save the important moment quickly and add more context only when you want to. Free and Pro options are available. Pricing and feature access are shown before purchase. SaltStack is not a medical device and does not diagnose POTS, identify causes, recommend treatment, or replace medical care. Always follow guidance from a qualified healthcare professional. Privacy policy: https://saltstackapp.com/privacy Terms of Service: https://saltstackapp.com/terms Support: https://saltstackapp.com/support

About

Cardiogram | Track HR, POTS

Monitor your heart rate, log POTS episodes, and track symptoms like dizziness and fatigue. Identify triggers and gain insights into your health trends. Generate shareable reports for your healthcare provider.

Highlights
  • Heart rate tracking and history
  • POTS episode logging
  • Symptom tracking
  • Trigger tracking
  • Heart rate trends and insights
  • Printable and shareable reports
Features
Read full description

Cardiogram is a heart rate and POTS tracking app designed to help users record heart rate data, symptoms, episodes, and triggers. Features: * Heart rate tracking and history * POTS (Postural Orthostatic Tachycardia Syndrome) episode logging * Symptom tracking, including dizziness, palpitations, fatigue, lightheadedness, and brain fog * Trigger tracking, including standing, exercise, heat, stress, dehydration, and sleep * Heart rate trends and insights * Printable and shareable reports * Long-term symptom and episode history The app can be used to track symptoms associated with POTS, dysautonomia, tachycardia, orthostatic intolerance, and other conditions that affect heart rate and daily functioning. Reports include heart rate trends, symptom logs, triggers, and episode history, which can be reviewed over time or shared with healthcare providers. ------------------ Terms of Use: https://www.qaly.co/terms-of-service-app ------------------ Cardiogram does not practice medicine or provide medical services. The app is provided for general informational, educational, and personal health tracking purposes only. Information available through the app is not intended to diagnose, treat, cure, or prevent any disease and should not be relied upon as a substitute for professional medical advice, diagnosis, or treatment. If you think you may be experiencing a medical emergency, contact your doctor or local emergency services immediately. Do not rely on the app for urgent or emergency medical needs. Cardiogram is not designed or intended to facilitate medical emergencies or provide emergency medical assistance.

Screenshots

SaltStack4 screens
Cardiogram | Track HR, POTS4 screens

Verdict

The call

The clearest difference is update cadence: Cardiogram | Track HR, POTS at every 9 days against SaltStack's every 3 weeks. On price, ads, in-app purchases 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. SaltStack sells 3 in-app purchases, starting at $6.99 per month and Cardiogram | Track HR, POTS sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SaltStack ships an update every 3 weeks, Cardiogram | Track HR, POTS every 9 days. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 9 level
SaltStack versus Cardiogram | Track HR, POTS: the parameters behind the verdict, then further details
ParameterSaltStackCardiogram | Track HR, POTS
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, Apple WatchiPhone, Apple Watch
Requires iOS18.617.0 — better
Further details — not scored
Size16 MB6 MB
Age rating4+12+
DeveloperLaBounty Labs, LLCQaly, Inc.

In-app purchases

3 purchases

SaltStack

Subscriptions2
  • SaltStack Pro Monthly$6.991 Month
  • SaltStack Pro Yearly7 Days trial$39.991 Year
One-time1
  • SaltStack Pro Lifetime$99.99
2 purchases

Cardiogram | Track HR, POTS

Subscriptions2
  • Monthly Plan (Subscription)3 Days trial$7.991 Month
  • Annual Plan (Subscription)3 Days trial$39.991 Year

Questions

Is SaltStack free?
SaltStack is free to download, with in-app purchases available.
Is Cardiogram | Track HR, POTS free?
Cardiogram | Track HR, POTS is free to download, with in-app purchases available.
Do SaltStack or Cardiogram | Track HR, POTS have ads?
Neither SaltStack nor Cardiogram | Track HR, POTS shows ads.
Which is updated more often, SaltStack or Cardiogram | Track HR, POTS?
SaltStack ships an update every 3 weeks, and Cardiogram | Track HR, POTS every 9 days. Most recently, SaltStack was updated on October 10, 2026 and Cardiogram | Track HR, POTS on October 28, 2026.

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