# EpiCentr vs CVS Tracker

The clearest difference is review sentiment: CVS Tracker at 100% against EpiCentr's 59%. CVS Tracker also leads on update cadence (weekly vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. EpiCentr sells 8 in-app purchases, starting at $15.99 per month and CVS Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

EpiCentr ships an update every 3 weeks, CVS Tracker weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | EpiCentr | CVS Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.7K ratings)](https://appshunter.io/ios/app/epicentr-seizure-detection/id1640509073/reviews)** | — |
| Number of ratings | **1.7K** | — |
| Positive reviews | 59.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 143 MB | 41 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AIHUNTERS, UAB](https://appshunter.io/developer/1625333939) | [Thomas Winter](https://appshunter.io/developer/1894362377) |

## What reviewers say

### EpiCentr

[App page](https://appshunter.io/ios/app/epicentr-seizure-detection/id1640509073)

This app enhances safety for individuals with seizure disorders and their caregivers. It automatically detects seizure-like triggers using wearable device sensors and alerts emergency contacts. A detailed journal and statistics reports provide valuable insights for users and healthcare providers.

**Highlights:** Automated seizure detection, Emergency contact alerts, Manual alert activation, GPS location sharing, Comprehensive seizure journal, Descriptive statistics reports, Caregiver and user modes

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version - Monthly Plan | $15.99 | per month |
| Full Version - Monthly Access | $17.99 | per month |
| Full Version - Quarterly Plan | $35.99 | per 3 months |
| Full Version Quarterly Access | $44.99 | per 3 months |
| Personal Offer - Yearly Plan Access | $59.99 | per year |
| Personal Offer - Yearly Access | $69.99 | per year |
| Full Version - Yearly Plan | $119.99 | per year |
| Full Version - Yearly Access | $139.99 | per year |

**What reviewers like**

- 🚀 Accurate seizure detection
- 👍 Helpful for tracking seizures
- 🔒 Provides peace of mind
- 📋 Useful logging and reporting features

**What reviewers complain about**

- 🐛 Inconsistent seizure detection
- 🔋 High battery drain on Apple Watch
- 💰 Expensive subscription
- 🔍 Difficult to use/navigate

**Reported bugs**

- Delayed or missed seizure alerts
- Frequent false alerts
- Connectivity issues between app and watch

**Requested features**

- Video recording option
- Ability for caregivers to add notes
- Automatic emergency contact notification
- Customizable alert settings


### CVS Tracker

[App page](https://appshunter.io/ios/app/cvs-tracker-sickness-diary/id6769531416)

This app helps parents and caregivers meticulously log Cyclical Vomiting Syndrome episodes. It offers quick logging, detailed symptom tracking, medication records, and pattern analysis. Premium features include PDF/CSV reports and family sharing with cloud backup.

**Highlights:** One-tap episode logging, Lock Screen and Dynamic Island integration, Timeline view per episode, Medication recording and reminders, Pattern analysis of episodes, Doctor report generation (PDF/CSV with Premium), Family sharing and cloud backup (Premium)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CVS Tracker Premium | $4.99 | one-time |


## Frequently asked questions

### Is EpiCentr free?

EpiCentr is free to download, with in-app purchases available.

### Is CVS Tracker free?

CVS Tracker is free to download, with in-app purchases available.

### Do EpiCentr or CVS Tracker have ads?

Neither EpiCentr nor CVS Tracker shows ads.

### Which is updated more often, EpiCentr or CVS Tracker?

EpiCentr ships an update every 3 weeks, and CVS Tracker weekly. Most recently, EpiCentr was updated on November 3, 2026 and CVS Tracker on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*