# Kardia vs Ocuelar

The clearest difference is ratings volume: Kardia at 239K against Ocuelar's 1. Kardia also leads on update cadence (monthly vs every 3 months) and chart position (#85 vs unranked). Ocuelar's advantage is iOS requirement (12.4 vs 15.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ocuelar holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Kardia has 239K ratings behind it against 1, so its average is the more settled of the two.

Kardia ships an update monthly, Ocuelar every 3 months. The most recent releases landed on November 10, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Kardia | Ocuelar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (239K ratings)](https://appshunter.io/ios/app/kardia/id579769143/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ocuelar/id1413054323/reviews)** |
| Number of ratings | **239K** | 1 |
| Positive reviews | 65.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Best chart rank | **#85** | — |
| Size | 457 MB | 37 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [AliveCor, Inc.](https://appshunter.io/developer/546535893) | [231 Sheep, LLC](https://appshunter.io/developer/1224701140) |

## What reviewers say

### Kardia

[App page](https://appshunter.io/ios/app/kardia/id579769143)

**Currently charting:** #85 Top Free · Medical (US App Store)

This app allows you to record medical-grade EKGs using compatible personal devices. It provides immediate analysis for common arrhythmias and enables sharing of heart data with your doctor for remote monitoring and health history tracking.

**Highlights:** Record medical-grade EKGs, Immediate EKG analysis, Share heart data with doctors, Track heart health history, Integrates with Apple Health, Remote heart condition monitoring

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Useful for monitoring heart health
- 🚀 Accurate and reliable device
- 📊 Helpful for providing evidence to doctors
- 🤖 Convenient and easy to use
- 💡 Allows remote monitoring of heart conditions

**What reviewers complain about**

- 🔒 Requires subscription to unlock advanced features
- 🔋 Battery life issues
- 🔌 Connectivity problems
- 🤔 Inconsistent or inaccurate readings
- 💰 Expensive device and subscription

**Reported bugs**

- App crashes or freezes
- Compatibility issues with newer devices
- Difficulty sending or saving ECG recordings

**Requested features**

- Integrate with Apple Health
- Add temperature tracking
- Improve data sharing and reporting
- Enhance user interface and experience


### Ocuelar

[App page](https://appshunter.io/ios/app/ocuelar/id1413054323)

This app helps glaucoma patients improve medication adherence through a connected device and engaging features. It includes reminders, educational games, and a reward system to encourage consistent use of prescribed treatments.

**Highlights:** SmartCap Bluetooth device integration, Medication adherence tracking, Gamified learning modules, Personalized reminders, Reward system for compliance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kardia free?

Kardia is free to download, with no in-app purchases.

### Is Ocuelar free?

Ocuelar is free to download, with no in-app purchases.

### Which has better reviews, Kardia or Ocuelar?

Ocuelar is rated higher. Kardia averages 4.8 out of 5 from 239K ratings, while Ocuelar averages 5.0 from 1 ratings.

### Do Kardia or Ocuelar have ads?

Neither Kardia nor Ocuelar shows ads.

### Which is updated more often, Kardia or Ocuelar?

Kardia ships an update monthly, and Ocuelar every 3 months. Most recently, Kardia was updated on November 10, 2026 and Ocuelar on November 2, 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.*