# HeartBond vs Eye Flow

The clearest difference is in-app purchases: HeartBond at none against Eye Flow's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Eye Flow sells 1 one-off in-app purchase. HeartBond asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HeartBond | Eye Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/heartbond/id6449156557/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | Free | — |
| Size | 11 MB | 54 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Zhang](https://appshunter.io/developer/1687853569) | [Stanislav Pavlenko](https://appshunter.io/developer/1883795637) |

## What reviewers say

### HeartBond

[App page](https://appshunter.io/ios/app/heartbond/id6449156557)

Visualize your heart rate, HRV, and sleep stages with this free companion app. Seamlessly sync data between your iPhone and Mac, with intuitive gestures and customizable interfaces. Track your health journey across your Apple ecosystem.

**Highlights:** Heart Rate & HRV Insights, Sleep Stage Visualization, Weight Tracking, Smart Sync Control, Apple Ecosystem Integration, Customizable Interface, Dark Mode Support

**Features:** Vision Pro support

**In-app purchases:** none


### Eye Flow

[App page](https://appshunter.io/ios/app/eye-flow-eye-exercises/id6797331643)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eye Flow Pro | $9.99 | one-time |


## Frequently asked questions

### Is HeartBond free?

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

### Is Eye Flow free?

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

### Do HeartBond or Eye Flow have ads?

Neither HeartBond nor Eye Flow shows ads.

### Which is updated more often, HeartBond or Eye Flow?

HeartBond ships an update every 2 days, and Eye Flow every 2 days. Most recently, HeartBond was updated on October 30, 2026 and Eye Flow 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.*