# Flutter vs Heart Sit

The clearest difference is in-app purchases: Heart Sit at none against Flutter's 3. Flutter's advantage is iOS requirement (17.6 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Flutter sells 3 in-app purchases, starting at $14.99 per month. Heart Sit asks for nothing beyond the download.

## The numbers

| Metric | Flutter | Heart Sit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flutter-heartbeat-sync-app/id6758436973/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Subscription | — |
| Size | 21 MB | 7 MB |
| Requires iOS | **17.6** | 26.2 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [CYBERIAN TECHNOLOGIES LLC](https://appshunter.io/developer/1872937842) | [Andrii Gryshutkin](https://appshunter.io/developer/1884593015) |

## What reviewers say

### Flutter

[App page](https://appshunter.io/ios/app/flutter-heartbeat-sync-app/id6758436973)

Experience your heartbeat as a live haptic sensation on your wrist. Connect with loved ones by sharing real-time heartbeats, fostering a sense of presence and intimacy across any distance. Choose from various haptic styles for a personalized and calming experience.

**Highlights:** Live haptic heartbeat feedback on Apple Watch, Solo Sync for personal awareness, Partner Sync for sharing with others, Real-time BPM display, Multiple haptic pulse styles, Invite-based partner pairing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Partner Sync (Monthly) | $14.99 | per month |
| Partner Sync Quarterly | $39.99 | per 3 months |
| Partner Sync Annual | $119.99 | per year |


### Heart Sit

[App page](https://appshunter.io/ios/app/heart-sit/id6760467612)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flutter free?

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

### Is Heart Sit free?

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

### Do Flutter or Heart Sit have ads?

Neither Flutter nor Heart Sit shows ads.

---

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