# Flutter vs Rest Pulse

The clearest difference is in-app purchases: Rest Pulse at none against Flutter's 3. Rest Pulse also leads on update cadence (weekly vs every 3 weeks). 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. Rest Pulse asks for nothing beyond the download.

Flutter ships an update every 3 weeks, Rest Pulse weekly. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Flutter | Rest Pulse |
| --- | --- | --- |
| 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 | **Weekly** |
| Monetization | Subscription | — |
| Size | 21 MB | 5 MB |
| Requires iOS | **17.6** | 26.2 |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [CYBERIAN TECHNOLOGIES LLC](https://appshunter.io/developer/1872937842) | [轩 林](https://appshunter.io/developer/1875449931) |

## 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 |


### Rest Pulse

[App page](https://appshunter.io/ios/app/rest-pulse/id6758881734)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flutter free?

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

### Is Rest Pulse free?

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

### Do Flutter or Rest Pulse have ads?

Neither Flutter nor Rest Pulse shows ads.

### Which is updated more often, Flutter or Rest Pulse?

Flutter ships an update every 3 weeks, and Rest Pulse weekly. Most recently, Flutter was updated on October 9, 2026 and Rest Pulse on October 4, 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.*