# Pitter Patter App vs Flutter

The clearest difference is review sentiment: Flutter at 100% against Pitter Patter App's 33%. Flutter also leads on rating (5.0 vs 3.4) and update cadence (every 3 weeks vs every 2 months). Pitter Patter App's advantage is in-app purchases (none vs 3) and ratings volume (20 vs 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. Pitter Patter App asks for nothing beyond the download.

Flutter holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Pitter Patter App has 20 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 33% of Pitter Patter App's written reviews are positive against 100% of Flutter's.

Pitter Patter App ships an update every 2 months, Flutter every 3 weeks. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Pitter Patter App | Flutter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (20 ratings)](https://appshunter.io/ios/app/pitter-patter-app/id1320923146/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flutter-heartbeat-sync-app/id6758436973/reviews)** |
| Number of ratings | **20** | 2 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 57 MB | 21 MB |
| Requires iOS | **11.3** | 17.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Urban Emu Design, LLC](https://appshunter.io/developer/1320923145) | [CYBERIAN TECHNOLOGIES LLC](https://appshunter.io/developer/1872937842) |

## What reviewers say

### Pitter Patter App

[App page](https://appshunter.io/ios/app/pitter-patter-app/id1320923146)

Connect with loved ones by sharing live heartbeats through Apple Watches. Experience real-time haptic feedback and pulse animations to feel closer, whether during workouts, family check-ins, or online interactions.

**Highlights:** Live heartlink sessions, One-to-one heartlinking, Stream heartbeat live, Haptic feedback, Pulse animations, Health app integration

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Pitter Patter App free?

Pitter Patter App is free to download, with no in-app purchases.

### Is Flutter free?

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

### Which has better reviews, Pitter Patter App or Flutter?

Flutter is rated higher. Pitter Patter App averages 3.4 out of 5 from 20 ratings, while Flutter averages 5.0 from 2 ratings.

### Do Pitter Patter App or Flutter have ads?

Neither Pitter Patter App nor Flutter shows ads.

### Which is updated more often, Pitter Patter App or Flutter?

Pitter Patter App ships an update every 2 months, and Flutter every 3 weeks. Most recently, Pitter Patter App was updated on October 24, 2026 and Flutter on October 9, 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.*