# Alfy's Method vs Flutter

The clearest difference is in-app purchases: Alfy's Method at none against Flutter's 3. Alfy's Method also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, 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. Alfy's Method asks for nothing beyond the download.

Alfy's Method ships an update every 2 weeks, Flutter every 3 weeks. The most recent releases landed on September 12, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Alfy's Method | Flutter |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Subscription |
| Size | 92 MB | 21 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [mostafa mahmoud](https://appshunter.io/developer/1559542791) | [CYBERIAN TECHNOLOGIES LLC](https://appshunter.io/developer/1872937842) |

## What reviewers say

### Alfy's Method

[App page](https://appshunter.io/ios/app/alfys-method/id6740774255)

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

**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 Alfy's Method free?

Alfy's Method is free to download, with no in-app purchases.

### Is Flutter free?

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

### Do Alfy's Method or Flutter have ads?

Neither Alfy's Method nor Flutter shows ads.

### Which is updated more often, Alfy's Method or Flutter?

Alfy's Method ships an update every 2 weeks, and Flutter every 3 weeks. Most recently, Alfy's Method was updated on September 12, 2026 and Flutter on September 22, 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.*