# Sync Calling vs Butterfly

The clearest difference is review sentiment: Sync Calling at 67% against Butterfly's 23%. Sync Calling also leads on rating (4.0 vs 3.5) and in-app purchases (none vs 6). Butterfly's advantage is ratings volume (6 vs 2) and iOS requirement (12.1 vs 15.6). On price and device support there is nothing between them.

Both are free to download. Butterfly sells 6 in-app purchases, starting at $12.49 per month. Sync Calling asks for nothing beyond the download.

Sync Calling holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 67% of Sync Calling's written reviews are positive against 23% of Butterfly's.

Sync Calling ships an update every 3 weeks, Butterfly every 2 months. The most recent releases landed on September 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Sync Calling | Butterfly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/sync-calling/id478879522/reviews)** | [3.5 (6 ratings)](https://appshunter.io/ios/app/butterfly-lesbian-app/id621210464/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | **66.7% of reviews** | 22.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 42 MB |
| Requires iOS | 15.6 | **12.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ZionDaily.com](https://appshunter.io/developer/478879525) | [Red Soldier](https://appshunter.io/developer/379884434) |

## What reviewers say

### Sync Calling

[App page](https://appshunter.io/ios/app/sync-calling/id478879522)

A private communication tool for church members, featuring photo and video sharing, voice recording, and cloud file storage. It also serves as a platform for church announcements and integrates with a forum app.

**Highlights:** Photo and video sharing, Voice recording and attachments, Cloud file storage (sync-file), Church announcements and bulletins, Integration with Zion forum app, Account login required

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

**In-app purchases:** none


### Butterfly

[App page](https://appshunter.io/ios/app/butterfly-lesbian-app/id621210464)

A social networking platform for the lesbian community, offering a forum for discussion, a matching service with customizable filters, and a space for artistic expression. Users can connect with friends and potential partners in a safe, inclusive environment.

**Highlights:** Discussion forum, Customizable matching filters, Artistic expression platform, Private messaging, Profile browsing, Blocking functionality

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $12.49 | per month |
| 6 Months Premium | $57.99 | per 6 months |
| 12 Months Premium | $75.99 | per year |
| 40積分 | $2.99 | one-time |
| 105積分 | $6.99 | one-time |
| 220積分 | $12.99 | one-time |


## Frequently asked questions

### Is Sync Calling free?

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

### Is Butterfly free?

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

### Which has better reviews, Sync Calling or Butterfly?

Sync Calling is rated higher. Sync Calling averages 4.0 out of 5 from 2 ratings, while Butterfly averages 3.5 from 6 ratings.

### Do Sync Calling or Butterfly have ads?

Butterfly shows ads; Sync Calling does not.

### Which is updated more often, Sync Calling or Butterfly?

Sync Calling ships an update every 3 weeks, and Butterfly every 2 months. Most recently, Sync Calling was updated on September 25, 2026 and Butterfly on October 15, 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.*