Sync Calling vs Butterfly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sync Calling
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.
- 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
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Sync Calling 是一個錫安教會會友專用通訊軟件。 當中包括相片、影片分享功能。 簡易錄音及錄音附件功能。 附設sync-file 雲端檔案運作，可以將過往曾經分享的檔案儲存。 也是教會通告及公佈平台。 更可與zion forum app 互通。 * 此軟件需要帳戶登入，軟件亦只開放給本會教友使用。
Butterfly
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.
- Discussion forum
- Customizable matching filters
- Artistic expression platform
- Private messaging
- Profile browsing
- Blocking functionality
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Butterfly, the largest social networking service for the Hong Kong lesbian community. Butterfly provides free discussion forum and premium matching and messaging services. Join us for free and start meeting new friends and your soulmate. We welcome women aged over 18 to join. Butterfly was first launched in Hong Kong in 2013, and have since accumulated over 120,000 local lesbian members. There are 3 key functions : 1. Forum - feel free to join the forum on topics of your interests. Leabians share their daily life, hobbies, love affairs, and issues on LGBTQ+, gender and sexuality. 2. Matching - find your match with customizable filters, including gender labels, outfits, zodiac signs, diet preferences, etc. 3. Stories - post your artistic creations on Butterfly to express yourself in a purely lesbian environment. BUTTERFLY Free Services. If you choose not to purchase BUTTERFLY APP Premium, you can still use BUTTERFLY for free. By subscribing to Butterfly Premium Service, user can have access to features including: 1. Unlimited private messages 2. Advertisement-free interface 3. Members’ full profiles, stories, and comments. 4. Block functions 5. Matching service with advanced filter functions 6. Delete comments (but not able to delete topic)
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Sync Calling | Butterfly |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | 3.5 (6 ratings) |
| Positive reviews | 66.7% of reviews — better | 22.7% of reviews |
| Number of ratings | 2 | 6 — better |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 12.1 — better |
| Further details — not scored | ||
| Size | 31 MB | 42 MB |
| Age rating | 4+ | 17+ |
| Developer | ZionDaily.com | Red Soldier |
Customer experience
Sync Calling
Butterfly
In-app purchases
Sync Calling
No in-app purchases
Butterfly
- 1 Month Premium$12.491 Month
- 6 Months Premium$57.996 Months
- 12 Months Premium$75.991 Year
- 40積分$2.99
- 105積分$6.99
- 220積分$12.99
