Sync Calling vs Slowchat
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。
Slowchat
Connect with people worldwide through slow, thoughtful communication. Discover friends based on shared interests and exchange postcards. The platform fosters a community for sharing life experiences without advertisements.
- Estimate letter arrival time
- Find friends by region and interests
- Unlimited free stamps
- Postcard exchange
- Pen pal community feed
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Features 1: Determine the arrival time of the letter according to the actual distance between pen pals 2: Find friends in different regions based on common interests 3: Completely free stamps, send letters unlimited times, and you can buy specific stamps at super low prices 4: Send postcards to each other, exchange postcards randomly with pen pals through the platform, or team up to participate in the exchange of postcards 5: Pen pal circle, sharing a different life, is a pen pal circle, not an advertising circle Contact us Email: slowchatapp@gamil.com
Screenshots
Verdict
The clearest difference is review sentiment: Sync Calling at 67% against Slowchat's 0%. Sync Calling also leads on rating (4.0 vs 2.8) and in-app purchases (none vs 19). Slowchat's advantage is update cadence (every 10 days vs every 3 weeks) and iOS requirement (13.0 vs 15.6). On price, ratings volume, ads 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. Slowchat sells 18 one-off in-app purchases. Sync Calling asks for nothing beyond the download.
Sync Calling holds the better App Store score, 4.0 against 2.8. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 67% of Sync Calling's written reviews are positive against 0% of Slowchat's.
Sync Calling ships an update every 3 weeks, Slowchat every 10 days. The most recent releases landed on September 25, 2026 and July 5, 2026 respectively.
| Parameter | Sync Calling | Slowchat |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | 2.8 (4 ratings) |
| Positive reviews | 66.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| 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 | 13.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 86 MB |
| Age rating | 4+ | 9+ |
| Developer | ZionDaily.com | Hunan Matchman Network Technology Co., Ltd. |
Customer experience
Sync Calling
Slowchat
In-app purchases
Sync Calling
No in-app purchases
Slowchat
- Slowchat代币2 variants$0.99
- Slowchat代币$1.99
- 一个月Plus$1.99
Show 15 moreShow fewer
- Slowchat代币$2.99
- One month Plus$2.99
- Slowchat代币$3.99
- 终身免广告$3.99
- 一个季度Plus$4.99
- 一季度Plus$4.99
- Slowchat代币$8.99
- Slowchat代币$12.99
- 一年Plus$12.99
- Slowchat 1024 Coins$19.99
- 一个年Plus$19.99
- Slowchat 1335 Coins$25.99
- Slowchat 1585 Coins$29.99
- 三年Plus$29.99
- 三年Plus$39.99
