# Sync Calling vs Slowchat

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.

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.

## The numbers

| Metric | Sync Calling | Slowchat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/sync-calling/id478879522/reviews)** | [2.8 (4 ratings)](https://appshunter.io/ios/app/slowchat-learning-language/id1478643483/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 86 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [ZionDaily.com](https://appshunter.io/developer/478879525) | [Hunan Matchman Network Technology Co., Ltd.](https://appshunter.io/developer/1272490677) |

## 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


### Slowchat

[App page](https://appshunter.io/ios/app/slowchat-learning-language/id1478643483)

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.

**Highlights:** Estimate letter arrival time, Find friends by region and interests, Unlimited free stamps, Postcard exchange, Pen pal community feed

**Features:** macOS Compatibility

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slowchat代币 | $0.99 | one-time |
| Slowchat代币 | $1.99 | one-time |
| 一个月Plus | $1.99 | one-time |
| Slowchat代币 | $2.99 | one-time |
| One month Plus | $2.99 | one-time |
| Slowchat代币 | $3.99 | one-time |
| 终身免广告 | $3.99 | one-time |
| 一个季度Plus | $4.99 | one-time |
| 一季度Plus | $4.99 | one-time |
| Slowchat代币 | $8.99 | one-time |
| Slowchat代币 | $12.99 | one-time |
| 一年Plus | $12.99 | one-time |
| Slowchat 1024 Coins | $19.99 | one-time |
| 一个年Plus | $19.99 | one-time |
| Slowchat 1335 Coins | $25.99 | one-time |
| Slowchat 1585 Coins | $29.99 | one-time |
| 三年Plus | $29.99 | one-time |
| 三年Plus | $39.99 | one-time |


## Frequently asked questions

### Is Sync Calling free?

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

### Is Slowchat free?

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

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

Sync Calling is rated higher. Sync Calling averages 4.0 out of 5 from 2 ratings, while Slowchat averages 2.8 from 4 ratings.

### Do Sync Calling or Slowchat have ads?

Neither Sync Calling nor Slowchat shows ads.

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

Sync Calling ships an update every 3 weeks, and Slowchat every 10 days. Most recently, Sync Calling was updated on September 25, 2026 and Slowchat on July 5, 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.*