# SYNC vs 蓝语Y

The clearest difference is in-app purchases: 蓝语Y at none against SYNC's 4. 蓝语Y also leads on update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SYNC sells 4 in-app purchases, starting at $4.99 per month. 蓝语Y asks for nothing beyond the download.

SYNC ships an update every 5 weeks, 蓝语Y weekly. Both last shipped on November 10, 2026.

## The numbers

| Metric | SYNC | 蓝语Y |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 71 MB | 7 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 17+ |
| Developer | [Mustafa Salim Erek](https://appshunter.io/developer/1896175573) | [Jiaxing Lanyu Network Technology Co., Ltd.](https://appshunter.io/developer/1551106119) |

## What reviewers say

### SYNC

[App page](https://appshunter.io/ios/app/sync-daily-question-and-chat/id6799400522)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chat+ Monthly | $4.99 | per month |
| SYNC Premium Monthly | $4.99 | per month |
| Chat+ Yearly | $29.99 | per year |
| SYNC Premium Yearly | $29.99 | per year |


### 蓝语Y

[App page](https://appshunter.io/ios/app/y/id6810509047)

A clean and simple instant messaging app focused on providing a smooth and comfortable chat experience. It supports text, voice, images, and file transfers, with group chat capabilities for efficient communication. Prioritizing user privacy, it offers a secure and ad-free environment for all your social and professional interactions.

**Highlights:** Text, voice, image, and file transfer, Group chat functionality, Stable and efficient message delivery, Lightweight interface, Ad-free experience, Emphasis on user privacy

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

**In-app purchases:** none


## Frequently asked questions

### Is SYNC free?

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

### Is 蓝语Y free?

蓝语Y is free to download, with no in-app purchases.

### Do SYNC or 蓝语Y have ads?

Neither SYNC nor 蓝语Y shows ads.

### Which is updated more often, SYNC or 蓝语Y?

SYNC ships an update every 5 weeks, and 蓝语Y weekly. Most recently, SYNC was updated on November 10, 2026 and 蓝语Y on November 10, 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.*