# OneChat vs 赛先知

The clearest difference is in-app purchases: OneChat at none against 赛先知's 3. OneChat also leads on iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. 赛先知 sells 3 one-off in-app purchases. OneChat asks for nothing beyond the download.

## The numbers

| Metric | OneChat | 赛先知 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/onechat/id6449586484/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 194 MB | 6 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [OPC](https://appshunter.io/developer/1689725241) | [Beijing Fuguang Shiyu Technology Co., Ltd](https://appshunter.io/developer/1830945558) |

## What reviewers say

### OneChat

[App page](https://appshunter.io/ios/app/onechat/id6449586484)

This free messaging app allows for quick text and media sharing, along with high-quality voice and video calls. It prioritizes stable, reliable communication with a focus on user privacy through end-to-end encryption.

**Highlights:** Text and media sharing, Voice and video calls, Stable and reliable communication, Intuitive interface, End-to-end encryption, Data synchronization

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

**In-app purchases:** none


### 赛先知

[App page](https://appshunter.io/ios/app/id6786167684)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 288金币 | $39.99 | one-time |
| 588金币 | $79.99 | one-time |
| 888金币 | $99.99 | one-time |


## Frequently asked questions

### Is OneChat free?

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

### Is 赛先知 free?

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

### Do OneChat or 赛先知 have ads?

Neither OneChat nor 赛先知 shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*