# ST Translator Pro vs Xiaoyi Smart

The clearest difference is rating: ST Translator Pro at 3.7 against Xiaoyi Smart's 1.0. Xiaoyi Smart's advantage is update cadence (every 5 days vs fortnightly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ST Translator Pro holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 3 and 6 respectively.

ST Translator Pro ships an update fortnightly, Xiaoyi Smart every 5 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | ST Translator Pro | Xiaoyi Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/st-translator-pro/id1475218747/reviews)** | [1.0 (6 ratings)](https://appshunter.io/ios/app/xiaoyi-smart/id1542316470/reviews) |
| Number of ratings | 3 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free | Free |
| Size | 73 MB | 154 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Casa Innovations Group LLC](https://appshunter.io/developer/1447256690) | [Shenzhen Chuangyi Technology Co., Ltd.](https://appshunter.io/developer/1510735213) |

## What reviewers say

### ST Translator Pro

[App page](https://appshunter.io/ios/app/st-translator-pro/id1475218747)

This application facilitates real-time voice translation for over 30 languages, designed to work seamlessly with specialized translation earphones. It offers various communication modes for one-on-one conversations, group interactions, and language learning.

**Highlights:** Real-time 2-way voice translation, Supports over 30 languages, Face-to-face communication mode, Group communication mode, Language tutor mode, Verbal and visual translations

**Features:** macOS Compatibility

**In-app purchases:** none


### Xiaoyi Smart

[App page](https://appshunter.io/ios/app/xiaoyi-smart/id1542316470)

Transform any Bluetooth headset into a real-time voice translator. Ideal for travel, business, and international communication, it breaks down language barriers with millisecond response times. Some languages offer offline functionality for use without an internet connection.

**Highlights:** Bluetooth headset to translator conversion, Real-time voice translation, Supports any brand/model Bluetooth headset, Offline mode for select languages, Millisecond response time

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

**In-app purchases:** none


## Frequently asked questions

### Is ST Translator Pro free?

ST Translator Pro is free to download, with no in-app purchases.

### Is Xiaoyi Smart free?

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

### Which has better reviews, ST Translator Pro or Xiaoyi Smart?

ST Translator Pro is rated higher. ST Translator Pro averages 3.7 out of 5 from 3 ratings, while Xiaoyi Smart averages 1.0 from 6 ratings.

### Do ST Translator Pro or Xiaoyi Smart have ads?

Neither ST Translator Pro nor Xiaoyi Smart shows ads.

### Which is updated more often, ST Translator Pro or Xiaoyi Smart?

ST Translator Pro ships an update fortnightly, and Xiaoyi Smart every 5 days. Most recently, ST Translator Pro was updated on November 3, 2026 and Xiaoyi Smart on November 3, 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.*