# inWhatLanguage Interpretation vs ST Translator Pro

The clearest difference is update cadence: ST Translator Pro at fortnightly against inWhatLanguage Interpretation's every 42 months. On price, ads, in-app purchases and device support there is nothing between them.

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

inWhatLanguage Interpretation ships an update every 42 months, ST Translator Pro fortnightly. The most recent releases landed on October 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | inWhatLanguage Interpretation | ST Translator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/st-translator-pro/id1475218747/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 61 MB | 73 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Voyce, Inc.](https://appshunter.io/developer/953530082) | [Casa Innovations Group LLC](https://appshunter.io/developer/1447256690) |

## What reviewers say

### inWhatLanguage Interpretation

[App page](https://appshunter.io/ios/app/inwhatlanguage-interpretation/id1382897438)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is inWhatLanguage Interpretation free?

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

### Is ST Translator Pro free?

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

### Do inWhatLanguage Interpretation or ST Translator Pro have ads?

Neither inWhatLanguage Interpretation nor ST Translator Pro shows ads.

### Which is updated more often, inWhatLanguage Interpretation or ST Translator Pro?

inWhatLanguage Interpretation ships an update every 42 months, and ST Translator Pro fortnightly. Most recently, inWhatLanguage Interpretation was updated on October 5, 2026 and ST Translator Pro on September 19, 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.*