# Uyen vs Registered Electrical Worker

The clearest difference is device support: Registered Electrical Worker at 3 against Uyen's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Uyen sells 6 in-app purchases, starting at $49.99 per month and Registered Electrical Worker sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Uyen | Registered Electrical Worker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Size | 65 MB | 75 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [ONLYHUMN LLC](https://appshunter.io/developer/1718144496) | [Pickmy AI](https://appshunter.io/developer/1869516043) |

## What reviewers say

### Uyen

[App page](https://appshunter.io/ios/app/uyen-ai-language-practice/id6812032553)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Uyen Student | $49.99 | per month |
| Uyen Professional | $99.99 | per month |
| 100 Credits | $0.99 | one-time |
| 420 Credits | $3.99 | one-time |
| 1,320 Credits | $11.99 | one-time |
| 3,300 Credits | $27.99 | one-time |


### Registered Electrical Worker

[App page](https://appshunter.io/ios/app/registered-electrical-worker/id6816395453)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 90-day Pro Offer | $19.99 | one-time |
| Pro 90 Days | $22.99 | one-time |


## Frequently asked questions

### Is Uyen free?

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

### Is Registered Electrical Worker free?

Registered Electrical Worker is free to download, with in-app purchases available.

### Do Uyen or Registered Electrical Worker have ads?

Neither Uyen nor Registered Electrical Worker shows ads.

### Which is updated more often, Uyen or Registered Electrical Worker?

Uyen ships an update every 2 days, and Registered Electrical Worker every 2 days. Most recently, Uyen was updated on October 24, 2026 and Registered Electrical Worker on October 29, 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.*