# Stardust 英会話 vs Lockeigo

The clearest difference is in-app purchases: Lockeigo at none against Stardust 英会話's 1. Lockeigo also leads on update cadence (every 2 days vs weekly). Stardust 英会話's advantage is ads (none vs shown). On price, review sentiment, monetization model and device support there is nothing between them.

Both are free to download. Stardust 英会話 sells 1 one-off in-app purchase. Lockeigo asks for nothing beyond the download.

Stardust 英会話 ships an update weekly, Lockeigo every 2 days. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stardust 英会話 | Lockeigo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 49 MB | 22 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shuto Goto](https://appshunter.io/developer/1558406144) | [yohei ueda](https://appshunter.io/developer/1881263178) |

## What reviewers say

### Stardust 英会話

[App page](https://appshunter.io/ios/app/stardust/id6470121854)

Learn natural, everyday English phrases that are commonly used by native speakers but not typically taught in schools. Overcome the frustration of not understanding simple words due to idiomatic expressions and gain confidence in your conversational skills.

**Highlights:** Learn native English phrases, Master idiomatic expressions, Improve daily conversation, Gain speaking confidence, Understand natural speech

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全ての機能を使用可能 | $6.99 | one-time |


### Lockeigo

[App page](https://appshunter.io/ios/app/lockeigo/id6792405907)

Enhance your English vocabulary by learning new expressions directly from your iPhone's lock screen. Create custom flashcards, organize them into folders, and receive personalized review reminders. Unlock advanced features and customization options with a subscription.

**Highlights:** Create custom English flashcards, Organize vocabulary into folders, Display cards in Live Activities and widgets, Personalized review reminders, Customizable themes and fonts, Search words, meanings, and examples

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

**In-app purchases:** none


## Frequently asked questions

### Is Stardust 英会話 free?

Stardust 英会話 is free to download, with in-app purchases available.

### Is Lockeigo free?

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

### Do Stardust 英会話 or Lockeigo have ads?

Lockeigo shows ads; Stardust 英会話 does not.

### Which is updated more often, Stardust 英会話 or Lockeigo?

Stardust 英会話 ships an update weekly, and Lockeigo every 2 days. Most recently, Stardust 英会話 was updated on October 15, 2026 and Lockeigo on October 24, 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.*