# Y's英単語 vs Lockeigo

The clearest difference is ads: Y's英単語 at none against Lockeigo's shown. Lockeigo's advantage is update cadence (every 2 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Y's英単語 ships an update every 2 weeks, Lockeigo every 2 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Y's英単語 | Lockeigo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 22 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [kiyotaka takanishi](https://appshunter.io/developer/6777109286) | [yohei ueda](https://appshunter.io/developer/1881263178) |

## What reviewers say

### Y's英単語

[App page](https://appshunter.io/ios/app/ys/id6784839313)

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

**In-app purchases:** none


### 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 Y's英単語 free?

Y's英単語 is free to download, with no in-app purchases.

### Is Lockeigo free?

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

### Do Y's英単語 or Lockeigo have ads?

Lockeigo shows ads; Y's英単語 does not.

### Which is updated more often, Y's英単語 or Lockeigo?

Y's英単語 ships an update every 2 weeks, and Lockeigo every 2 days. Most recently, Y's英単語 was updated on October 12, 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.*