# いつでも英語脳 vs Pendy（ペンディ）

The clearest difference is price: Pendy（ペンディ） at Free against いつでも英語脳's $2.99. Pendy（ペンディ） also leads on update cadence (every 2 days vs every 6 weeks). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Pendy（ペンディ） is free to download; いつでも英語脳 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

いつでも英語脳 ships an update every 6 weeks, Pendy（ペンディ） every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | いつでも英語脳 | Pendy（ペンディ） |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 8 MB | 73 MB |
| Requires iOS | **18.0** | 18.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yodai Kadokawa](https://appshunter.io/developer/6798598113) | [Ryusei Okamoto](https://appshunter.io/developer/1775109038) |

## What reviewers say

### いつでも英語脳

[App page](https://appshunter.io/ios/app/id6798598111)

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

**In-app purchases:** none


### Pendy（ペンディ）

[App page](https://appshunter.io/ios/app/pendy/id6808060200)

This AI-powered learning app transforms lecture recordings, PDFs, and videos into organized notes. It automatically generates flashcards and quizzes, and allows users to ask questions directly about their notes. Users can also connect with a university community to share and import notes.

**Highlights:** AI-generated notes from lectures, Automatic flashcard and quiz creation, AI chat for note-based questions, University community for note sharing, Continuous learning streak tracking, Background note generation

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

**In-app purchases:** none


## Frequently asked questions

### Is いつでも英語脳 free?

いつでも英語脳 costs $2.99, with no in-app purchases.

### Is Pendy（ペンディ） free?

Pendy（ペンディ） is free to download, with no in-app purchases.

### Do いつでも英語脳 or Pendy（ペンディ） have ads?

Neither いつでも英語脳 nor Pendy（ペンディ） shows ads.

### Which is updated more often, いつでも英語脳 or Pendy（ペンディ）?

いつでも英語脳 ships an update every 6 weeks, and Pendy（ペンディ） every 2 days. Most recently, いつでも英語脳 was updated on October 31, 2026 and Pendy（ペンディ） on October 31, 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.*