# Study Split vs Shizuku 英単語

The clearest difference is ads: Study Split at none against Shizuku 英単語's shown. Shizuku 英単語's advantage is update cadence (every 3 days vs every 11 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Study Split sells 2 in-app purchases, starting at $0.49 per month and Shizuku 英単語 sells 7 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Study Split ships an update every 11 days, Shizuku 英単語 every 3 days. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Study Split | Shizuku 英単語 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 35 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Satoshi Yamada](https://appshunter.io/developer/1570646947) | [FUGA IKEDA](https://appshunter.io/developer/1884030874) |

## What reviewers say

### Study Split

[App page](https://appshunter.io/ios/app/study-split/id6756714397)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Up to 5 Subjects (Monthly) | $0.49 | per month |
| Unlimited Subjects (Monthly) | $0.99 | per month |


### Shizuku 英単語

[App page](https://appshunter.io/ios/app/shizuku/id6760349257)

Transform your smartphone time into English learning. This app allows for "while-you-learn" study with PiP and live activities, replicating a physical flashcard experience. It offers AI-generated custom vocabulary lists and progress tracking.

**Highlights:** Picture-in-Picture (PiP) learning, Live Activity lock screen integration, Flashcard-style learning interface, AI-generated custom vocabulary lists, Spelling, dictation, and multiple-choice tests, Progress visualization and streaks

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI使い放題（月額） | $0.99 | per month |
| AI使い放題（年額） | $5.99 | per year |
| 広告OFF | $0.49 | one-time |
| 復習パック | $0.99 | one-time |
| テーマパック | $1.99 | one-time |
| ステージ追加パック | $2.99 | one-time |
| AI使い放題（買い切り） | $9.99 | one-time |


## Frequently asked questions

### Is Study Split free?

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

### Is Shizuku 英単語 free?

Shizuku 英単語 is free to download, with in-app purchases available.

### Do Study Split or Shizuku 英単語 have ads?

Shizuku 英単語 shows ads; Study Split does not.

### Which is updated more often, Study Split or Shizuku 英単語?

Study Split ships an update every 11 days, and Shizuku 英単語 every 3 days. Most recently, Study Split was updated on October 8, 2026 and Shizuku 英単語 on October 14, 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.*