# 古文単語 SwipeStudy 一問一答で暗記 受験の単語帳 vs PIECE

The clearest difference is in-app purchases: PIECE at none against 古文単語 SwipeStudy 一問一答で暗記 受験の単語帳's 3. PIECE also leads on ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). 古文単語 SwipeStudy 一問一答で暗記 受験の単語帳's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price there is nothing between them.

Both are free to download. 古文単語 SwipeStudy 一問一答で暗記 受験の単語帳 sells 3 in-app purchases, starting at $1.99 per month. PIECE asks for nothing beyond the download.

古文単語 SwipeStudy 一問一答で暗記 受験の単語帳 ships an update every 3 weeks, PIECE every 3 days. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 古文単語 SwipeStudy 一問一答で暗記 受験の単語帳 | PIECE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 52 MB | 12 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SAITOBI, K.K.](https://appshunter.io/developer/1886105639) | [Shuntaro Shimada](https://appshunter.io/developer/1851679432) |

## What reviewers say

### 古文単語 SwipeStudy 一問一答で暗記 受験の単語帳

[App page](https://appshunter.io/ios/app/swipestudy/id6760759748)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $1.99 | per month |
| Plus | $5.99 | per 3 months |
| Plus | $22.99 | per year |


### PIECE

[App page](https://appshunter.io/ios/app/piece/id6796343521)

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

**In-app purchases:** none


## Frequently asked questions

### Is 古文単語 SwipeStudy 一問一答で暗記 受験の単語帳 free?

古文単語 SwipeStudy 一問一答で暗記 受験の単語帳 is free to download, with in-app purchases available.

### Is PIECE free?

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

### Do 古文単語 SwipeStudy 一問一答で暗記 受験の単語帳 or PIECE have ads?

古文単語 SwipeStudy 一問一答で暗記 受験の単語帳 shows ads; PIECE does not.

### Which is updated more often, 古文単語 SwipeStudy 一問一答で暗記 受験の単語帳 or PIECE?

古文単語 SwipeStudy 一問一答で暗記 受験の単語帳 ships an update every 3 weeks, and PIECE every 3 days. Most recently, 古文単語 SwipeStudy 一問一答で暗記 受験の単語帳 was updated on October 15, 2026 and PIECE 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.*