# SentenceDeck vs シャドニャン~English~

The clearest difference is update cadence: シャドニャン~English~ at daily against SentenceDeck's every 6 weeks. SentenceDeck's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SentenceDeck sells 3 one-off in-app purchases and シャドニャン~English~ sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SentenceDeck ships an update every 6 weeks, シャドニャン~English~ daily. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SentenceDeck | シャドニャン~English~ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Size | 36 MB | 59 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [奇濂 任](https://appshunter.io/developer/1843376248) | [IROTE, KK](https://appshunter.io/developer/1880565027) |

## What reviewers say

### SentenceDeck

[App page](https://appshunter.io/ios/app/sentencedeck-shadowing/id6759489049)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Credits 100 | $0.99 | one-time |
| Credits 500 | $3.99 | one-time |
| Credits 1200 | $7.99 | one-time |


### シャドニャン~English~

[App page](https://appshunter.io/ios/app/english/id6759767934)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 中級コース | $1.99 | one-time |
| 初級プラン | $1.99 | one-time |
| 上級プラン | $1.99 | one-time |
| 全コース解放 | $5.99 | one-time |


## Frequently asked questions

### Is SentenceDeck free?

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

### Is シャドニャン~English~ free?

シャドニャン~English~ is free to download, with in-app purchases available.

### Do SentenceDeck or シャドニャン~English~ have ads?

Neither SentenceDeck nor シャドニャン~English~ shows ads.

### Which is updated more often, SentenceDeck or シャドニャン~English~?

SentenceDeck ships an update every 6 weeks, and シャドニャン~English~ daily. Most recently, SentenceDeck was updated on October 31, 2026 and シャドニャン~English~ on November 5, 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.*