# SentenceDeck vs 읽어줘

The clearest difference is in-app purchases: 읽어줘 at none against SentenceDeck's 3. 읽어줘 also leads on update cadence (daily vs every 6 weeks) and iOS requirement (15.0 vs 17.0). SentenceDeck's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. SentenceDeck sells 3 one-off in-app purchases. 읽어줘 asks for nothing beyond the download.

SentenceDeck ships an update every 6 weeks, 읽어줘 daily. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | SentenceDeck | 읽어줘 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Daily** |
| Size | 36 MB | 23 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [奇濂 任](https://appshunter.io/developer/1843376248) | [HYUNWOO LEE](https://appshunter.io/developer/1592216709) |

## 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 |


### 읽어줘

[App page](https://appshunter.io/ios/app/id6813870874)

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

**In-app purchases:** none


## Frequently asked questions

### Is SentenceDeck free?

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

### Is 읽어줘 free?

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

### Do SentenceDeck or 읽어줘 have ads?

읽어줘 shows ads; SentenceDeck does not.

### Which is updated more often, SentenceDeck or 읽어줘?

SentenceDeck ships an update every 6 weeks, and 읽어줘 daily. Most recently, SentenceDeck was updated on October 28, 2026 and 읽어줘 on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*