# SentenceDeck vs Master 1000

The clearest difference is update cadence: Master 1000 at every 11 days against SentenceDeck's every 6 weeks. Master 1000 also leads on iOS requirement (15.1 vs 17.0). 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 Master 1000 sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

SentenceDeck ships an update every 6 weeks, Master 1000 every 11 days. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SentenceDeck | Master 1000 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Size | 36 MB | 37 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [奇濂 任](https://appshunter.io/developer/1843376248) | [Shaked Yizhak](https://appshunter.io/developer/1104797054) |

## 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 |


### Master 1000

[App page](https://appshunter.io/ios/app/master-1000-learn-languages/id6790394577)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $59.99 | per year |
| Premium Lifetime | $129.99 | one-time |


## Frequently asked questions

### Is SentenceDeck free?

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

### Is Master 1000 free?

Master 1000 is free to download, with in-app purchases available.

### Do SentenceDeck or Master 1000 have ads?

Neither SentenceDeck nor Master 1000 shows ads.

### Which is updated more often, SentenceDeck or Master 1000?

SentenceDeck ships an update every 6 weeks, and Master 1000 every 11 days. Most recently, SentenceDeck was updated on October 15, 2026 and Master 1000 on October 25, 2026.

---

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