# 数独达人 vs 启德GRE核心词

The clearest difference is in-app purchases: 启德GRE核心词 at none against 数独达人's 6. 启德GRE核心词 also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 数独达人 sells 6 one-off in-app purchases. 启德GRE核心词 asks for nothing beyond the download.

数独达人 ships an update every 5 weeks, 启德GRE核心词 every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 数独达人 | 启德GRE核心词 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 34 MB | 13 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [杭州家之馨电子商务有限公司](https://appshunter.io/developer/1641228139) | [Jinan Lixia Qide Training School Co., Ltd](https://appshunter.io/developer/1625306663) |

## What reviewers say

### 数独达人

[App page](https://appshunter.io/ios/app/id1645471984)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $4.90 | one-time |
| 月度会员 | $4.99 | one-time |
| 6 Months | $7.90 | one-time |
| 半年会员 | $7.99 | one-time |
| 1 Year | $9.90 | one-time |
| 年度会员 | $9.99 | one-time |


### 启德GRE核心词

[App page](https://appshunter.io/ios/app/gre/id6476168779)

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

**In-app purchases:** none


## Frequently asked questions

### Is 数独达人 free?

数独达人 is free to download, with in-app purchases available.

### Is 启德GRE核心词 free?

启德GRE核心词 is free to download, with no in-app purchases.

### Do 数独达人 or 启德GRE核心词 have ads?

数独达人 shows ads; 启德GRE核心词 does not.

### Which is updated more often, 数独达人 or 启德GRE核心词?

数独达人 ships an update every 5 weeks, and 启德GRE核心词 every 2 weeks. Most recently, 数独达人 was updated on October 25, 2026 and 启德GRE核心词 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.*