# Piece Word vs DeepEng HD

The clearest difference is update cadence: DeepEng HD at weekly against Piece Word's every 3 weeks. Piece Word's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Piece Word sells 7 in-app purchases, starting at $0.99 per 7 days and DeepEng HD sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Piece Word ships an update every 3 weeks, DeepEng HD weekly. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Piece Word | DeepEng HD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 4 MB | 170 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [剑桥 杨](https://appshunter.io/developer/1779132006) | [成都麦田外科技有限公司](https://appshunter.io/developer/1800915589) |

## What reviewers say

### Piece Word

[App page](https://appshunter.io/ios/app/piece-word-languages-learning/id6756593922)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周卡订阅 | $0.99 | per 7 days |
| 月卡订阅 | $3.99 | per month |
| Weekly Member | $9.90 | per 7 days |
| Monthly Membership | $14.90 | per month |
| 年会员 | $14.99 | per year |
| Annual Membership | $99.00 | per year |
| 永久会员 | $39.99 | one-time |


### DeepEng HD

[App page](https://appshunter.io/ios/app/deepeng-hd/id6756874005)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 365天年卡 | $449.99 | one-time |


## Frequently asked questions

### Is Piece Word free?

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

### Is DeepEng HD free?

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

### Do Piece Word or DeepEng HD have ads?

Neither Piece Word nor DeepEng HD shows ads.

### Which is updated more often, Piece Word or DeepEng HD?

Piece Word ships an update every 3 weeks, and DeepEng HD weekly. Most recently, Piece Word was updated on October 16, 2026 and DeepEng HD on October 9, 2026.

---

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