# SentenWord vs Etch

The clearest difference is in-app purchases: Etch at none against SentenWord's 4. SentenWord's advantage is update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SentenWord sells 4 in-app purchases, starting at $2.99 per month. Etch asks for nothing beyond the download.

SentenWord ships an update every 3 days, Etch weekly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SentenWord | Etch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/sentenword/id6749879303/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Freemium | — |
| Size | 32 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [成峰 王](https://appshunter.io/developer/1699317429) | [宏 周](https://appshunter.io/developer/6779031562) |

## What reviewers say

### SentenWord

[App page](https://appshunter.io/ios/app/sentenword/id6749879303)

Learn vocabulary by memorizing words within real sentences and articles, rather than isolated lists. This tool helps you understand and use words effectively through contextual learning and AI-powered analysis of imported texts.

**Highlights:** Learn words in context, Use real sentences and articles, Import custom sentences and articles, AI-generated translations and analysis, Supports exam preparation vocabulary

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SentenWord Pro 会员1个月 | $2.99 | per month |
| SentenWord Pro 半年会员 | $12.99 | per 6 months |
| 5万字内容创建加量包 | $0.99 | one-time |
| 20万字内容创建加量包 | $2.99 | one-time |


### Etch

[App page](https://appshunter.io/ios/app/etch-write-to-remember/id6779050358)

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

**In-app purchases:** none


## Frequently asked questions

### Is SentenWord free?

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

### Is Etch free?

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

### Do SentenWord or Etch have ads?

Neither SentenWord nor Etch shows ads.

### Which is updated more often, SentenWord or Etch?

SentenWord ships an update every 3 days, and Etch weekly. Most recently, SentenWord was updated on November 8, 2026 and Etch on October 31, 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.*