# SnapSpell 背单词 vs Etch

The clearest difference is in-app purchases: Etch at none against SnapSpell 背单词's 1. Etch also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. SnapSpell 背单词 sells 1 in-app purchase, starting at $0.99 per month. Etch asks for nothing beyond the download.

SnapSpell 背单词 ships an update every 2 weeks, Etch weekly. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SnapSpell 背单词 | Etch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 6 MB | 11 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [午尧 杨](https://appshunter.io/developer/1682829051) | [宏 周](https://appshunter.io/developer/6779031562) |

## What reviewers say

### SnapSpell 背单词

[App page](https://appshunter.io/ios/app/snapspell/id6756832420)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Image Generation 100 | $0.99 | per month |


### 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 SnapSpell 背单词 free?

SnapSpell 背单词 is free to download, with in-app purchases available.

### Is Etch free?

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

### Do SnapSpell 背单词 or Etch have ads?

SnapSpell 背单词 shows ads; Etch does not.

### Which is updated more often, SnapSpell 背单词 or Etch?

SnapSpell 背单词 ships an update every 2 weeks, and Etch weekly. Most recently, SnapSpell 背单词 was updated on October 18, 2026 and Etch on October 6, 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.*