# 4000基础必备英语单词 vs SnapDeck AI

The clearest difference is price: SnapDeck AI at Free against 4000基础必备英语单词's $3.99. SnapDeck AI also leads on update cadence (fortnightly vs every 2 months). 4000基础必备英语单词's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On ads there is nothing between them.

SnapDeck AI is free to download; 4000基础必备英语单词 costs $3.99 up front. SnapDeck AI sells 2 in-app purchases, starting at $1.99 per month. 4000基础必备英语单词 asks for nothing beyond the download.

4000基础必备英语单词 ships an update every 2 months, SnapDeck AI fortnightly. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 4000基础必备英语单词 | SnapDeck AI |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 938 MB | 37 MB |
| Requires iOS | **15.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [水生 王](https://appshunter.io/developer/1587470458) | [Robert Jensen](https://appshunter.io/developer/1786807724) |

## What reviewers say

### 4000基础必备英语单词

[App page](https://appshunter.io/ios/app/4000/id6477503411)

**Features:** macOS Compatibility

**In-app purchases:** none


### SnapDeck AI

[App page](https://appshunter.io/ios/app/snapdeck-ai-flashcards/id6759596002)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SnapDeck Premium. | $1.99 | per month |
| SnapDeck Premium — Lifetime. | $5.00 | one-time |


## Frequently asked questions

### Is 4000基础必备英语单词 free?

4000基础必备英语单词 costs $3.99, with no in-app purchases.

### Is SnapDeck AI free?

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

### Do 4000基础必备英语单词 or SnapDeck AI have ads?

Neither 4000基础必备英语单词 nor SnapDeck AI shows ads.

### Which is updated more often, 4000基础必备英语单词 or SnapDeck AI?

4000基础必备英语单词 ships an update every 2 months, and SnapDeck AI fortnightly. Most recently, 4000基础必备英语单词 was updated on October 8, 2026 and SnapDeck AI on October 25, 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.*