# Voca每日单词 vs 星际背单词

The clearest difference is in-app purchases: 星际背单词 at none against Voca每日单词's 2. 星际背单词 also leads on update cadence (every 2 days vs every 9 days) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Voca每日单词 sells 2 in-app purchases, starting at $3.99 per month. 星际背单词 asks for nothing beyond the download.

Voca每日单词 ships an update every 9 days, 星际背单词 every 2 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Voca每日单词 | 星际背单词 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/voca/id6758596775/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 506 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joyplus Apps](https://appshunter.io/developer/1796730267) | [秉国 蔡](https://appshunter.io/developer/6796154552) |

## What reviewers say

### Voca每日单词

[App page](https://appshunter.io/ios/app/voca/id6758596775)

Learn new vocabulary daily with a customizable word stream. Choose from various word lists like IELTS, TOEFL, and GRE, with contextual example sentences to aid memorization. Organize your learned words and share favorites easily.

**Highlights:** Daily word stream, Selectable word lists (IELTS, TOEFL, GRE), Contextual example sentences, One-click sharing, Review past words, Organize word lists, Desktop widgets

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Lifetime Access | $12.99 | one-time |


### 星际背单词

[App page](https://appshunter.io/ios/app/id6802153860)

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

**In-app purchases:** none


## Frequently asked questions

### Is Voca每日单词 free?

Voca每日单词 is free to download, with in-app purchases available.

### Is 星际背单词 free?

星际背单词 is free to download, with no in-app purchases.

### Do Voca每日单词 or 星际背单词 have ads?

Neither Voca每日单词 nor 星际背单词 shows ads.

### Which is updated more often, Voca每日单词 or 星际背单词?

Voca每日单词 ships an update every 9 days, and 星际背单词 every 2 days. Most recently, Voca每日单词 was updated on October 6, 2026 and 星际背单词 on October 7, 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.*