# 4000基础必备英语单词 vs Visual Periodic Table Chemie

The clearest difference is price: Visual Periodic Table Chemie at Free against 4000基础必备英语单词's $2.99. Visual Periodic Table Chemie also leads on review sentiment (100% vs 85%) and update cadence (every 3 weeks vs every 2 months). 4000基础必备英语单词's advantage is in-app purchases (none vs 4). On rating, ratings volume, ads and device support there is nothing between them.

Visual Periodic Table Chemie is free to download; 4000基础必备英语单词 costs $2.99 up front. Visual Periodic Table Chemie sells 4 one-off in-app purchases. 4000基础必备英语单词 asks for nothing beyond the download.

4000基础必备英语单词 holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews complicate that: 85% of 4000基础必备英语单词's written reviews are positive against 100% of Visual Periodic Table Chemie's, so the app with the better star average is not the one people write more warmly about.

4000基础必备英语单词 ships an update every 2 months, Visual Periodic Table Chemie every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | 4000基础必备英语单词 | Visual Periodic Table Chemie |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/4000/id1590296496/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/visual-periodic-table-chemie/id1661609052/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 85.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1.0 GB | 275 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [水生 王](https://appshunter.io/developer/1587470458) | [博 彭](https://appshunter.io/developer/1293268076) |

## What reviewers say

### 4000基础必备英语单词

[App page](https://appshunter.io/ios/app/4000/id1590296496)

This app provides a comprehensive vocabulary learning experience with 4000 essential English words across six volumes. It includes text, answers, images, audio, and Chinese translations, along with various learning methods and review games. The app is designed for offline use without ads or in-app purchases.

**Highlights:** 4000 essential English words, Audio and Chinese translations, Vocabulary flashcards, Multiple learning and review games, Offline access, No registration required

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

**In-app purchases:** none


### Visual Periodic Table Chemie

[App page](https://appshunter.io/ios/app/visual-periodic-table-chemie/id1661609052)

Access detailed information on all elements, including properties, molecular formulas, and crystal structures. Features a comprehensive periodic table and chemical reaction calculators to aid in studies and work.

**Highlights:** Element properties lookup, Molecular formula information, Crystal structure visualization, Periodic table display, Chemical reaction calculators, Advanced models (with purchase)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Little Encouragement | $1.99 | one-time |
| Advanced Exploration | $4.99 | one-time |
| Support Continued Development | $4.99 | one-time |
| A Big Thank-You | $9.99 | 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 $2.99, with no in-app purchases.

### Is Visual Periodic Table Chemie free?

Visual Periodic Table Chemie is free to download, with in-app purchases available.

### Which has better reviews, 4000基础必备英语单词 or Visual Periodic Table Chemie?

4000基础必备英语单词 is rated higher. 4000基础必备英语单词 averages 4.7 out of 5 from 3 ratings, while Visual Periodic Table Chemie averages 4.5 from 2 ratings.

### Do 4000基础必备英语单词 or Visual Periodic Table Chemie have ads?

Neither 4000基础必备英语单词 nor Visual Periodic Table Chemie shows ads.

### Which is updated more often, 4000基础必备英语单词 or Visual Periodic Table Chemie?

4000基础必备英语单词 ships an update every 2 months, and Visual Periodic Table Chemie every 3 weeks. Most recently, 4000基础必备英语单词 was updated on November 3, 2026 and Visual Periodic Table Chemie on November 3, 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.*