# 4000基础必备英语单词6 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6's $0.99. Visual Periodic Table Chemie also leads on update cadence (every 3 weeks vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Visual Periodic Table Chemie is free to download; 4000基础必备英语单词6 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

4000基础必备英语单词6 ships an update every 2 months, Visual Periodic Table Chemie every 3 weeks. The most recent releases landed on October 16, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 4000基础必备英语单词6 | Visual Periodic Table Chemie |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/visual-periodic-table-chemie/id1661609052/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 194 MB | 254 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6

[App page](https://appshunter.io/ios/app/40006/id1640444751)

**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 chemical elements, including properties, molecular formulas, and crystal structures. Features a comprehensive periodic table and chemical reaction calculators to aid studies and work. Offers basic features for free with an optional one-time purchase for advanced content.

**Highlights:** Element information lookup, 3D molecular models, Crystal structure visualization, Periodic table reference, Chemical reaction calculators, Property comparisons

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

**In-app purchases:** none


## Frequently asked questions

### Is 4000基础必备英语单词6 free?

4000基础必备英语单词6 costs $0.99, with no in-app purchases.

### Is Visual Periodic Table Chemie free?

Visual Periodic Table Chemie is free to download, with no in-app purchases.

### Do 4000基础必备英语单词6 or Visual Periodic Table Chemie have ads?

Neither 4000基础必备英语单词6 nor Visual Periodic Table Chemie shows ads.

### Which is updated more often, 4000基础必备英语单词6 or Visual Periodic Table Chemie?

4000基础必备英语单词6 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6 was updated on October 16, 2026 and Visual Periodic Table Chemie on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*