# IPST Chemistry E vs 标日笔记・初级

The clearest difference is in-app purchases: IPST Chemistry E at none against 标日笔记・初级's 2. IPST Chemistry E also leads on rating (5.0 vs 4.5) and iOS requirement (8.0 vs 18.6). 标日笔记・初级's advantage is update cadence (every 5 weeks vs every 5 months) and ratings volume (11 vs 1). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. 标日笔记・初级 sells 2 in-app purchases, starting at $0.99 per month. IPST Chemistry E asks for nothing beyond the download.

IPST Chemistry E holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: 标日笔记・初级 has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

IPST Chemistry E ships an update every 5 months, 标日笔记・初级 every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | IPST Chemistry E | 标日笔记・初级 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ipst-chemistry-e-book-periodic-table/id1027846900/reviews)** | [4.5 (11 ratings)](https://appshunter.io/ios/app/48/id1478601112/reviews) |
| Number of ratings | 1 | **11** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 29 MB | 281 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kathi Studio Co.,Ltd.](https://appshunter.io/developer/436981312) | [逊 刘](https://appshunter.io/developer/1086124455) |

## What reviewers say

### IPST Chemistry E

[App page](https://appshunter.io/ios/app/ipst-chemistry-e-book-periodic-table/id1027846900)

This electronic textbook explores the periodic table, comparing properties of metals, metalloids, and nonmetals. It details trends in metallic properties, applications of elements, and radioactive elements, including their benefits and drawbacks. The app also contrasts fission and fusion nuclear reactions and their uses.

**Highlights:** Periodic table properties comparison, Metallic property trends analysis, Element applications and uses, Radioactive element properties, Fission vs. fusion reactions, Nuclear energy uses and impacts

**In-app purchases:** none


### 标日笔记・初级

[App page](https://appshunter.io/ios/app/48/id1478601112)

This app aids in learning Japanese by reinforcing previously taught concepts to combat forgetting. It visually distinguishes words by part of speech and provides detailed explanations of vocabulary, grammar, and sentence structures.

**Highlights:** Reinforces learned knowledge points, Color-coded vocabulary by part of speech, Detailed word definitions and conjugations, Grammar explanations with examples, Sentence breakdown with idioms and grammar, Covers all 48 lessons of beginner Japanese

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 标日笔记初级订阅 | $0.99 | per month |
| 标准日本语初级下 | $3.99 | one-time |


## Frequently asked questions

### Is IPST Chemistry E free?

IPST Chemistry E is free to download, with no in-app purchases.

### Is 标日笔记・初级 free?

标日笔记・初级 is free to download, with in-app purchases available.

### Which has better reviews, IPST Chemistry E or 标日笔记・初级?

IPST Chemistry E is rated higher. IPST Chemistry E averages 5.0 out of 5 from 1 ratings, while 标日笔记・初级 averages 4.5 from 11 ratings.

### Do IPST Chemistry E or 标日笔记・初级 have ads?

Neither IPST Chemistry E nor 标日笔记・初级 shows ads.

### Which is updated more often, IPST Chemistry E or 标日笔记・初级?

IPST Chemistry E ships an update every 5 months, and 标日笔记・初级 every 5 weeks. Most recently, IPST Chemistry E was updated on November 1, 2026 and 标日笔记・初级 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.*