# 音楽絵本・銀河鉄道の夜 (ポケット) vs 4th Grade Math

The clearest difference is price: 4th Grade Math at Free against 音楽絵本・銀河鉄道の夜 (ポケット)'s $2.99. 4th Grade Math also leads on update cadence (every 6 weeks vs every 25 months). 音楽絵本・銀河鉄道の夜 (ポケット)'s advantage is in-app purchases (none vs 1) and review sentiment (94% vs 67%). On ads and device support there is nothing between them.

4th Grade Math is free to download; 音楽絵本・銀河鉄道の夜 (ポケット) costs $2.99 up front. 4th Grade Math sells 1 in-app purchase, starting at $4.99 per month. 音楽絵本・銀河鉄道の夜 (ポケット) asks for nothing beyond the download.

音楽絵本・銀河鉄道の夜 (ポケット) ships an update every 25 months, 4th Grade Math every 6 weeks. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 音楽絵本・銀河鉄道の夜 (ポケット) | 4th Grade Math |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | **94.4% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 6 weeks** |
| Monetization | **Paid** | Subscription |
| Size | 147 MB | 227 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [takeshi sainen](https://appshunter.io/developer/427775174) | [Math Galaxy](https://appshunter.io/developer/500490521) |

## What reviewers say

### 音楽絵本・銀河鉄道の夜 (ポケット)

[App page](https://appshunter.io/ios/app/id483857766)

Experience a classic Japanese novel brought to life with dream-like illustrations and enchanting toytronica music. This interactive book takes you on a journey through a profound fantasy world, following two boys on a mysterious train ride across the galaxy. It's an immersive reading experience designed to captivate.

**Highlights:** Musical adaptation of classic novel, Dream-like illustrations, Toytronica music soundtrack, Interactive reading experience, Sliding text display, Rotating planisphere menu

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

**In-app purchases:** none


### 4th Grade Math

[App page](https://appshunter.io/ios/app/4th-grade-math-math-galaxy/id911949523)

This app offers comprehensive math practice aligned with 4th-grade Common Core standards. It covers topics like multiplication, division, fractions, and decimals with bite-sized lessons and unlimited problems. Illustrations reinforce concepts for better understanding.

**Highlights:** Covers 4th-grade Common Core math standards, Bite-sized lessons, Unlimited practice problems, Illustrations to reinforce concepts, Topics: multiplication, division, fractions, decimals, Place value and rounding, Word problems and algebraic patterns

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4th Grade Math - Math Galaxy | $4.99 | per month |


## Frequently asked questions

### Is 音楽絵本・銀河鉄道の夜 (ポケット) free?

音楽絵本・銀河鉄道の夜 (ポケット) costs $2.99, with no in-app purchases.

### Is 4th Grade Math free?

4th Grade Math is free to download, with in-app purchases available.

### Do 音楽絵本・銀河鉄道の夜 (ポケット) or 4th Grade Math have ads?

Neither 音楽絵本・銀河鉄道の夜 (ポケット) nor 4th Grade Math shows ads.

### Which is updated more often, 音楽絵本・銀河鉄道の夜 (ポケット) or 4th Grade Math?

音楽絵本・銀河鉄道の夜 (ポケット) ships an update every 25 months, and 4th Grade Math every 6 weeks. Most recently, 音楽絵本・銀河鉄道の夜 (ポケット) was updated on October 8, 2026 and 4th Grade Math on October 13, 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.*