Comparison

音楽絵本・銀河鉄道の夜 (ポケット) vs 4th Grade Math

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

音楽絵本・銀河鉄道の夜 (ポケット)

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
Read full description

This is a musical version of Kenji Miyazawa's novel "Night on the Galaxy Express,'' which is Japan's most famous novel and has influenced numerous animations and manga.In this application, dream-like illustrations and the translucent sound of toytronica music take the reader on a journey into the beautiful, profound world of the Galactic Railway. (501 pages / Only Japanese) -Story On the night of a local festival, two boys take a ride on a mysterious train that travels across the galaxy. The train heads towards the constellation of the Southern Cross, going south along the Milky Way. This is the tale of their night journey through a beautiful yet imperfect fantasy land and the people they meet on the way, a priest, a hunter, a brave youth, and a young brother and sister. --------------- - Number of pages: 501 pages (You can read it in 40 minutes.) - Beautiful sliding text - Clear prose - A rotating pop-out planisphere menu - An experience akin to watching a movie (A key point is that you will not skip the text.) --------------- Author: Kenji Miyazawa A Japanese literary scholar and poet of children's literature. Night on the Galactic Railroad is a famous work that has sold a total of over 6 million copies. Music: Moskitoo Provided by a composer who mainly focuses on electronica. Moskitoo released her debut album “Drape” on New York’s 12k. Illustration, design and production: Takeshi Sainen Programming: Tom --------------- You can see the demo video on YouTube. You can see it from the "App support" link. If you have an iPad, there is also an English version. If you have any problems with the operation of the app, please contact us. Search for “Night on the Galactic Railway” in the iPad AppStore. ---------------

About

4th Grade Math

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
Read full description

In 4th grade math the emphasis is on multi-digit multiplication and division, developing an understanding of fractions and decimals, plus developing fluency in addition and subtraction. “These apps are a favorite in my house.” "I love all of the Math Galaxy apps for their ease of use." See the rest of the review at: https://web.archive.org/web/20180129020131/http://www.smartappsforkids.com/2017/12/review-4th-grade-math-common-core-from-math-galaxy-is-another-top-pick-.html Preview on YouTube: https://www.youtube.com/watch?v=XF3DZGafi5I Auto-renewable subscription The subscription provides full access to all content. 4th Grade Math comes with a 7-day free trial. After this you will be charged $4.99 a month and you can cancel anytime. Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage your subscription by visiting your iTunes Account Settings after purchase. The app does not collect any personal information. Privacy policy: https://www.mathgalaxy.com/FQ3_Menu/FQ3_4th_Grade_Math_Privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Math Galaxy’s Fourth Grade Math covers all of the Common Core math standards for fourth grade as listed below. The concepts are presented in bite-size pieces with an unlimited supply of problems. Illustrations are used throughout to reinforce the concepts. NUMBERS AND OPERATIONS IN BASE 10 (4.NBT) Generalize place value understanding for multi-digit whole numbers. Use place value to perform multi-digit arithmetic. Flashcards. (4.NBT) Place Value (4.NBT.2) Place Value Blocks (4.NBT.1) Place Names Expanded Notation Comparing Numbers Ordering Numbers Rounding & Estimating (4.NBT.3) Adding Whole Numbers (4.NBT.4) 3-4-Digit Addition (traditional) Alternative Method - Partial Sums Subtracting Whole Numbers (4.NBT.4) 3-4-Digit Subtraction Multiplying Whole Numbers (4.NBT.5) 1-Digit x 2, 3, or 4-Digits 2-Digit x 2-Digit Mult & Div by 10's Dividing Whole Numbers (4.MBT.6) Relating Division to Multiplication 1-Digit Divisor, 2-4-Digit Dividend Zero’s in Quotient Missing Number OPERATIONS AND ALGEBRAIC THINKING (4.OA) Use the four operations with whole numbers to solve problems. Gain familiarity with factors and multiples. Multiplicative Comparison (4.OA.1, 2) Word Problems (2) Multi-Step Word Problems (3) Factors & Prime Numbers (4) Algebraic & Shape Patterns (5) NUMBER AND OPERATIONS - FRACTIONS (4.NF) Extend understanding of fraction equivalence and ordering. Understand decimal notation for fractions and compare decimal fractions. Identifying Fractions (4.NF.1) Fractions on # Line (1) Part of a Group (1) Equivalent Fractions (1) Comparing Fractions (2) Reducing & Improper Fractions (3a) Adding & Subtracting Like Fractions (3b) Multiplying Fractions (4) Fractions Word Problems (3c, 4c) Writing Decimals (6) Decimals on # Line (6) Comparing Decimals (7) Ordering Decimals (7) Adding 10ths and 100ths (5) MEASUREMENT AND DATA (4.MD) Solve problems involving measurement and conversion of measurements. Measurement Conversions (4.MD.1,2) Length (1,2) Area & Perimeter (1-3) Volume (1,2) Liquid Volume (1,2) Graphs (4) Graphing Coordinates. (4) Mass (in Riddles game) (1,2) Time (in Riddles game) (1,2) Angles (5-7) GEOMETRY (4.G) Draw and identify lines and angles, and classify shapes. Terminology (4.G.1-3) Measuring Angles Angles Games Labyrinth (a maze game) The Money Trail Bridge the Swamp Snakes and Ladders Measurement Riddles

Screenshots

音楽絵本・銀河鉄道の夜 (ポケット)4 screens
4th Grade Math4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 2 level
音楽絵本・銀河鉄道の夜 (ポケット) versus 4th Grade Math: the parameters behind the verdict, then further details
Parameter音楽絵本・銀河鉄道の夜 (ポケット)4th Grade Math
Price$2.99Free — better
Positive reviews94.4% of reviews — better66.7% of reviews
Update frequencyEvery 25 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size147 MB227 MB
Age rating4+4+
Developertakeshi sainenMath Galaxy

Customer experience

音楽絵本・銀河鉄道の夜 (ポケット)

Written reviews18 reviews
Positive94.4%
Neutral0.0%
Negative5.6%

4th Grade Math

Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

音楽絵本・銀河鉄道の夜 (ポケット)

No in-app purchases

1 purchases

4th Grade Math

Subscriptions1
  • 4th Grade Math - Math Galaxy7 Days trial$4.991 Month

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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