---
title: "Mars Book - Reviews, Revenue and Downloads in Japan | Apple App Store"
description: "Mars Book(マーズ ブック)は、2020年秋に接近する火星を観察するための専用アプリです。 2020年9月から10月にかけて火星が地球に大接近します。最接近は10月6日。 Mars Bookは、星空の中で火星がどの位置に輝いているかを表示する、火星観察にたいへん便利なアプリです。 また、火星大接近がなぜ起こるか、宇宙からの視点で、星図とアニメーションを使いわかりやすく説明します。 2003"
---

# Mars Book — Japan

![Mars Book App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/c5/6b/09/c56b097a-7dc2-addb-06e7-e599f0dccd28/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [VixenLtd](https://apptail.io/developer/vixenltd-gBkb) (Japan)
**Category:** Education
**Rating:** 5.0/5 (3 ratings)
**Price:** Free
**Bundle ID:** jp.co.vixen.MarsBook
**Store:** Apple App Store
**Country:** Japan
**Version:** 1.2.4 (released 2025-08-21)
**Original Release:** 2018-02-05
**Languages:** English, German, Japanese

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/jp/app/app/id1342509724)
**AppTail Page:** [https://apptail.io/app/mars-book-Ppfj/japan](https://apptail.io/app/mars-book-Ppfj/japan)

## Mars Book Description
Mars Book(マーズ ブック)は、2020年秋に接近する火星を観察するための専用アプリです。
2020年9月から10月にかけて火星が地球に大接近します。最接近は10月6日。
Mars Bookは、星空の中で火星がどの位置に輝いているかを表示する、火星観察にたいへん便利なアプリです。
また、火星大接近がなぜ起こるか、宇宙からの視点で、星図とアニメーションを使いわかりやすく説明します。
2003年の大接近から2050年までの23回の火星接近の様子や火星の逆行もシミュレーション表示します。
今年の火星大接近をMars Bookでお楽しみください。

## Mars Book Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/4e/e1/4c/4ee14c9a-05a3-90c1-b762-1feffec71952/fba44d58-57f7-4dc4-ab6c-2c1b269ab195_IMG_0241.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/c1/52/72/c15272f6-3674-c9c7-42c9-13aaa89611b0/f8869967-4a00-4530-bf5d-5123b3ca92f4_IMG_0242.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource124/v4/a0/58/f1/a058f197-d4dd-04c8-d724-b4f5b7a74845/357ce29e-02f1-4ca9-8206-f6c88cddc78c_IMG_0243.png/1242x2688.png)

## Mars Book Rating Breakdown in Japan
- 5 stars: 3 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)

## Mars Book Reviews in Japan

### ***** "very thanks( ˶'ᵕ'˶)"
(*˘˘*)Thank you very much( ˶'ᵕ'˶)
-- Cocapepsimagic, 2026-01-18

[View all Mars Book reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)



## Mars Book Discovered Keywords
- mars book

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## Mars Book Available In
- [Japan](https://apptail.io/app/mars-book-Ppfj/japan)
- [Taiwan](https://apptail.io/app/mars-book-Ppfj/taiwan)
- [Lebanon](https://apptail.io/app/mars-book-Ppfj/lebanon)
- [Australia](https://apptail.io/app/mars-book-Ppfj/australia)
- [Azerbaijan](https://apptail.io/app/mars-book-Ppfj/azerbaijan)
- [Belgium](https://apptail.io/app/mars-book-Ppfj/belgium)
- [Bulgaria](https://apptail.io/app/mars-book-Ppfj/bulgaria)
- [Belarus](https://apptail.io/app/mars-book-Ppfj/belarus)
- [Canada](https://apptail.io/app/mars-book-Ppfj/canada)
- [Switzerland](https://apptail.io/app/mars-book-Ppfj/switzerland)
- [Chile](https://apptail.io/app/mars-book-Ppfj/chile)
- [China](https://apptail.io/app/mars-book-Ppfj/china)
- [Colombia](https://apptail.io/app/mars-book-Ppfj/colombia)
- [Czechia](https://apptail.io/app/mars-book-Ppfj/czechia)
- [Germany](https://apptail.io/app/mars-book-Ppfj/germany)
- [Denmark](https://apptail.io/app/mars-book-Ppfj/denmark)
- [Algeria](https://apptail.io/app/mars-book-Ppfj/algeria)
- [Ecuador](https://apptail.io/app/mars-book-Ppfj/ecuador)
- [Egypt](https://apptail.io/app/mars-book-Ppfj/egypt)
- [Spain](https://apptail.io/app/mars-book-Ppfj/spain)
- [Finland](https://apptail.io/app/mars-book-Ppfj/finland)
- [France](https://apptail.io/app/mars-book-Ppfj/france)
- [United Kingdom](https://apptail.io/app/mars-book-Ppfj/united-kingdom)
- [Greece](https://apptail.io/app/mars-book-Ppfj/greece)
- [Hong Kong SAR China](https://apptail.io/app/mars-book-Ppfj/hong-kong)
- [Hungary](https://apptail.io/app/mars-book-Ppfj/hungary)
- [Indonesia](https://apptail.io/app/mars-book-Ppfj/indonesia)
- [Ireland](https://apptail.io/app/mars-book-Ppfj/ireland)
- [Israel](https://apptail.io/app/mars-book-Ppfj/israel)
- [India](https://apptail.io/app/mars-book-Ppfj/india)
- [Italy](https://apptail.io/app/mars-book-Ppfj/italy)
- [South Korea](https://apptail.io/app/mars-book-Ppfj/south-korea)
- [Kuwait](https://apptail.io/app/mars-book-Ppfj/kuwait)
- [Kazakhstan](https://apptail.io/app/mars-book-Ppfj/kazakhstan)
- [Mexico](https://apptail.io/app/mars-book-Ppfj/mexico)
- [Malaysia](https://apptail.io/app/mars-book-Ppfj/malaysia)
- [Nigeria](https://apptail.io/app/mars-book-Ppfj/nigeria)
- [Norway](https://apptail.io/app/mars-book-Ppfj/norway)
- [New Zealand](https://apptail.io/app/mars-book-Ppfj/new-zealand)
- [Peru](https://apptail.io/app/mars-book-Ppfj/peru)
- [Philippines](https://apptail.io/app/mars-book-Ppfj/philippines)
- [Pakistan](https://apptail.io/app/mars-book-Ppfj/pakistan)
- [Poland](https://apptail.io/app/mars-book-Ppfj/poland)
- [Portugal](https://apptail.io/app/mars-book-Ppfj/portugal)
- [Romania](https://apptail.io/app/mars-book-Ppfj/romania)
- [Russia](https://apptail.io/app/mars-book-Ppfj/russia)
- [Saudi Arabia](https://apptail.io/app/mars-book-Ppfj/saudi-arabia)
- [Sweden](https://apptail.io/app/mars-book-Ppfj/sweden)
- [Singapore](https://apptail.io/app/mars-book-Ppfj/singapore)
- [Thailand](https://apptail.io/app/mars-book-Ppfj/thailand)
- [Türkiye](https://apptail.io/app/mars-book-Ppfj/turkey)
- [Ukraine](https://apptail.io/app/mars-book-Ppfj/ukraine)
- [United States](https://apptail.io/app/mars-book-Ppfj/united-states)
- [Vietnam](https://apptail.io/app/mars-book-Ppfj/vietnam)
- [United Arab Emirates](https://apptail.io/app/mars-book-Ppfj/united-arab-emirates)
- [South Africa](https://apptail.io/app/mars-book-Ppfj/south-africa)
- [Argentina](https://apptail.io/app/mars-book-Ppfj/argentina)
- [Austria](https://apptail.io/app/mars-book-Ppfj/austria)

---

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