Comparison

日本史ざっくり暗記!「重要用語と年号」学習アプリ vs Parallel Chronology

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

Head to head
About

日本史ざっくり暗記!「重要用語と年号」学習アプリ

Features
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日本史の「重要用語と年号」を簡単に覚えられるアプリです。 まずは、この570問をマスターしてざっくり基礎を身につけましょう! 短いサイクルの四択問題を10問ずつといていく方式で、ちょっとした空き時間でも始められます! バージョン2で大幅なアップデートを行いました。 ・解答方法を1文字ずつタップ入力に変更しました。 ・「苦手な問題」「タイムアタック」を追加しました。 ・設定画面で効果音のON/OFF、カラー等を設定できるようにしました。 ・広告削除のアドオンを追加しました。 ざっくりとした説明と詳細な2種類の説明文が登録されています。 まずはざっくりと覚えてから細かいところまで暗記していきましょう!! 年号問題は全問「語呂合わせ(ごろあわせ)」を登録しているので、効率よく覚えられます!! ※ 学習に集中したい方は広告表示削除のアドオンをご利用ください。 学習パターンは以下の4つです。 1. トレーニング  10問ずつに分類された問題をといていきます。  ざっくり説明と、年号ごろあわせがヒントとして表示されます。 2. 理解度テスト  各時代ごとの問題をまとめて解答して実力をチェックします。  ざっくり説明と、年号ごろあわせは表示されません。 3. タイムアタック  90秒で何問正解できるかに挑戦できます。 4. 用語・年号一覧  収録されている用語と年号を一覧表示できます。 全570問の内訳 1. 用語問題(360問)  古墳・飛鳥・奈良・平安時代(90問)  鎌倉・室町・安土桃山時代(80問)  江戸時代(90問)  明治・大正・昭和時代(100問) 2. 年号問題(210問)  奈良から室町時代まで(70問)  室町から安土桃山時代まで(30問)  江戸時代まで(60問)  明治から昭和まで(50問)

About

Parallel Chronology

Explore historical events and fictional timelines side-by-side. Compare information across different categories and time periods, from the dawn of the universe to the present and beyond. Discover new insights by juxtaposing diverse data points on an infinitely scrolling timeline.

Highlights
  • Side-by-side information display
  • Story units for comparative analysis
  • Infinite scroll timeline (99.9 billion BC to 99.9 billion AD)
  • Tool for historical discovery
  • Supports custom fictional data
  • Links to Wikipedia for details
  • Universal device support (iPhone/iPad)
Features
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## Parallel comparison ## You can display various informations with time attributes unit of year side by side, regardless of a specific category such as Japanese history or world history. ## Story Unit ## Multiple data are displayed together in a unit "Story", so you can easily compare informations along with different viewpoints. ## Almost infinite scroll ## You can display Informations from before the birth of the universe (13.8 billion years ago) to the present on the same timeline. It is almost infinite scroll by practical usage. It is about a range of 99.9 billion BC to 99.9 billion AD. ## Tool for new discovery ## Comparing historical figures of various countries, or history of natural disasters and wars, which may deepen your understanding of history or make new discoveries. ## It's OK on any data ## You can create Story and datas of it. It's OK not only data on history, but fictional datas such as in novels, movies, and completely original datas. ex. * History of characters in SF novels * Genealogy of ancestors * Data for memorization of historical terms ## Easy to check detail informations ## Each data on the chronology is linked to page of Wikipedia, so if its title exists, you can check the detail information immediately. This is the same even if it is data created by yourself. ## Universal devices ## This app supports universal devices, so you can use comfortably with either iPhone of iPad. In addition, you can rotate either horizontally or vertically. So you can rotate it according to your preference, for example in case you want to display a longer period, want to compare a lot of informations. This app is developed as you can use even if on 4-inch iPhone SE. If you will be using on large resolution device like iPad Pro, more comfortable.

Screenshots

日本史ざっくり暗記!「重要用語と年号」学習アプリ4 screens
Parallel Chronology3 screens

Verdict

The call

The clearest difference is rating: 日本史ざっくり暗記!「重要用語と年号」学習アプリ at 4.5 against Parallel Chronology's 1.0. 日本史ざっくり暗記!「重要用語と年号」学習アプリ also leads on update cadence (every 2 months vs every 9 months). Parallel Chronology's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume and iOS requirement 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

Both are free to download. 日本史ざっくり暗記!「重要用語と年号」学習アプリ sells 3 one-off in-app purchases. Parallel Chronology asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

日本史ざっくり暗記!「重要用語と年号」学習アプリ holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

日本史ざっくり暗記!「重要用語と年号」学習アプリ ships an update every 2 months, Parallel Chronology every 9 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

Scorecard5 real differences · 5 level
日本史ざっくり暗記!「重要用語と年号」学習アプリ versus Parallel Chronology: the parameters behind the verdict, then further details
Parameter日本史ざっくり暗記!「重要用語と年号」学習アプリParallel Chronology
PriceFreeFree
Rating4.5 (2 ratings) — better1.0 (1 ratings)
Positive reviews—64.3% of reviews
Number of ratings2 — better1
Update frequencyEvery 2 months — betterEvery 9 months
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size13 MB12 MB
Age rating4+4+
DeveloperKeiko YukawaNeusara LLC

Customer experience

日本史ざっくり暗記!「重要用語と年号」学習アプリ

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Parallel Chronology

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews14 reviews
Positive64.3%
Neutral21.4%
Negative14.3%

In-app purchases

3 purchases

日本史ざっくり暗記!「重要用語と年号」学習アプリ

One-time3
  • 広告表示削除$1.99
  • 単語帳作成数無制限$1.99
  • 単語登録数無制限$1.99
None

Parallel Chronology

No in-app purchases

Questions

Is 日本史ざっくり暗記!「重要用語と年号」学習アプリ free?
日本史ざっくり暗記!「重要用語と年号」学習アプリ is free to download, with in-app purchases available.
Is Parallel Chronology free?
Parallel Chronology is free to download, with no in-app purchases.
Which has better reviews, 日本史ざっくり暗記!「重要用語と年号」学習アプリ or Parallel Chronology?
日本史ざっくり暗記!「重要用語と年号」学習アプリ is rated higher. 日本史ざっくり暗記!「重要用語と年号」学習アプリ averages 4.5 out of 5 from 2 ratings, while Parallel Chronology averages 1.0 from 1 ratings.
Do 日本史ざっくり暗記!「重要用語と年号」学習アプリ or Parallel Chronology have ads?
日本史ざっくり暗記!「重要用語と年号」学習アプリ shows ads; Parallel Chronology does not.
Which is updated more often, 日本史ざっくり暗記!「重要用語と年号」学習アプリ or Parallel Chronology?
日本史ざっくり暗記!「重要用語と年号」学習アプリ ships an update every 2 months, and Parallel Chronology every 9 months. Most recently, 日本史ざっくり暗記!「重要用語と年号」学習アプリ was updated on November 1, 2026 and Parallel Chronology on November 7, 2026.

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