Comparison

My日本史クイズ vs Elements Gallery

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

Head to head
About

My日本史クイズ

Features
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アプリは4つの画面で構成されており、それぞれ以下の機能です。 <レベル選択画面> 中学レベルと高校レベルを選択します。中学レベルは一般教養レベルととしても使えます。高校レベルは大学受験用としても使える内容になっています。 <ジャンル選択画面> 縄文弥生古墳、飛鳥奈良平安、鎌倉南北朝室町、戦国安土桃山、江戸、明治大正昭和の 6つの時代ジャンルから選択することが出来ます。それぞれのボタン下のバーで進捗を確認することが出来ます。 <問題画面> 各レベル、各ジャンルごとに20問の問題を用意しています。 問題が画面上に表示され、その下の4つの選択肢から回答を選びます。 画面下の「次へ」ボタンを押すと次の問題が現れます。 <スコア画面> 全問解答するとスコア画面に遷移します。正解数や選択したジャンルの問題リスト、その正解リストが表示され復習することが出来ます。

About

Elements Gallery

Features
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A visual periodic table app covering all 118 elements. 2D PERIODIC TABLE A grid layout by group and period. Categories like alkali metals, halogens and transition metals are color-coded, so you can see an element's classification at a glance. Pinch to zoom into crowded blocks of elements for a closer look. ELEMENT DETAILS Tap an element to see its electron configuration through an intuitive rotating shell animation. Dig deeper with atomic number, mass, melting and boiling points, density, electronegativity, year of discovery, real-world photos with usage examples (sourced and licensed), a list of isotopes, molecular structures of representative compounds (water, carbon dioxide, ozone and more), and electron configuration changes for common ions. WHO IT IS FOR - Students studying basic or advanced chemistry - Anyone curious about elements and chemistry - Looking for reference material for a school project or class FEATURES - All 118 elements and 96 real photos bundled from the start — every feature works offline - Japanese and English supported (switches automatically with your device language) - No ads, no account required, no additional purchases - All photos are public domain or Creative Commons, with sources credited

Screenshots

My日本史クイズ4 screens
Elements Gallery4 screens

Verdict

The call

The clearest difference is ads: Elements Gallery at none against My日本史クイズ's shown. Elements Gallery also leads on update cadence (every 2 months vs every 9 months). My日本史クイズ's advantage is iOS requirement (14.4 vs 26.0). On price, in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

My日本史クイズ ships an update every 9 months, Elements Gallery every 2 months. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 3 level
My日本史クイズ versus Elements Gallery: the parameters behind the verdict, then further details
ParameterMy日本史クイズElements Gallery
PriceFreeFree
Update frequencyEvery 9 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS14.4 — better26.0
Further details — not scored
Size2 MB11 MB
Age rating4+4+
DeveloperMichiyuki MomokitaNaoki Chiba

In-app purchases

None

My日本史クイズ

No in-app purchases

None

Elements Gallery

No in-app purchases

Questions

Is My日本史クイズ free?
My日本史クイズ is free to download, with no in-app purchases.
Is Elements Gallery free?
Elements Gallery is free to download, with no in-app purchases.
Do My日本史クイズ or Elements Gallery have ads?
My日本史クイズ shows ads; Elements Gallery does not.
Which is updated more often, My日本史クイズ or Elements Gallery?
My日本史クイズ ships an update every 9 months, and Elements Gallery every 2 months. Most recently, My日本史クイズ was updated on October 8, 2026 and Elements Gallery on October 2, 2026.

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