Time Atelier vs 歴がちゃ世界史編
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time Atelier
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Turn your phone face down and focus. That time slowly becomes a piece of art. A focus timer for studying, exams, certifications, and reading. "I keep telling myself to study, but somehow I end up on my phone again." "Apps that just track study time with numbers and graphs never held my attention." "It's sad when all that effort leaves nothing behind." Time Atelier is a focus timer made for you. Two ways to start: tap a button, or turn your phone face down. With Face-Down Start, the timer keeps running while your phone stays face down, and pauses automatically the moment you pick it up. Leaving your phone alone helps you stay focused. Of course, you can also stick to the simple button-only mode instead (switch anytime in settings). And the time you focus never disappears. The artwork you choose—such as a terrarium or town festival—gradually takes shape as your focused time adds up. You'll see the first change after just 15 minutes. ◆ Key Features •Two ways to start: choose "Start with Button" or "Start Face-Down" •Face-Down Start: timing continues while your phone is face down, pauses automatically when you lift it, and resumes when you flip it back •Watch your art take shape: your artwork evolves step by step as focused time builds up, and finished pieces join your collection. New artwork is on the way, too •Complete two artworks for free: the short "Terrarium" and the longer "Town Festival" can both be enjoyed in full for free •Focus history: check your focus time today, this week, and this month, plus a chart of the last 7 days, for free •Widget: see your focus time today and your artwork's progress right on your home screen, no need to open the app •Completion cards: save and share your finished artwork as an image •Daily reminders: get a notification at a set time to help build the habit ◆ Who It's For •Middle school, high school, and college students building study time for tests and exams •Working adults preparing for certifications •Anyone who wants to protect real time for reading or creative work •Remote workers who tend to drift into distractions •Anyone who feels a bit too attached to their phone and wants some distance ◆ Your Records Stay on Your Device No account required. Your focus history is stored only on your device. ◆ More Artwork & Features (In-App Purchases) •Additional artwork: each piece is a one-time purchase. Once bought, you can restart and rebuild it from scratch as many times as you like. New artwork is always on the way •Logbook: one-time purchase. View past weeks and months, monthly charts and comparisons, and a calendar view let you look back on your progress in depth •Premium Membership (monthly, auto-renewing): unlimited access to all paid artwork and the Logbook, including any new artwork added in the future at no extra cost Premium Membership is an auto-renewing subscription. Payment is charged to your Apple Account when you confirm the purchase. It renews automatically unless canceled at least 24 hours before the end of the current period. You can cancel anytime after purchase from Settings > Subscriptions on your iPhone, and you'll keep access until the end of the current period. Terms of Use: https://sites.google.com/view/timeatelier-term/term Privacy Policy: https://kurisaku.com/privacypolicy Ready to turn today's focus into a piece of art? Your atelier is waiting for you.
歴がちゃ世界史編
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世界の歴史を、カードで集める。 「歴がちゃ 世界史編」は、世界の歴史をテーマにしたカードコレクションアプリです。ガチャを引いてカードを集め、クイズに挑戦しながら、遊ぶうちに世界史に親しめます。 ■ 300種の歴史カード 古代文明から近現代まで、6つの区分に各50種、合計300種のカードを収録しています。 ・古代文明 ・英雄と帝国の古代 ・騎士と城の中世 ・ルネサンスと大航海 ・革命と産業の時代 ・科学と発明の近現代 ピラミッドやパルテノン神殿といった建造物から、くさび形文字の粘土板、羅針盤、蒸気機関、初期のコンピュータまで。人物・建築・道具・書物・乗り物など、幅広い題材を集めました。 ■ 19世紀の博物図譜のような絵柄 すべてのカードは、銅版画に淡い手彩色をほどこした博物図譜風のイラストで描き下ろしています。レアリティによって額縁の意匠が変わり、超レアには金の装飾枠が付きます。 ■ 1日10回のガチャ ガチャは1日10回まで。連続ログインやクイズの正解でボーナスガチャがもらえます。少しずつコレクションが埋まっていく楽しみを、毎日どうぞ。 ■ クイズで知識を試す カードに関連した3択クイズに、1日1回3問挑戦できます。正解するとボーナスガチャを獲得。難問クイズパックを購入すると、さらに手ごたえのある問題に挑戦できます。 ■ 秘宝と賞状 ひとつの区分のカードを50種すべて集めると、その時代を象徴する「秘宝」のカードと、コンプリートの賞状が解放されます。ウルの黄金の竪琴、神聖ローマ帝国の帝冠、ボイジャーのゴールデンレコード。全6種の秘宝を目指してください。 ■ ダブったカードはポイントに 同じカードが出たら、ポイントに交換できます。貯めたポイントで、まだ持っていないカードと交換することも可能です。 ■ こんな方に ・世界史が好きな方、学び直したい方 ・図鑑やコレクションを埋めるのが好きな方 ・すきま時間に少しずつ遊べるアプリを探している方 ・お子さまと一緒に歴史に触れたい方 ■ 料金について 基本無料で遊べます。「古代文明」のカード50種とクイズは無料です。 その他の区分は「追加パック」から、難問クイズは「難問クイズパック」から、それぞれ買い切りで購入できます。継続課金や、ガチャ回数の課金はありません。 ■ ご注意 ・ゲームデータは端末内に保存されます。アプリを削除するとデータが失われる場合があります。 ・歴史上の出来事には諸説あります。本アプリは歴史に親しむことを目的としたゲームです。 姉妹アプリ「歴がちゃ」では、日本の歴史カードを集められます。
Screenshots
Verdict
Time Atelier and 歴がちゃ世界史編 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Time Atelier sells 4 in-app purchases, starting at $7.99 per month and 歴がちゃ世界史編 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
| Parameter | Time Atelier | 歴がちゃ世界史編 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 187 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | クリサク株式会社 | RYUNOSUKE NAKAMURA |
In-app purchases
Time Atelier
- Premium$7.991 Month
- Opening a Flower Shop$4.99
- Observatory on Starfall Hill$4.99
- Logbook$9.99
歴がちゃ世界史編
- 英雄と帝国の古代パック$1.99
- 騎士と城の中世パック$1.99
- ルネサンスと大航海パック$1.99
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- 革命と産業の時代パック$1.99
- 科学と発明の近現代パック$1.99
- 難問クイズパック$1.99









