極限ガチャ vs Unit Gacha !
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
極限ガチャ
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極限ガチャとは,おいしい数学サイト内から発祥した高校数学の数学Ⅲの極限計算をランダムで5題出題するサービスです(iPhone,iPad両対応). 当アプリ版には,サイト内のweb版極限ガチャと比較し以下の特徴があります. 1.Web版よりも問題数増加.ガチャの組み合わせは現在23528232通り(web版は3759210通り) 2.ガチャ回し放題,時間制限無し 3.上級のみスイッチ((5)で必ず上級が出るようにできます) 4.追加情報記載(出典や問題の背景となる関連情報が記載されています) 5.タイマー搭載(ガチャを回してから100分まで計測可能で,タイムアタックにご利用できます) 6.新出問題判定機能(新出問題か既出問題かの判別ができます) 7.マーク機能(正解した問題等にタップすることでマーキングすることができます) 8.広告無し 9.初級〜上級の排出問題情報(問題と解答一覧付属.問題のTeXファイル付き) 10.アプリ向けに改善されたおいしい数学極限のページへのリンク(数学Ⅲ極限未習者でも1から勉強できます) 11.計算用紙機能(Apple純正のPencilKit使用でアプリ内で遅延なく筆記可能,特にiPadでアプリ内で快適に計算できます) 12.ダークモード対応(端末に合わせて自動でライトモードとダークモードの切り替えをします) 初めての方はまず「極限ガチャ」でGoogle検索しておいしい数学内にあるweb版やその他のガチャシリーズを無料でご利用し,体験してみてください. X(Twitter)で「漸化式ガチャ」「積分ガチャ」「極限ガチャ」でも是非検索ください. 1度の購入でiPhone,iPad両方でダウンロードして使えるユニバーサルアプリです. おいしい数学X(Twitter)アカウント @oicmath にて,随時開発の情報発信や質問対応等行っております. ※最新のiOS,iPadOSにアップデートできない端末は動作保証できませんのでご注意ください. ※当ページ下部の,デベロッパWebサイトのリンクからもアプリの詳細が確認できます.
Unit Gacha !
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◆ Learn Physics Units with a Fun Gacha System Physics Units Gacha lets you practice unit breakdown, unit conversions, and fundamental physical quantities through randomly generated problems. Just tap to get a new question and continue learning at your own pace. ◆ Covers Essential Physics Units Practice and review a wide range of physics units: Mechanics (force, energy, momentum, pressure) Electricity & magnetism (voltage, resistance, charge, field strength) Waves & thermodynamics Derived units SI base units & physical constants Designed for students who want to study physics through units. ◆ Focused Explanations Where Needed Some problems include short explanations that show how units are derived from formulas. ◆ Random Practice Questions are generated randomly, allowing you to encounter various unit patterns and practice repeatedly. ◆ Simple Learning Features In-app scratch paper Learning progress is saved locally, and can be synchronized to the cloud when you sign in. Suitable for both quick review and focused practice sessions. ◆ For High-School Physics & Introductory University Courses A learning app designed to support the study of physics units for exams and fundamental review. ◆ Free to Use (Optional Paid Content) Approximately 70 problems are available for free Additional problem sets are available as optional paid upgrades
Screenshots
Verdict
The clearest difference is price: Unit Gacha ! at Free against 極限ガチャ's $5.99. Unit Gacha ! also leads on iOS requirement (13.0 vs 17.0). 極限ガチャ's advantage is in-app purchases (none vs 2). On update cadence, 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
Unit Gacha ! is free to download; 極限ガチャ costs $5.99 up front. Unit Gacha ! sells 2 one-off in-app purchases. 極限ガチャ asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on August 21, 2026 and June 19, 2026 respectively.
| Parameter | 極限ガチャ | Unit Gacha ! |
|---|---|---|
| Price | $5.99 | Free — better |
| Positive reviews | 75.0% of reviews | — |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Akira Hiraoka | Shunsuke Nakamura |
In-app purchases
極限ガチャ
No in-app purchases
Unit Gacha !
- Unlock all mechanics problems$5.99
- Unlock all electromagnetic problems$5.99









