数学公式チェック vs Derivon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
数学公式チェック
Read full descriptionHide full description
高校数学公式集の新課程対応版です． 高校数学で必要なほとんどの公式（約200種類）を収録しています． カテゴリごとにフリックで画面の移動が可能！ 便利な検索機能付きで知りたい公式をすぐに確認できます． ご連絡はこちらのレビューではなくアプリ内のメール送信にてお知らせください． また、作成には注意を払っておりますが、内容に間違いや不具合がありましたら、メール送信にてお知らせください． 【作者からのお願い】 当アプリは皆様のご支援、ご声援で成り立っております． 使用して気に入っていただけた方はAppStoreへのレビューをお願いいたします． 評価をしていただけると今後の開発の励みとなり、今後のアップデートの意欲につながります．また、レビューへは温かい言葉をいただけると嬉しいです． 今後とも数学公式チェックをお願いいたします。
Derivon
Master calculus concepts like derivatives and integrals through daily, intuitive practice. Earn rewards, collect planets, and build streaks as you progress through challenges. Designed for quick, effective learning sessions.
- Daily calculus problem practice
- Earn Star Sand rewards
- Collect planets in Gallery
- Build and maintain daily streaks
- Rank-Up Challenges
- Shooting mode for breaks
Read full descriptionHide full description
Master calculus through daily practice. Solve derivatives and integrals by intuition — no overthinking, just repetition. • Swipe through problems and build your skills • Earn Star Sand with every correct answer • Spin the Gacha to collect planets in your Gallery • Build a daily streak — never break the chain • Take Rank-Up Challenges as you progress • Play Shooting mode for a quick break • Track your streak, level up, and earn rewards Whether you're preparing for AP Calculus, university exams, or just sharpening your math skills, Derivon makes practice feel like a space adventure. 3 minutes a day. That's all it takes. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: 数学公式チェック at 76% against Derivon's 0%. 数学公式チェック also leads on ads (none vs shown) and device support (3 vs 1). Derivon's advantage is update cadence (every 5 days vs every 2 weeks). On price and in-app purchases 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
Both are free to download. 数学公式チェック sells 1 one-off in-app purchase and Derivon sells 5 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
数学公式チェック ships an update every 2 weeks, Derivon every 5 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.
| Parameter | 数学公式チェック | Derivon |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Positive reviews | 75.8% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 6.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 8 MB | 206 MB |
| Age rating | 4+ | 4+ |
| Developer | Shinichiro Shiba | ABT合同会社 |
Customer experience
数学公式チェック
Derivon
In-app purchases
数学公式チェック
- 数学公式チェック広告削除$0.99
Derivon
- Derivon Super (Monthly)7 Days trial$1.991 Month
- Derivon Super (Yearly)7 Days trial$14.991 Year
- 5 Star Fragments$0.99
- 12 Star Fragments$1.99
- 32 Star Fragments$3.99
