因数分解特訓《初級編》 vs Derivon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
因数分解特訓《初級編》
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簡単な因数分解を、素早く解けるようになるための特訓アプリです。 100問以上の中からランダムに10問出題されます。1問10点ですが、解答時間に応じて得点が上下します。 四角いマスに値を入れて「解答確定」をタップすると次の問題に移ります。 左下と右下の矢印ボタンで修正ができます。 答えが分からない時は、そのまま「解答確定」をタップすると、不正解として次の問題に移ります。
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
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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/
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Verdict
The clearest difference is review sentiment: 因数分解特訓《初級編》 at 92% against Derivon's 0%. 因数分解特訓《初級編》 also leads on in-app purchases (none vs 5) and ads (none vs shown). On price 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
Both are free to download. Derivon sells 5 in-app purchases, starting at $1.99 per month. 因数分解特訓《初級編》 asks for nothing beyond the download.
| Parameter | 因数分解特訓《初級編》 | Derivon |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Positive reviews | 91.9% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 5 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 7.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 3 MB | 206 MB |
| Age rating | 4+ | 4+ |
| Developer | SATORU MATSUSHITA | ABT合同会社 |
Customer experience
因数分解特訓《初級編》
Derivon
In-app purchases
因数分解特訓《初級編》
No in-app purchases
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
