Mental Math for Work vs 産業廃棄物処理検定対策 500問
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mental Math for Work
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Mental Math for Work helps you practice quick estimates for meetings, sales calls, planning reviews, product discussions, and case interviews. Train with business-context drills for gross margin, discounts, KPI, CVR, CPA, SaaS metrics, workload estimates, sales tax estimates, and engineering rough calculations. Features - Choose a daily goal of 3, 5, 7, or 10 questions - See your next practice plan and optionally enable a next-day reminder - Role-based courses for sales, PM/PdM, planning, engineering management, retail/e-commerce, case interviews, and basics - Category practice for the work math you need most - Estimate OK judgment for practical ranges, not only exact answers - Weak-point review, time attack, and meeting mode - Accuracy, speed, estimate OK rate, and category trends Start with the free daily quest. Premium unlocks category practice, weak-point review, speed training, meeting mode, and detailed progress insights. Build the number reflexes you need at work, one short session at a time. Terms of Use: https://shigoto-no-anzan.pages.dev/legal/terms/ Privacy Policy: https://shigoto-no-anzan.pages.dev/legal/privacy/ Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
産業廃棄物処理検定対策 500問
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産業廃棄物処理検定の対策クイズアプリです。 本番を想定したオリジナル問題500問を収録。章別学習・ランダム演習・模擬試験で効率的に合格を目指せます。 【収録内容】 ・全500問、四肢択一形式 ・全問に詳しい解説付き ・章別の学習進捗トラッキング ・間違えた問題の自動復習リスト+ブックマーク ・模擬試験モードで実戦演習 【アプリの特長】 ・完全オフライン動作(通信不要) ・アカウント登録・ログイン不要 ・広告なし、追加課金なし(買い切り型) ・データ収集は一切行いません ※本アプリは非公式の学習支援アプリであり、試験実施団体とは一切関係ありません。収録問題は公開情報に基づき独自に作成したオリジナル問題です。 通勤・通学などのスキマ時間の学習に。産業廃棄物処理検定の合格対策にお役立てください。
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Verdict
The clearest difference is price: Mental Math for Work at Free against 産業廃棄物処理検定対策 500問's $3.99. Mental Math for Work also leads on update cadence (weekly vs every 3 weeks). 産業廃棄物処理検定対策 500問's advantage is in-app purchases (none vs 2) and iOS requirement (15.1 vs 18.0). On 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
Mental Math for Work is free to download; 産業廃棄物処理検定対策 500問 costs $3.99 up front. Mental Math for Work sells 2 in-app purchases, starting at $1.99 per month. 産業廃棄物処理検定対策 500問 asks for nothing beyond the download.
Mental Math for Work ships an update weekly, 産業廃棄物処理検定対策 500問 every 3 weeks. The most recent releases landed on September 10, 2026 and September 7, 2026 respectively.
| Parameter | Mental Math for Work | 産業廃棄物処理検定対策 500問 |
|---|---|---|
| Price | Free — better | $3.99 |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 15 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Shota Morioka | satoshi yoshida |
In-app purchases
Mental Math for Work
- Premium Monthly$1.991 Month
- Premium Lifetime$9.99
産業廃棄物処理検定対策 500問
No in-app purchases





