Comparison

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.

Head to head
About

Mental Math for Work

Features
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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/

About

産業廃棄物処理検定対策 500問

Features
Read full description

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。

Screenshots

Mental Math for Work4 screens
産業廃棄物処理検定対策 500問4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 2 level
Mental Math for Work versus 産業廃棄物処理検定対策 500問: the parameters behind the verdict, then further details
ParameterMental Math for Work産業廃棄物処理検定対策 500問
PriceFree — better$3.99
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size15 MB34 MB
Age rating4+4+
DeveloperShota Moriokasatoshi yoshida

In-app purchases

2 purchases

Mental Math for Work

Subscriptions1
  • Premium Monthly$1.991 Month
One-time1
  • Premium Lifetime$9.99
None

産業廃棄物処理検定対策 500問

No in-app purchases

Questions

Is Mental Math for Work free?
Mental Math for Work is free to download, with in-app purchases available.
Is 産業廃棄物処理検定対策 500問 free?
産業廃棄物処理検定対策 500問 costs $3.99, with no in-app purchases.
Do Mental Math for Work or 産業廃棄物処理検定対策 500問 have ads?
Neither Mental Math for Work nor 産業廃棄物処理検定対策 500問 shows ads.
Which is updated more often, Mental Math for Work or 産業廃棄物処理検定対策 500問?
Mental Math for Work ships an update weekly, and 産業廃棄物処理検定対策 500問 every 3 weeks. Most recently, Mental Math for Work was updated on September 10, 2026 and 産業廃棄物処理検定対策 500問 on September 7, 2026.

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