N'Back 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.
N'Back
Enhance sensory and working memory with this brain training application. It offers various modes to test your ability to recall sequences of numbers, progressing through different 'N' levels.
- Sensory memory improvement
- Working memory enhancement
- N'Back exercises
- Flash Mode
- Slow Mode
- Step Mode
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Improve Sensory Memory & Working Memory using N'Back. ◆Flash Mode / Slow Mode / Step Mode Tap the number key matches the one from N steps earlier in the sequence. In 1'Back 1 task1: count & memorize 2 task2: count & memorize 3 __keyboard__: answer for task1 4 task3: count & memorize 5 __keyboard__: answer for task2 6 task4: count & memorize : In 2'Back 1 task1: count & memorize 2 task2: count & memorize 3 task3: count & memorize 4 __keyboard__: answer for task1 5 task4: count & memorize 6 __keyboard__: answer for task2 7 task5: count & memorize :
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。
Screenshots
Verdict
The clearest difference is price: N'Back at Free against 産業廃棄物処理検定対策 500問's $3.99. 産業廃棄物処理検定対策 500問's advantage is in-app purchases (none vs 1) and ads (none vs shown). On iOS requirement 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
N'Back is free to download; 産業廃棄物処理検定対策 500問 costs $3.99 up front. N'Back sells 1 one-off in-app purchase. 産業廃棄物処理検定対策 500問 asks for nothing beyond the download.
N'Back ships an update every 9 months, 産業廃棄物処理検定対策 500問 every 3 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.
| Parameter | N'Back | 産業廃棄物処理検定対策 500問 |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 4.0 (3 ratings) — better | — |
| Positive reviews | 70.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 9 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 6 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Yasuyoshi Ota | satoshi yoshida |
In-app purchases
N'Back
- Add Levels (3'Back-10'Back) and Remove Ads$2.99
産業廃棄物処理検定対策 500問
No in-app purchases
Questions
Is N'Back free?
Is 産業廃棄物処理検定対策 500問 free?
Do N'Back or 産業廃棄物処理検定対策 500問 have ads?
Which is updated more often, N'Back or 産業廃棄物処理検定対策 500問?
Other comparisons
