N vs 集客の森
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
N
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I wanted to play "Oni Keisan" on my iPhone! That's why I created this N-Back brain training app. What is this training? Solve calculations while remembering the answers from a few questions back. Juggling "memorizing" and "calculating" at the same time gives your brain a real workout. Features ◆ Two Input Modes - Tap Mode: Quickly tap the answer - Handwriting Mode: Write numbers directly ◆ Build Daily Habits - Set daily play goals - Track your streak - Record how you're feeling today ◆ Track Your Progress - Accuracy trends - Level-up history - Play history ◆ Customize Your Way - Adjust question count & time limits - 3 color themes - iPhone & iPad support Perfect For - Those who want to play Oni Keisan without a dedicated game console - Anyone looking for a quick mental exercise - People who want to build a daily habit Just 5 minutes a day. A casual brain training experience.
集客の森
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AIを活用したビジネス成果の最大化を支援するアプリです。情報発信、ブログ、SNS、商品企画、セールス導線設計など、事業運営に必要な制作・分析プロセスをAIで効率化します。単なる自動生成ではなく、ユーザー固有の文体・世界観を学習した“再現性の高いアウトプット”を実現。文章、台本、企画書、クリエイティブ制作まで幅広く対応し、AI特有の機械的な印象を抑えつつ、生産性を飛躍的に向上させます。ビジネス現場で即使える実践的なAI活用を提供するアプリです。
Screenshots
Verdict
The clearest difference is in-app purchases: 集客の森 at none against N's 1. 集客の森 also leads on ads (none vs shown) and iOS requirement (13.0 vs 26.0). N's advantage is update cadence (every 4 days vs every 3 weeks). 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. N sells 1 in-app purchase, starting at $0.99 per month. 集客の森 asks for nothing beyond the download.
N ships an update every 4 days, 集客の森 every 3 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.
| Parameter | N | 集客の森 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | chunson yamada | creafons.k.k |
In-app purchases
N
- 1ヶ月プラン$0.991 Month
集客の森
No in-app purchases









