集中852 vs OhMyDueDate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
集中852
Read full descriptionHide full description
Focus852 – 音の力で、心を静める Focus852は、ソルフェジオ周波数・脳波同調サウンド・ノイズサウンドを再生し、瞑想・休憩・学習・睡眠など多様なシーンで活用できる音響アプリです。 174Hz〜963Hzのソルフェジオ周波数 デルタ〜ガンマまでの脳波帯域サウンド ホワイト/ピンク/ブラウンノイズ シンプルな再生ボタンとタイマー機能 グラデーション背景と波形アニメーション 心を落ち着けたい時、集中したい時、安らぎたい時。 あなたの日常に、静かな音の空間をお届けします。 ※医療的な効果を保証するものではありません。リラクゼーション目的でご利用ください。
OhMyDueDate
Read full descriptionHide full description
OhMyDueDate is a simple day counter for your important dates. You can register up to three events, and the nearest upcoming date is automatically highlighted first. When the day arrives, it shows “Today,” and for past dates it shows “Days since” for clarity. It supports both Japanese and English and switches automatically based on your device language. Key features ・Register up to 3 events ・Auto‑prioritize the nearest upcoming date ・Clear display: Days left / Today / Days since Japanese & English support (auto by device language) Keep it simple and focus on what matters. Use it for everyday plans or special milestones.
Screenshots
Verdict
The clearest difference is ads: 集中852 at none against OhMyDueDate's shown. On price, in-app purchases, device support and 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | 集中852 | OhMyDueDate |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.5 | 18.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryota Koda | Kaoru Tsukamoto |
In-app purchases
集中852
No in-app purchases
OhMyDueDate
No in-app purchases









