Comparison

集中852 vs OhMyDueDate

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

集中852

Features
Read 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。

About

OhMyDueDate

Features
Read 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

集中8524 screens
OhMyDueDate3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 5 level
集中852 versus OhMyDueDate: the parameters behind the verdict, then further details
Parameter集中852OhMyDueDate
PriceFreeFree
Update frequency—Fortnightly
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.518.0 — better
Further details — not scored
Size1 MB24 MB
Age rating4+4+
DeveloperRyota KodaKaoru Tsukamoto

In-app purchases

None

集中852

No in-app purchases

None

OhMyDueDate

No in-app purchases

Questions

Is 集中852 free?
集中852 is free to download, with no in-app purchases.
Is OhMyDueDate free?
OhMyDueDate is free to download, with no in-app purchases.
Do 集中852 or OhMyDueDate have ads?
OhMyDueDate shows ads; 集中852 does not.

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