Comparison

Simple Headache Log vs みずメモリー

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

Head to head
About

Simple Headache Log

Easily log daily headaches by selecting pain level, weather, and potential causes. Analyze trends and identify triggers through simple charts and rankings. Record past data and manage custom pain factors.

Highlights
  • Easy pain logging with options
  • Analyze pain trends by weather and cause
  • Calendar view of daily pain levels
  • Add past headache data
  • Customizable pain causes and medicines
  • No login required
Features
Read full description

An app that allows you to record your daily headaches. Recommended for migraine sufferers and those who want to record their daily headaches and analyze the causes. Registration is very easy! Just select the pain level, weather, cause of pain, medicines you have taken from the options and press the save button. The simple operation allows for stress-free use. In case you forget to record the data, you can add past data from the "History" screen. In the "Analysis" screen, you can check the trend of pain by weather and the causes of pain in a ranking format, which is useful for analyzing the causes of headaches. ● Features ・Easy to use, just select from the options and register ("Cause of pain” and “Medicine” need to be added or deleted as needed). ・No need to log in. ・The calendar allows you to check the your daily pain level at a glance. ●Disclaimer This App is not medical or treatment advice. It is neither professional diagnosis, opinion or service – and may not be treated as such by the user. We strongly recommend that you consult your own physician or another available health professional regarding any diagnosis, findings or interpretation. ● Privacy Policy https://apps.seeds-digital.com/privacy-policy/ ● Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

みずメモリー

Features
Read full description

毎日の水分補給を、シンプルに続けるためのアプリです。 ■ 1 タップで記録 ホーム画面のボタン(200 / 350 / 500ml など、量は自由に変更可)を押すだけ。忘れた分は日時を指定して後から追加でき、記録はタップして編集できます。 ■ 今日の進捗がひと目で分かる 目標に対する達成率をリングで表示。今日の推移グラフで「いつ飲んだか」も確認できます。 ■ 続けたくなる履歴 7 日 / 30 日 / 任意の期間の棒グラフと、月ごとのカレンダー。目標を達成した日にはスタンプが付き、連続達成日数も表示します。 ■ 自分に合った目標 体重・年齢・性別・運動量から目標量の目安を計算できます(あくまで参考値です)。 ■ 水以外の飲み物も お茶・コーヒー・牛乳などを種類ごとに記録し、換算率で水分量として集計。種類や換算率は自由に編集できます。水だけを数えるモードにも切り替えられます。 ■ リマインダー 決めた時刻に通知。その日の目標を達成したら、残りの通知は届きません。 ■ プライバシー 記録はすべてこの iPhone の中にだけ保存され、外部に送信されません。アカウント登録も不要です。 ※ 本アプリが表示する目安量や換算率、通知内の情報は、公開されている一般的な情報に基づく参考値であり、医療上の助言ではありません。体調や持病に関する判断は医師にご相談ください。

Screenshots

Simple Headache Log4 screens
みずメモリー4 screens

Verdict

The call

The clearest difference is in-app purchases: みずメモリー at none against Simple Headache Log's 2. みずメモリー also leads on ads (none vs shown). Simple Headache Log's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price and update cadence 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. Simple Headache Log sells 2 in-app purchases, starting at $1.49 per month. みずメモリー asks for nothing beyond the download.

UpkeepUpdate frequency

Simple Headache Log ships an update every 3 days, みずメモリー every 2 days. The most recent releases landed on October 22, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Simple Headache Log versus みずメモリー: the parameters behind the verdict, then further details
ParameterSimple Headache Logみずメモリー
PriceFreeFree
Rating1.5 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 daysEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better18.0
Further details — not scored
Size56 MB1 MB
Age rating12+4+
DeveloperNAOYA ONOKoki Ogawa

In-app purchases

2 purchases

Simple Headache Log

Subscriptions1
  • Premium Plan$1.491 Month
One-time1
  • Support Developer$0.99
None

みずメモリー

No in-app purchases

Questions

Is Simple Headache Log free?
Simple Headache Log is free to download, with in-app purchases available.
Is みずメモリー free?
みずメモリー is free to download, with no in-app purchases.
Do Simple Headache Log or みずメモリー have ads?
Simple Headache Log shows ads; みずメモリー does not.
Which is updated more often, Simple Headache Log or みずメモリー?
Simple Headache Log ships an update every 3 days, and みずメモリー every 2 days. Most recently, Simple Headache Log was updated on October 22, 2026 and みずメモリー on October 31, 2026.

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