Comparison

日記と体重 vs MetaboLog

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

Head to head
About

日記と体重

Easily log daily entries, weight, and body fat percentage with a calendar interface. Track your progress visually with customizable graphs and review past records. Stay motivated with reminders and personalize your experience with theme colors.

Highlights
  • Calendar-based logging
  • Weight and body fat percentage tracking
  • Monthly average weight display
  • Customizable progress graphs
  • Searchable diary history
  • Theme color customization
  • Recording reminders
Features
Read full description

■カレンダー機能 日付選択で簡単に日記と体重、体脂肪率を入力できます。また月の平均体重、先月の体重、去年の体重も表示されます。 ■体重グラフ機能 入力した体重を1ヶ月、3ヶ月、6ヶ月、1年の期間でグラフ表示できます。また選択期間の平均体重も表示されます。一目で体重の変化を確認できます! ■日記一覧機能 月毎に日記を検索して、一覧で確認できます。何年も前の日記でもすぐに検索して確認できます! ■テーマカラー 全部で12色から選択できます。ぜひ好きなカラーを選んでみてください! ■通知機能 記録忘れを防ぎます!ぜひ通知をオンにしてご利用ください!

About

MetaboLog

Features
Read full description

"Full-on dieting is exhausting. But I'd like to be just a little more mindful." Metabolog is a simple weight tracking app for diet and health care — made for exactly that feeling. Log your weight quickly, glance at the graph, and you're done. Easy weight management that fits into your daily health routine. **Your buddy Metabolog Man cheers you on** Every time you log your weight, Metabolog Man has something to say. Lost weight? Gained a little? Hit your goal? Haven't opened the app in a while? He responds differently to each situation, with multiple phrases that appear at random. He never lectures you — he just quietly roots for you. Prefer a cleaner look? Hide him in settings. **Keep the streak going — he gets emotional** Hit a milestone and Metabolog Man has something special to say. We'll leave it at that. **Features** · Quick weight logging (pick any date, so you can catch up on missed days) · See your change from last time and distance from your goal at a glance · Graph view with flexible time ranges (All / 1 Year / 1 Month / 1 Week) · Highlights for max and min weight within the selected period · Special messages at streak milestones · Edit or delete past entries · Set a target weight · Switch between kg and lb · Available in Japanese and English Use it as part of your diet, health care, or daily weight management. **Perfect for you if...** · You want a relaxed way to track diet and health · You can't log every single day, but want to check in occasionally · You just want to see the rough trend, not obsess over details · You prefer relaxed, pressure-free goal-setting · You like health apps that are clean and easy to use All data is stored locally on your device — works offline, no account required. Let's build that "little by little" diet and health care habit together.

Screenshots

日記と体重4 screens
MetaboLog4 screens

Verdict

The call

The clearest difference is update cadence: MetaboLog at every 2 days against 日記と体重's weekly. On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

日記と体重 ships an update weekly, MetaboLog every 2 days. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

Scorecard1 real difference · 7 level
日記と体重 versus MetaboLog: the parameters behind the verdict, then further details
Parameter日記と体重MetaboLog
PriceFreeFree
Positive reviews75.0% of reviews—
Update frequencyWeeklyEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size30 MB21 MB
Age rating4+12+
DeveloperYuya OhnoToshimasa Ueki

In-app purchases

None

日記と体重

No in-app purchases

None

MetaboLog

No in-app purchases

Questions

Is 日記と体重 free?
日記と体重 is free to download, with no in-app purchases.
Is MetaboLog free?
MetaboLog is free to download, with no in-app purchases.
Do 日記と体重 or MetaboLog have ads?
Neither 日記と体重 nor MetaboLog shows ads.
Which is updated more often, 日記と体重 or MetaboLog?
日記と体重 ships an update weekly, and MetaboLog every 2 days. Most recently, 日記と体重 was updated on October 24, 2026 and MetaboLog on October 5, 2026.

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