寿命カウントダウン日記|人生時計 vs Lastgrain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
寿命カウントダウン日記|人生時計
This app helps you visualize your remaining lifespan and reflect on your day through guided journaling and AI insights. It encourages you to make the most of your time and find fulfillment in your daily choices. Features include countdowns, daily reflections, and personalized AI summaries.
- Lifespan countdown visualization
- Guided daily reflection journal
- AI-powered insights and summaries
- Home screen widgets
- Daily habit reminders
- Dark mode support
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「このままでいいのかな」 ふと、そう思うことはありませんか? PivotLogは、人生の残り時間を見える化し、3つの問いの日記とAIの振り返りで、今日を少しだけ見つめ直すライフログアプリです。 --------------------------- 【機能一覧】 ■ 寿命カウントダウン ・人生の残りの時間をカウントダウンします ・プログレスバーや円形プログレス、ライフカレンダーで視覚的に確認できます ■ 日記 ・「今日、良かったこと」「今日、少し後悔していること」「明日、大切にしたいこと」の3つの質問で1日を振り返ります ■ ウィジェット ・毎日ホーム画面で人生の残り時間を意識できます ・自分で入力したテキストも表示可能です ■ AI機能 ・日記の内容をもとに、AIが気づきを引き出すメッセージを届けます ・1週間・1ヶ月分の日記をAIがまとめ、自分では気づきにくい傾向や変化を見つけます(プレミアムプラン) ■ リマインダー ・設定した時刻にそっと通知が届き、毎日の小さな習慣を後押しします ■ テーマ ・ダークモードにも対応しています --------------------------- 【こんな方におすすめ】 ・「自分の人生このままでいいのかな」と思っているが、何をしていいのか分からない方 ・漠然とした不安や焦りを感じることがある方 ・人生をより充実させたい方 ・日々の選択に納得感を持ちたい方 --------------------------- 【利用規約・プライバシーポリシー】 利用規約:https://pivotlog.app/terms プライバシーポリシー:https://pivotlog.app/privacy
Lastgrain
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Lastgrain is a life timer that shows the time you have lived and the time you have left based on your birth date and expected lifespan. It quietly visualizes the passage of your life through an hourglass and numerical displays. This app does not make predictions. It is not intended for medical diagnosis or statistical life expectancy forecasting. It simply displays the passage of time in a visible form based on the values you enter. Main features - Display elapsed time and remaining time - Show overall progress as a life timer - Toggle seconds on / off - Support Light / Dark / System theme - Home Screen widget support - Store input data locally on your device Rather than pushing you with notifications or flashy effects, Lastgrain is designed to offer a quiet experience of observing time through an hourglass and numbers. It is not primarily for time management or productivity, but for gently reconnecting you with your sense of time. Please note - Displayed values are calculated based on your input and your device’s current time - This app does not provide medical or statistical predictions - If you find it emotionally overwhelming, please discontinue use
Screenshots
Verdict
The clearest difference is in-app purchases: Lastgrain at none against 寿命カウントダウン日記|人生時計's 2. 寿命カウントダウン日記|人生時計's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, ads 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. 寿命カウントダウン日記|人生時計 sells 2 in-app purchases, starting at $3.99 per month. Lastgrain asks for nothing beyond the download.
寿命カウントダウン日記|人生時計 ships an update every 3 weeks, Lastgrain monthly. The most recent releases landed on September 19, 2026 and August 31, 2026 respectively.
| Parameter | 寿命カウントダウン日記|人生時計 | Lastgrain |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 90 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | KENGO MURATA | Takafumi Kawano |
In-app purchases
寿命カウントダウン日記|人生時計
- PivotLog プレミアム7 Days trial$3.991 Month
- PivotLog プレミアム7 Days trial$29.991 Year
Lastgrain
No in-app purchases





