Lepus Timer vs 言の葉箱 〜大切な手紙を簡単に記録〜
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lepus Timer
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Lepus Timer is a simple and cute time management app that lets you track time for each task with a countdown or count-up timer. Easy to use for everyone, from kids to adults. Studying, building skills, working out, working, reading— Why not see how much time you're really spending? By visualizing your time and goals, Lepus Timer helps you stay motivated and build better habits. ■ Features From quick tasks to long focus sessions, Lepus Timer fits all kinds of situations. ● Countdown & count-up Works for timed tasks and free-form tracking alike ● Focus time, breaks, and sets Perfect for the Pomodoro Technique and HIIT workouts ● Pre-start countdown (10, 5, or 3 seconds) ● Pre-end countdown alerts Set separately for focus, break, and session end ● Background music Stay relaxed while you focus *Full version lets you use your own MP3 files (up to 5 MB) ● Goal time and goal count for each task ● Add and edit your logs ● A plant that grows as you make progress ● A bunny that quietly cheers you on every day ● Works offline Your records are stored on your device ● Google Drive backup Keep your records when you switch devices (optional) ● Minimal notifications Only what you need, such as when a session ends ■ Recommended for ・Anyone who wants to work steadily toward a goal ・Anyone who wants to visualize their time and progress ・Anyone who likes simple apps with a touch of fun ・Anyone looking for an app that's genuinely useful for free ・Bunny lovers ■ Please note There are no social features for interacting with other users. (We intentionally left them out so that kids can use the app safely.) If you'd like to work alongside friends, another app may suit you better. ■ Contact We'd love to hear your feedback and requests. support+timer@sola-air.com *If you don't receive a reply, please check your spam folder or email settings. *For bug reports, email lets us help you faster than reviews.
言の葉箱 〜大切な手紙を簡単に記録〜
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「あの時もらった手紙、どこにしまったかな…?」 『手紙箱』は、そんなあなたの大切な思い出を、永遠に色褪せない宝物に変えるアプリです。 かさばる手紙やハガキを写真に撮るだけで、いつでも、どこでも、あの日の言葉を読み返すことができます。 ■ 簡単スキャンで、すっきり整理 たった数タップで、大切な手紙をデータとして保存。物理的な保管場所に悩むことなく、思い出をスマートに整理整頓できます。もう「捨てられない」と悩む必要はありません。 ■ 探したい言葉が、すぐに見つかる 独自の文字認識(OCR)技術で、写真に写った手書きの文字もテキスト化。 差出人はもちろん、「ありがとう」「おめでとう」といったキーワードで、思い出のメッセージを瞬時に検索できます。 ■ カレンダーで思い出を振り返る 「いつ、誰から」もらったかを記録し、カレンダーで表示。記念日や誕生日にもらった手紙を辿るなど、あなただけのライフログとしても楽しめます。 さあ、あなただけのかけがえのない宝箱を作りましょう。 □ その他情報 ・利用規約 https://tsuzukit.com/legal/terms-of-service.html ・プライバシーポリシー https://tsuzukit.com/legal/privacy-policy.html ・特定商取引法に基づく表示 https://tsuzukit.com/legal/commercial-law.html
Screenshots
Verdict
The clearest difference is update cadence: Lepus Timer at every 6 months against 言の葉箱 〜大切な手紙を簡単に記録〜's every 14 months. Lepus Timer also leads on iOS requirement (15.6 vs 17.0). 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
Both are free to download. Lepus Timer sells 1 one-off in-app purchase and 言の葉箱 〜大切な手紙を簡単に記録〜 sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Lepus Timer ships an update every 6 months, 言の葉箱 〜大切な手紙を簡単に記録〜 every 14 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.
| Parameter | Lepus Timer | 言の葉箱 〜大切な手紙を簡単に記録〜 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months — better | Every 14 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 72 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Sola, K.K. | Ryo Tsudukihashi |
In-app purchases
Lepus Timer
- Full Version (Permanent)$0.99
言の葉箱 〜大切な手紙を簡単に記録〜
- 1ヶ月プレミアムプラン1 Month trial$1.991 Month
- 1年間プレミアムプラン!1 Month trial$19.991 Year









