PractiCalculator vs LeafTimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PractiCalculator
Read full descriptionHide full description
『PractiCalc』はシンプルで実用的な電卓アプリです! メモリー機能、グランドトータル機能、定数計算機能を活用した高度な計算が可能ですので経理実務や、簿記、税理士、公認会計士の勉強をされている方にも最適です! ※広告が表示されます。 ※電卓操作はカシオ方式を採用しています。 ※iOS13以上が必要です。 機能一覧 ・12桁大型表示 ・四則計算(+,-,×,÷) ・メモリー(M+,M-,MR,MC)計算 ・グランドトータル(GT)計算 ・ルート(√)計算 ・パーセント(%)計算 ・2つの税率計算(税率は設定可能) 軽減税率対応 ・ラウンドセレクター F(端数処理なし)、CUT(切り捨て)、 UP(切り上げ)、5/4(四捨五入) ・小数点セレクター 0〜5桁より選択(Fの時は無効) ・サインチェンジ(+/-) ・シフトキー(▷) ・接触(バイブレーション)のON、OFF ・iOS13のダークモードに対応 ・色は10色から選択できます ・iPad版は、Split View、Slide Over対応
LeafTimer
Read full descriptionHide full description
LeafTimer is a simple Pomodoro timer that helps you build a focus habit. As you keep focusing, a small leaf grows into a big tree. Features - Pomodoro timer: alternate focused work and short breaks - Custom durations: 5 to 60 minutes of work, 1 to 10 minutes of break - Background sounds: rain, river, three BGM tracks, or silence - Notifications when a work or break session ends, even when the app is closed - History: current streak, longest streak, total sessions, and the last 7 days - Haptic feedback and vibration - VoiceOver and Dynamic Type support What is the Pomodoro Technique? A time management method that repeats 25 minutes of focused work followed by a 5-minute break. Short, regular breaks help you stay focused and reduce fatigue. Great for - Working from home - Studying for exams - Staying focused on projects - Improving your time management Your session history is stored only on your device.
Screenshots
Verdict
The clearest difference is iOS requirement: PractiCalculator at 13.0 against LeafTimer's 17.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
PractiCalculator ships an update monthly, LeafTimer every 3 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | PractiCalculator | LeafTimer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Tsutomu Nagai | Shinya Ema |
In-app purchases
PractiCalculator
No in-app purchases
LeafTimer
No in-app purchases









