Calculator PanecalST Plus vs Dual Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator PanecalST Plus
This calculator app allows you to view and edit complex formulas with ease. It prevents errors by letting you check input as you go and reuse past calculations by modifying values. Navigate and edit expressions quickly with a cursor and intuitive controls.
- Formula editing with cursor
- Re-calculation using history
- Time, tax, and percentage calculations
- Cut, copy, and paste functionality
- Expression and answer history
- Customizable settings
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This is calculator app that allows you to display and modify formulas. It allows you to enter formulas while checking them, which prevents you from typing incorrectly or making calculation errors. It is also possible to reuse past formulas to change only certain values to calculate them. The cursor indicates on the display, and you can tap or press the arrow keys to quickly navigate to where you want to edit. It has a powerful, flexible and intuitive user interface with support for swiping to scroll through formulas and long-tap to copy and paste. [ Features ] - Easy operation for editing formulas - Re-calculation by using history - Four arithmetic operations, root, percentages, time, tax and parentheses calculations - Memory, M+, M-, MR, MC - Scroll up/down lines - Cut, copy and paste - Expressions history and answer history - Grouping separator and decimal point - Various settings (Long tap MENU key) [ What do you use "Calculator" for ] - General calculator - Tax and VAT - Sales, profit and cost - Split a payments at restaurant - Long formulas calculation - Formula include parenthesis - Elapsed time, time addition and subtraction, production time, costing from time [ Four arithmetic operations ] 1 + 2 - 3 × 4 ÷ 5 = 0.6 [ Time calculation ] 16:15 - 12:45 = 3:30:00 1.5 × (16:15 - 12:45) = 5:15:00 Press [H:M:S] key for changing value after calculation. =5.25 [ Root calculation (Long press)] √( 2 × 2) = 2 [ Percentage calculation ] 500 + 20% = 600 500 - 20% = 400 500 × 20% = 100 100 ÷ 500% = 20 [ Tax calculation ] 500 Tax+ = 525 525 Tax- = 500 [ Parenthesis calculation ] ( 1 + 2 ) × ( 3 + 4 ) = 21 ( 1 + 2 ) ( 3 + 4 ) ( 5 + 6 ) = 231 [ Grouping separator and decimal point ] 123,456,789.1 + 0.02 = 123,456,789.12 123.456.789,1 + 0,02 = 123.456.789,12 (Depends on setting) [ Display ] Calculator indicates long expressions on the display. If you may mistake to input expressions, you can correct this expressions easily and quickly using by back space key, arrow keys and C(clear) key. [ Re-play and history functions ] Calculator has "Re-play function". It indicates expressions that you inputted in the recently using by △(re-play)key. If you long-press re-play key, expressions history table is available. [ Last answer and history functions ] Last answer is that indicates the last calculation result by using Ans key. If you long-press Ans key, a last answer history table is available. [ Percent calculator ] If you would like to calculate “20% more $50”, you can input 50+20% and get a result. [ Tax calculator ] This calculator can store tax rate in the setting. And you can get price including / excluding tax easily and quickly using by Tax+/Tax- keys. [ Disclaimer ] Please note in advance that Appsys is not responsible for any damage or lost profits caused by the use of this software, or any claims from third parties.
Dual Timer
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Dual Timer は、上下に2つのタイマーを表示できるシンプルなタイマーアプリです。 カウントアップ/カウントダウンの切り替え、時間設定、赤表示しきい値などを用途に合わせて調整できます。 現在時刻を表示し、指定した時刻にベルを鳴らすことも可能です。 上下それぞれ個別にスタート/ストップ/リセット 両方同時のスタート/ストップ/リセットに対応 外部ディスプレイ(USB-C接続)へタイマー表示を出力可能 黒背景+大きな数字で視認性重視 指定した時間にベルを鳴らします(3回まで対応) 授業、プレゼン、発表会、会議、トレーニング、試合運用など、時間管理が必要な場面で活躍します。
Screenshots
Verdict
The clearest difference is price: Dual Timer at Free against Calculator PanecalST Plus's $1.99. Dual Timer also leads on update cadence (every 5 days vs every 4 months). Calculator PanecalST Plus's advantage is iOS requirement (12.0 vs 17.6). On 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
Dual Timer is free to download; Calculator PanecalST Plus costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Calculator PanecalST Plus ships an update every 4 months, Dual Timer every 5 days. The most recent releases landed on October 23, 2026 and October 11, 2026 respectively.
| Parameter | Calculator PanecalST Plus | Dual Timer |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.9 (16 ratings) — better | — |
| Positive reviews | 82.4% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 17 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Noriyasu Kutsuzawa | kiyoshi yamamoto |
In-app purchases
Calculator PanecalST Plus
No in-app purchases
Dual Timer
No in-app purchases
Questions
Is Calculator PanecalST Plus free?
Is Dual Timer free?
Do Calculator PanecalST Plus or Dual Timer have ads?
Which is updated more often, Calculator PanecalST Plus or Dual Timer?
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