calculator DUO vs 快速计算器QuickCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
calculator DUO
Perform calculations with one hand by repositioning the keypad. Save and reuse past results, and easily correct input with swipe gestures. Handles everyday math, scientific functions, and date/time calculations.
- One-handed keypad adjustment
- Save and reuse past results
- Swipe to delete/correct input
- Scientific and everyday functions
- Date and time calculations
- Customizable themes and languages
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Calculate comfortably with one hand. Put past answers to work. Move the keypad within thumb reach, reuse saved results with a tap, and swipe to correct your input. Handle everyday math, scientific functions, dates and time in one place. WITHIN THUMB REACH Move and resize the left- or right-hand keypad to suit your grip. KEEP THE ANSWERS YOU NEED Save useful results on a visual shelf. Tap to reuse them, recall your last answer, or search your calculation history and mark favorites. CORRECT INPUT WITH CONFIDENCE Swipe to delete a digit or function. The deleted content stays visible until your next input; tap the return button to undo the deletion. FROM EVERYDAY TO SCIENTIFIC Use arithmetic, percentages, powers, roots, logarithms and trigonometric functions. Long-press a result for a large display, with adjustable text, color, font and size. MAKE IT YOURS Five themes, optional digit grouping and an interface in 50 languages. No account is required. Expressions, saved results and calculation history are stored on your device. DATES AND TIME, TOO Find the time between two dates, add or subtract days and hours, and calculate across time zones. The free app may show banner ads. Remove Ads is an optional one-time purchase, with purchase restoration through the same Apple Account.
快速计算器QuickCalc
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快速计算器 — 轻松算出你的每一步 想要一款界面简洁、操作流畅、功能实用的计算器？ 快速计算器帮你快速完成日常计算，无论是简单加减乘除，还是小数运算，都能精准无误。 极简设计，操作直观 响应快速，不卡顿 支持正负数、小数切换 历史记录自动保存，方便查看 无广告，纯净体验 无论是学生、职场达人，还是财务工作者，快速计算器都是你不可或缺的小助手！ 现在就下载，体验飞快的计算速度，让数字更简单！
Screenshots
Verdict
The clearest difference is in-app purchases: 快速计算器QuickCalc at none against calculator DUO's 1. 快速计算器QuickCalc also leads on ads (none vs shown) and update cadence (every 3 days vs every 11 days). On price, device support and iOS requirement 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. calculator DUO sells 1 one-off in-app purchase. 快速计算器QuickCalc asks for nothing beyond the download.
calculator DUO ships an update every 11 days, 快速计算器QuickCalc every 3 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | calculator DUO | 快速计算器QuickCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 11 days | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.5 | 15.6 — better |
| Further details — not scored | ||
| Size | 18 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Wenbin lei | pan yuan |
In-app purchases
calculator DUO
- Remove Ads$1.99
快速计算器QuickCalc
No in-app purchases
