Comparison

Calctan vs 音随补光灯

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calctan

This sophisticated calculator app offers a minimalist design with advanced mathematical functions and extensive personalization options. It seamlessly syncs across devices and includes multitasking features for enhanced productivity.

Highlights
  • Intuitive minimalist design
  • 100+ customizable themes
  • 47 advanced mathematical functions
  • Automatic calculation history
  • iCloud sync across devices
  • Split Screen and Swipe Mode multitasking
  • Share calculations easily
Features
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Calctan is a sophisticated calculator app designed for iOS devices (iPhone and iPad), celebrated for its elegant, minimalist design and robust functionality that surpasses traditional calculators. Tailored for students, professionals in mathematics, physics, engineering, and anyone seeking a highly customizable and intuitive calculation tool, Calctan combines advanced mathematical capabilities with a seamless user experience. Its sleek interface and extensive personalization options make it both a practical tool and a visually appealing addition to your device. The app’s commitment to user-centric design is evident in its seamless integration with iOS ecosystems. With iCloud sync, your calculations and preferences are always up-to-date, whether you’re switching between devices or collaborating on the go. Features like Split Screen and Swipe Mode empower iPad users to maximize productivity, while the ability to share calculations fosters effortless communication. Calctan is more than a calculator—it’s a dynamic, adaptable tool that elevates your calculation experience with style, precision, and efficiency. Key Features: 1. Intuitive Design: Calctan’s clean, minimalistic interface prioritizes usability, presenting essential calculator elements in a clear, distraction-free layout that ensures effortless navigation and operation. 2. Personalized Interface: Choose from 100 pre-installed themes or craft a unique look with a custom color picker. Fine-tune button corner radius, spacing, and layout to optimize comfort and readability, allowing the app to reflect your personal style. 3. Advanced Math: Access 47 powerful functions, including trigonometric operations (sine, cosine, tangent, and their inverses), percentages for budgeting, exponents, logarithms (base-10, natural, base-2), and roots (square, cube). Switch between degrees and radians, compute factorials for permutations, or use absolute values and reciprocals—perfect for scientific, technical, and financial calculations. 4. Calculation History: Automatically saves and organizes your calculations, enabling you to revisit, edit, or reuse past results with ease, streamlining complex workflows. 5. iCloud Sync: Seamlessly syncs calculations and customizations across your iPhone and iPad, ensuring a consistent and cohesive experience across all your devices. 6. Multitasking Modes: - Split Screen Mode: On iPad, use Calctan alongside another app, such as performing calculations while referencing a document or spreadsheet. - Swipe Mode: Access a second app at the bottom of the screen while keeping Calctan active at the top, enhancing productivity for multitasking users. 7. Share Calculations: Share results effortlessly via email, text, or other apps, making collaboration and communication quick and convenient. Additional Highlights: • Library of basic mathematical constants • Random color theme generator for creative inspiration • Engaging sounds and animations for a dynamic user experience • Adjustable decimal places, currency symbols, and thousands separators • Dark Mode support for comfortable use in low-light environments • Comprehensive settings menu for full control over app preferences • Detailed user manual for easy onboarding and reference

About

音随补光灯

Features
Read full description

派对神器 | 用声波点燃舞池 " 还在为单调的灯光秀发愁?音随补光灯 - Music Flash 让你的手机秒变派对 C 位! 实时声控闪屏:音乐响起瞬间,屏幕随节奏疯狂闪烁,振幅越大闪得越快,连低音炮都要喊你一声大哥! 氛围大师模式:红橙黄绿随心切换,搭配电子乐 / 电音 / DJ 打碟,灯光效果直接拉满! 深夜被窝轰趴 | 把dj放进被窝里 点击开启,解锁属于你的私人灯光剧场! 自定义闪光规则:设置专属灵敏度,咳嗽都能触发特效,浴室麦霸也有灯光师! 现在下载,解锁「一个人也能嗨」的隐藏技能! 车载蹦迪指南 | 堵车也能嗨成音乐节 开车必听电子乐?老司机私藏的「声控闪屏」秘籍来了! 引擎轰鸣 + 音乐炸街:双声波驱动屏幕特效,红绿灯秒变舞台灯光,隔壁车主都要摇下车窗看你表演!

Screenshots

Calctan4 screens
音随补光灯3 screens

Verdict

The call

The clearest difference is price: Calctan at Free against 音随补光灯's $1.99. 音随补光灯's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

CostPrice · In-app purchases · Ads · Monetization

Calctan is free to download; 音随补光灯 costs $1.99 up front. Calctan sells 1 one-off in-app purchase. 音随补光灯 asks for nothing beyond the download.

UpkeepUpdate frequency

Calctan ships an update every 3 months, 音随补光灯 monthly. The most recent releases landed on October 24, 2026 and September 10, 2026 respectively.

Scorecard4 real differences · 6 level
Calctan versus 音随补光灯: the parameters behind the verdict, then further details
ParameterCalctan音随补光灯
PriceFree — better$1.99
Rating4.5 (61 ratings) — better—
Positive reviews28.6% of reviews—
Number of ratings61 — better—
Update frequencyEvery 3 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better17.0
Further details — not scored
Size11 MB1 MB
Age rating4+4+
DeveloperJorge Lozada文皓 郭

In-app purchases

1 purchases

Calctan

One-time1
  • No Ads$9.99
None

音随补光灯

No in-app purchases

Questions

Is Calctan free?
Calctan is free to download, with in-app purchases available.
Is 音随补光灯 free?
音随补光灯 costs $1.99, with no in-app purchases.
Do Calctan or 音随补光灯 have ads?
Calctan shows ads; 音随补光灯 does not.
Which is updated more often, Calctan or 音随补光灯?
Calctan ships an update every 3 months, and 音随补光灯 monthly. Most recently, Calctan was updated on October 24, 2026 and 音随补光灯 on September 10, 2026.

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