Calculator vs UrlHist
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator
This versatile tool combines a scientific calculator with currency and unit conversion capabilities. It offers a history manager, full editing options, and an intuitive interface for school, work, and daily tasks. Supports offline currency conversion.
- Scientific calculator functions
- Currency converter with 37 currencies
- Unit converter with 181 units
- History manager for calculations
- Offline currency conversion
- Full editing options (undo/redo)
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This multi-function app is a scientific calculator packaged with currency converter and unit converter. It is powerful and user-friendly for school, work and for everyday use. == Feature Highlights == • History Manager: review calculation/conversion history, reuse/share/insert/copy expression and result, and delete individual/all records. See below for details. • iPad Landscape Mode: display functions and numeric keys side by side for higher efficiency, or display history records and numeric keys side by side. See below for details. • Full editing options: Undo, Redo, Select, Select All, Cut, Copy, Paste, and Cancel • Full expression display in multiple lines: review and easily check entry errors • Caret support, easier to edit an entry • Instant detection and identification of invalid entries • Unique and playful button sound and haptic effects, both mutable (note: haptic effects are only available on iPhone 7 & plus and later iPhone models) • Aesthetic in user interface, easy and simple to use == Scientific Calculator == • +, −, ×, ÷, (), +/-, %, delete, clear-all • (Inverse) trigonometric functions: sin, cos, tan, asin, acos, atan (radian & degree) • (Inverse) hyperbolic functions: sinh, cosh, tanh, asinh, acosh, atanh • Constants: e, π • Scientific notation E: enter numbers in the format of scientific notation, such as, 1.8E6 or 2.21E-10 • Roots: square root, cubic root • Power & exponential functions: x^2, x^3, x^y, 2^x, 3^x, 10^x, e^x • Logarithmic functions: ln, log2, log10 • Absolute value: |x| == Currency Converter == • +, −, ×, ÷, (), +/-, %, delete, clear-all • Converts back-and-forth and does calculation as well • Supports daily updates for 37 major world currencies (AED, AUD, BGN, BRL, CAD, CHF, CNY, CZK, DKK, EUR, GBP, HKD, HUF, IDR, ILS, INR, ISK, JPY, KRW, MXN, MYR, NOK, NZD, PEN, PHP, PLN, RON, RUB, SAR, SEK, SGD, THB, TRY, TWD, USD, ZAR) • Supports offline conversion. When there is no internet connection, last downloaded rates are available for conversion. • Daily updates from three trusted sources: the U.S. Federal Reserve, European Central Bank, Bank of Canada == Unit Converter == • +, −, ×, ÷, (), +/-, %, delete, clear-all • Converts back-and-forth and does calculation as well • Supports 13 common categories: Area, Data, Energy, Force, Frequency, Length, Pressure, Speed, Temperature, Time, Volume, Weight, Others • 181 units of measurement, 3,207 conversions • Supports both British Imperial and U.S. Customary • Supports unit measurements in both Mainland China & Taiwan == In-app Purchases == We offer the following two in-app purchases to access additional features. Your purchase and generous support can greatly help us to continue developing this app. Thank you! >> History Manager - USD$0.99, limited free trial: • One time purchase is for both iPhone & iPad • Review calculation/conversion history • Copy or share expression and result • Reuse expression • Insert expression or result at the caret (cursor) with detection of error/invalid input • Delete individual or all records • History records are listed in alternate colors for easy browsing, each is marked with its date of creation. Long expressions are compressed or expanded automatically. • Calculator, Currency and Unit converters all support History >> iPad Landscape Mode - USD$0.99, limited free trial: • When using Calculator, iPad Landscape displays functions and numeric keys side by side, for higher efficiency. Calculation history and numeric keys may also be displayed side by side, allowing you to watch recordkeeping of calculation simultaneously. • When using Currency & Unit converters, iPad Landscape displays conversion history and numeric keys side by side, allowing you to watch recordkeeping of conversion simultaneously. == Support == • Website: https://www.theequally.com • Contact us: calculatorcu@theequally.com == Credits == UX designer: Cheryl S. Yee UI designer: Cheryl S. Yee
UrlHist
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Trace Redirect Paths & Uncover Hidden Links Ever wondered where a shortened link or shortened URL actually leads before you click it? Want to know how many hops a web page goes through? This app is a powerful redirect tracker designed to unveil the complete path of any web link. Simply paste a URL or share it directly from any app, and this app will instantly trace the entire redirect chain, showing you every intermediate URL along the way to its final destination. Key Features Seamless Import: Paste links directly from your clipboard or use the system "Share" menu from any app. Full Redirect Chain Visualizer: See every single hop in the path. History & Logs: Automatically saves your traced URL histories for quick reference, searching, and comparison. Enhanced Link Safety: Reveal hidden destinations behind shortened URLs to prevent phishing and malicious redirects. One-Tap Copy & Open: Easily copy any intermediate URL in the chain or open the final link in your browser. Perfect For Security-Conscious Users: Safely inspect suspicious SMS or email links before opening them. Marketers & SEO Specialists: Audit short links, UTM tracking parameters, and 301/302 redirect chains. Developers & Tech Enthusiasts: Debug web redirects, API endpoints, and redirect loops on the go.
Screenshots
Verdict
The clearest difference is in-app purchases: UrlHist at none against Calculator's 2. UrlHist also leads on update cadence (daily vs every 3 weeks). Calculator's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price 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. Calculator sells 2 one-off in-app purchases. UrlHist asks for nothing beyond the download.
Calculator ships an update every 3 weeks, UrlHist daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Calculator | UrlHist |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 weeks | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 19 MB | 26 MB |
| Age rating | 4+ | 17+ |
| Developer | hua-shan cheng | chang liang lai |
In-app purchases
Calculator
- Unlock iPad Landscape$0.99
- Unlock History$0.99
UrlHist
No in-app purchases









