# Units: Converter & Formulas — Convert, look up, calculate > Convert, look up, calculate (iPhone/iPad app by WiseInsur technology Inc..) - Source: https://appshunter.io/ios/app/units-converter-and-formulas/id6821465699 (this page in markdown: same URL + `.md`) - Developer: [WiseInsur technology Inc.](https://appshunter.io/developer/1692305734) - Category: Utilities, Reference - Price: Free - Age rating: 4+ - Requires: iOS 17.0 · 6 MB - Languages: American English, Chinese (Simplified, China) - Released: 2026-10-12 - Data updated: 2026-10-26 ## What is Units? Units is a pocket tool for the numbers you keep looking up. Convert units and currency, run everyday calculations, check a formula or a constant, and do the sum on a calculator that stays out of the way. UNIT CONVERSION Pick a category and enter a number. Every unit in that category is converted at once, so you never have to choose what to convert to. • Seven categories: length, weight, temperature, volume, area, speed and currency. • Metric, imperial, US and traditional Chinese units: feet, pounds, Fahrenheit, gallons, jin, mu and more. • Look-alike units are listed separately, such as US and UK gallons, or tonnes and short tons. • Pin the units you use most, and tap any result to copy it. CURRENCY • 22 widely used currencies with rates updated daily. The last rates are kept for when you are offline, and the rate date is always shown. • Drag currencies into the order you want and hide the ones you don't need. • Rates are mid-market reference rates. Your bank or card rate will differ. CALCULATORS Fill in a few numbers and get the answer. Every field comes with a short note on what to enter. • Pensions: China urban employee pension, a stop-or-keep-contributing comparison, and Canada CPP + OAS + GIS. • Loans and savings: fixed-payment and fixed-principal loans, compound interest, annualized return. • Health and fitness: BMI, pace. • Spending and travel: discounts, unit price, tip and split, percent change, fuel cost, electricity cost. • Pension results can be shared as a clear one-page image, with age and income hidden. FORMULAS • More than 100 formulas across math, physics, chemistry, finance and economics, grouped by topic: triangles, electricity, solutions, interest and more. • Formulas are properly typeset, and the meaning of every symbol is listed underneath. • Search by name. Some formulas take your numbers directly. CONSTANTS 51 constants from math, physics, chemistry and astronomy, with units and a short note. Tap one to copy its value. CALCULATOR Pull up a half-height calculator from any screen and keep reading the formula above it. Brackets, percent, powers, roots, trig functions, logarithms, factorial and π, with the result shown as you type. ALSO • English and Simplified Chinese, switchable at any time in Settings. • No account, no personal data collected, no ads. Formulas and constants are provided for reference; check important calculations against an authoritative source. Pension and loan calculations are rough estimates based on published rules. They are not official figures and not financial or investment advice. ## Is Units safe? Not enough ratings yet to assess Units. ## Is Units legit? Units: Converter & Formulas appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Units is 70 out of 100 points across 7 verification signals from App Store and developer data. ## Version history (last 3 releases) ### 1.2 — 2026-10-16 • Pension results at a glance: a comparison table and bar charts you can share as one image, with age and income hidden. • Stop or keep contributing: monthly and total contributions for each option, the extra pension each month, and what the extra money would pay if invested at 5%, 8% or 10%. • New field for the local minimum contribution base, for more accurate contribution amounts. • Rule fixes, including the minimum contribution years when you delay retirement. • Smoother pickers, and long result names no longer get cut off. ### 1.1 — 2026-10-13 • New Calculators section: pensions, mortgages, compound interest, BMI, fuel, electricity, unit price and more in one place. • China pension estimate now follows the delayed-retirement schedule, payout months and account interest, plus a new "stop or keep contributing" comparison. • Canada pension estimate adds OAS by years of residence and GIS, so newcomers can estimate too. • Calculator adds sin, cos, tan, ln, log, factorial and reciprocal, with degrees or radians. • Pasted numbers with thousands separators or scientific notation are read correctly. • The currency screen shows the rate date right under the amount. • New icon, new number typeface, and a four-section home screen. ### 1.0 — 2026-10-12 No release notes. ## Apps similar to Units | App | Rating | Price | Category | | --- | --- | --- | --- | | [Unitap - Unit Converter](https://appshunter.io/ios/app/unitap-unit-converter/id6794749396) | — | Free | Utilities | | [YgcUnitConvert - 单位换算](https://appshunter.io/ios/app/ygcunitconvert/id6751214624) | — | Free | Utilities | | [Interval Timer Sec+Sec](https://appshunter.io/ios/app/interval-timer-sec-plus-sec/id595618563) | 3.7 (13) | Free | Utilities | | [Unit Converter and Calculator.](https://appshunter.io/ios/app/unit-converter-and-calculator/id1559358634) | 4.3 (83) | Free | Utilities | | [COLBOR STUDIO](https://appshunter.io/ios/app/colbor-studio/id1591339262) | 1.7 (12) | Free | Utilities | | [Conversion Calculator Units](https://appshunter.io/ios/app/conversion-calculator-units/id727632233) | 4.7 (4,996) | Free | Utilities | ## More apps by WiseInsur technology Inc. - [WiseInsur](https://appshunter.io/ios/app/wiseinsur/id6450205871) - [TenX Archery](https://appshunter.io/ios/app/tenx-archery/id6815648017) All apps by WiseInsur technology Inc.: https://appshunter.io/developer/1692305734 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-26.*