# Ultimate Calculator-All in One — 100+ calculators

> 100+ calculators (iPhone/iPad app by JEEHYUK PARK.)

- Source: https://appshunter.io/ios/app/ultimate-calculator-all-in-one/id6784606372 (this page in markdown: same URL + `.md`)
- Developer: [JEEHYUK PARK](https://appshunter.io/developer/1895897366)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 156 MB
- Languages: American English
- Released: 2026-07-01
- Data updated: 2026-07-19
- User reviews in markdown: https://appshunter.io/ios/app/ultimate-calculator-all-in-one/id6784606372/reviews.md

## What is Ultimate Calculator?

Ultimate Calculator brings everyday calculations together in one clean, fast app.

Use 100+ calculators for math, percentages, averages, unit conversion, dates, time, money, savings, loans, health, fitness, electronics, shopping, home, text, and more.

Find the right calculator quickly with organized categories, favorites, and fast search. Each tool is designed for simple input, instant results, and clear explanations when you need them.

Useful for:
• Basic math, percentages, averages, ratios, and unit conversion
• Date, age, business day, deadline, payday, and time calculations
• Savings, loans, budgets, salary, retirement, and investment planning
• BMI, body fat, TDEE, water intake, sleep, pregnancy, and fitness tools
• Electricity, fuel, shopping, discounts, VAT, fees, and daily life calculations
• Electronics tools such as Ohm’s law, resistor color codes, voltage divider, RC time, and more

Ultimate Calculator is built to be lightweight, easy to use, and available in multiple languages. Whether you need a quick answer or a practical planning tool, you can open the right calculator in seconds.


## Version history (last 1 release)

### 1.0 — 2026-07-01

No release notes.

## More apps by JEEHYUK PARK

- [마라톤 GO](https://appshunter.io/ios/app/go/id6764733551)
- [SHAPIC - Frame Cam(Mask·Shape)](https://appshunter.io/ios/app/shapic-frame-cammaskshape/id6768386033)
- [Soccer Defense - Tower TD](https://appshunter.io/ios/app/soccer-defense-tower-td/id6779514530)
- [Y2K Cam: Retro Digicam Film](https://appshunter.io/ios/app/y2k-cam-retro-digicam-film/id6781655361)

All apps by JEEHYUK PARK: https://appshunter.io/developer/1895897366

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*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 2026-07-19.*