# Calto: Note Calculator

> calculate w/ variables & units

Canonical page: [https://chrome-stats.com/d/id6758614596](https://chrome-stats.com/d/id6758614596)

## Overview

- **ID:** `id6758614596`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** JONGWOO PARK
- **Category:** Productivity
- **Version:** 1.7.0
- **Last updated:** 2026-07-31
- **First published:** 2026-02-07
- **Size:** 29 MB
- **Data as of:** 2026-09-03
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/calto-note-calculator/id6758614596)
- **Website:** [https://calto.iamjw.kr/en/](https://calto.iamjw.kr/en/)
- **Privacy policy:** [https://calto.iamjw.kr/en/privacy](https://calto.iamjw.kr/en/privacy)

## Description

A smart calculator that works like math notes.

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Just type "price = 12000" and you're done. Calto is a free smart calculator that lets you write naturally like a math notepad while showing results in real-time.

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Why Calto?

Regular calculators just show numbers.
But real-life calculations are more complex.

- Planning a trip budget and splitting expenses
- Converting currencies while budgeting
- Calculating tips, discounts, or freelance rates

Calto handles all of this naturally, like taking notes.

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Key Features

# Variables
coffee = 4.50
lunch = 12.00
coffee + lunch = 16.50

Name your numbers. Make calculations meaningful.

# Exponent Calculations
2^10 = 1,024
3^3 = 27

Power calculations in one line.

# Natural Unit Conversion
10km in mile = 6.21
25C in F = 77
500g in oz = 17.64
100m2 in acre = 0.025

80+ units supported. Length, weight, volume, temperature, time, area, angle.

# Live Exchange Rates
100 USD in EUR = 92.50
50 GBP in JPY = 9,375

6 major currencies. Auto-updated every 24 hours.

# Mixed Currency Math
100 USD + 50 EUR = $154.25

Different currencies in one calculation. Just works.

# Date Calculations
today + 30days = 2026-03-04
today + 2weeks = 2026-02-16

Project deadlines, travel dates made easy.

# Percent & Tip Calculator
20% of 5000 = 1,000
15% tip on 85 = 12.75

Discounts, tips, split bills. Type what you think.

# Crypto Calculator
1 BTC in USD = 97,500
0.5 ETH in EUR = 1,650

Live cryptocurrency rates. Track your crypto portfolio.

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Perfect For

- Trip budgeting and expense tracking
- Freelancers calculating rates and invoices
- Quick tip calculator and bill splitter
- Real-time exchange rate conversions
- Anyone tired of basic calculators

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Privacy First - Offline Calculator

- All calculations stored on device only
- Works offline - no internet required for basic math
- Only anonymized usage statistics collected (for service improvement)
- No account required

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Support

Email: iamjw.dev@gmail.com
Website: https://calto.iamjw.kr

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Download this free calculator now and experience math notes done right.

## Rankings

- #1,355,682 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6758614596)