# ManyZero: Calc & Converter — Type unit K, M, B like you say

> Type unit K, M, B like you say (iPhone/iPad app by Dongeun Jeong.)

- Source: https://appshunter.io/ios/app/manyzero/id6738740505 (this page in markdown: same URL + `.md`)
- Developer: [Dongeun Jeong](https://appshunter.io/developer/1782113146)
- Category: Travel, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 43 MB
- Languages: American English
- Released: 2024-12-03
- Data updated: 2025-12-02
- User reviews in markdown: https://appshunter.io/ios/app/manyzero/id6738740505/reviews.md

## What is ManyZero?

NO MORE COMPLEX CALCULATIONS AND CONFUSING EXCHANGE RATES!
ManyZero allows you to directly enter large figures (Millions, Billions) and switch freely between global units (K/M/B).
Prevent calculation errors caused by too many zeros, and check precise exchange rates and crypto prices in real-time.


■ MAXIMUM PRODUCTIVITY FOR GLOBAL FINANCE (7 CORE FEATURES)
1. Number Reading – Error Prevention
3,000 → 3K, 10,000,000 → 10M: Instantly convert complex numbers to simplified units to avoid visual errors and enable quick decision-making.
2. Big Number Calculation
Perform precise calculations with Millions and Billions. (Ideal for construction, government budgets, securities trading)
3. Big Amount Currency Conversion (Real-time Exchange)
Real-time exchange rates for over 300 currencies, especially high-zero currencies (VND, IDR, JPY), ensuring accurate calculations.
4. Calculate & Convert in One (Calc & Convert)
Efficiently execute complex international transactions by calculating and applying the exchange rate simultaneously. (Includes Business Calculation)
5. View Together – Dual Screen
Use the Dual Screen mode during negotiations or travel to transparently check conversion results with the counterparty and build trust.
6. View at a Glance (Quick Understanding)
The result of calculation and currency conversion is displayed rounded, allowing for a quick understanding of complex large numbers.
7. Unit Conversion – Global Compatibility
Supports switching and conversion between global units (K/M/B) and national/local units for perfect compatibility in any business environment.


■ WHO NEEDS MANYZERO
1. Financial Professionals and High-Value Transactions
Finance/Tax: Officials handling public budgets, bankers, securities traders, experts in planning/finance/accounting/tax
M&A/Real Estate: Real estate investors, appraisers, construction, corporate valuation
2. Investors & Global Traders
Investment: Stocks, bonds, cryptocurrencies, asset management
Global Trade: Import/export, traders using Asian currencies
3. Business Travel & Tourism
Individuals who frequently need to calculate high travel expenses or international remittances.
4. Education and Expatriates
Students or expatriates who regularly deal with international currency units.


[ ManyZero – THE NEW STANDARD FOR BIG NUMBER CALCULATION ]
Stop wasting time typing too many zeros.
Increase your efficiency and accuracy with ManyZero!


## Version history (last 5 releases)

### 0.3.5 — 2025-11-30

Added tutorial display on first launch or after 30 days of inactivity, based on the user's device language/region settings.

### 0.3.4 — 2025-11-14

Updated status bar color, bottom bar color, and logo

### 0.3.3 — 2025-11-12

App screens & screenshots updated; UI improvements

### 0.3.2 — 2024-12-06

앱아이콘 변경

### 0.3.0 — 2024-12-03

No release notes.

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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 2025-12-02.*