# Percentage Calculator Tool-% — % Calculation Assistant

> % Calculation Assistant (iPhone/iPad app by 永文 胡.)

- Source: https://appshunter.io/ios/app/percentage-calculator-tool/id6749046119 (this page in markdown: same URL + `.md`)
- Developer: [永文 胡](https://appshunter.io/developer/804677583)
- Category: Productivity, Utilities
- Price: $3.99
- Age rating: 4+
- Requires: iOS 15.6 · 1 MB
- Languages: English, French, German, Italian, Japanese, Korean, Russian, Chinese, Chinese
- Released: 2025-07-28
- Data updated: 2026-05-18
- User reviews in markdown: https://appshunter.io/ios/app/percentage-calculator-tool/id6749046119/reviews.md

## What is Percentage Calculator Tool?

This application includes 30 types of percentage calculation, which can help you quickly solve various percentage - related problems in life and work, and the calculation results can be traced and managed.

3 calculation types:
Basic calculation: percentage of value, percentage increase/decrease, conversion between percentage and decimal
Advanced calculation: reverse calculation of original value, compound growth, profit margin, return on investment
Practical scenarios: discounted price including tax, loan interest, statistics of grades/votes/market share, error rate, etc.

Main functions:
Quick calculation of daily percentage problems
No network dependency, all calculations and records are stored locally.
Automatic verification of input validity (e.g., prompt for non - numeric input).
Supports two decimal places and handles complex calculations such as compound growth.

History management:
Automatically save each calculation result
Support deleting a single record or clearing all at once
Display calculation details (e.g., "Input: 100 | 10%, Result: 110")

Real - time example guidance:
Each calculation type is provided with example explanations (e.g., "Example: What is 100 increased by 10% → Result: 110")

What can it do for you?
Discounted price of goods (original price 100, 20% off = 80)
Calculate profit margin (revenue 150, cost 100 = 33.33%)
Return on investment (profit 50, cost 100 = 50%)
And many more calculation scenarios


## Version history (last 3 releases)

### 1.3 — 2025-09-28

Bugfixs

### 1.1 — 2025-07-29

Now the iPad version is adapted
Optimize functionality

### 1.0 — 2025-07-29

No release notes.

## More apps by 永文 胡

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- [Daily Goals Tracker-Good Habit](https://appshunter.io/ios/app/daily-goals-tracker-good-habit/id828935115)
- [Web To PDF Maker - Pdf Convert, Web & Files To PDF](https://appshunter.io/ios/app/web-to-pdf-maker-pdf-convert-web-and-files-to-pdf/id909537577)
- [Wallet Money Manager-Expenses](https://appshunter.io/ios/app/wallet-money-manager-expenses/id964074275)
- [Daily Sales Tracker-Inventory](https://appshunter.io/ios/app/daily-sales-tracker-inventory/id982717032)
- [Daily Sales Tracker HD-Storage](https://appshunter.io/ios/app/daily-sales-tracker-hd-storage/id990688720)

All apps by 永文 胡: https://appshunter.io/developer/804677583

## Related topics

[82.7*23.97](https://appshunter.io/ios/topics/82-7-23-97)

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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 2026-05-18.*