# CalcFlex: Calculator — Flexible Calculator for All

> Flexible Calculator for All (iPhone/iPad app by Daniel Chiu Loong Ng.)

- Source: https://appshunter.io/ios/app/calcflex-calculator/id6520389768 (this page in markdown: same URL + `.md`)
- Developer: [Daniel Chiu Loong Ng](https://appshunter.io/developer/1755978644)
- Category: Utilities, Finance
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 2 MB
- Languages: English
- Released: 2024-07-12
- Data updated: 2026-05-16
- User reviews in markdown: https://appshunter.io/ios/app/calcflex-calculator/id6520389768/reviews.md

## What is CalcFlex?

Discover CalcFlex: Flexible, Free and Ad-Free Calculator App!

Unlock the full potential of your calculations with CalcFlex, the flexible calculator app designed to cater to all your needs. Whether you're dealing with complex equations, unit conversions, financial calculations, or scientific formulas, CalcFlex has got you covered.

Key Features:

Multiple Calculators in Parallel: Seamlessly switch between different calculators for efficiency.

Built-in Tools: Access unit converters, finance calculators, math and physics equations all in one app.

Custom Equations: Create, save, and reuse your own equations with specific variables tailored to your needs.

User-Friendly Design: Start with the familiar calculator layout, free to customize based on preference. 

Completely Free: No ads, no hidden fees, just pure calculating power.

Download CalcFlex now and experience the freedom of a truly flexible and comprehensive calculator app!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| +1 New Calculator | $3.99 | one-time |
| +1 New Calculator | $3.99 | one-time |
| +3 New Variables | $1.99 | one-time |
| +3 New Variables | $1.99 | one-time |
| +20 New Equation Slots | $1.99 | one-time |
| +20 New Equation Slots | $1.99 | one-time |



## Version history (last 2 releases)

### 1.1 — 2024-07-21

- UI Improvement with better button feedback.
- Now numbers are separated with comma.
- Fixed minor bugs.

### 1.0 — 2024-07-12

No release notes.

## Apps similar to CalcFlex

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [WonderCalc](https://appshunter.io/ios/app/wondercalc/id6444459924) | 4.7 (3) | Free | Utilities |
| [Calc The App](https://appshunter.io/ios/app/calc-the-app/id1434196796) | — | Free | Utilities |
| [Formula Calculator #](https://appshunter.io/ios/app/formula-calculator/id6504839903) | 5.0 (2) | Free | Utilities |
| [Instacalc.com](https://appshunter.io/ios/app/instacalccom/id6502033125) | 5.0 (3) | Free | Utilities |
| [ReadableCalc](https://appshunter.io/ios/app/readablecalc/id6747457253) | — | Free | Utilities |
| [EasyCalcualtor](https://appshunter.io/ios/app/easycalcualtor/id6449998126) | — | Free | Utilities |

## More apps by Daniel Chiu Loong Ng

- [Plus Path - 1 min Math Puzzle!](https://appshunter.io/ios/app/plus-path-1-min-math-puzzle/id6748663289)

All apps by Daniel Chiu Loong Ng: https://appshunter.io/developer/1755978644

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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 2026-05-16.*