# PhysicsCalc vs Qedra

The clearest difference is price: Qedra at Free against PhysicsCalc's $19.99. Qedra also leads on in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 3 months). PhysicsCalc's advantage is ads (none vs shown) and iOS requirement (16.0 vs 18.0). On device support there is nothing between them.

Qedra is free to download; PhysicsCalc costs $19.99 up front. PhysicsCalc sells 1 one-off in-app purchase. Qedra asks for nothing beyond the download.

PhysicsCalc ships an update every 3 months, Qedra every 2 weeks. The most recent releases landed on October 19, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | PhysicsCalc | Qedra |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/physicscalc-126-formulas/id6761487165/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 10 MB | 23 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rustam Elmuradov](https://appshunter.io/developer/1889905226) | [Matthew Wong](https://appshunter.io/developer/6774040057) |

## What reviewers say

### PhysicsCalc

[App page](https://appshunter.io/ios/app/physicscalc-126-formulas/id6761487165)

This app provides a comprehensive collection of physics formulas, calculations, and solutions. It offers a unit converter, physical constants, and history of calculations, with advanced features like dependency graphs and error calculation available via a one-time purchase.

**Highlights:** 126 physics formulas, Smart calculation with instant results, Step-by-step solutions, Unit converter, Physical constants, Dependency graphs, Error calculator

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Formulas | $1.99 | one-time |


### Qedra

[App page](https://appshunter.io/ios/app/qedra-math-solver/id6803934326)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PhysicsCalc free?

PhysicsCalc costs $19.99, and also offers in-app purchases.

### Is Qedra free?

Qedra is free to download, with no in-app purchases.

### Do PhysicsCalc or Qedra have ads?

Qedra shows ads; PhysicsCalc does not.

### Which is updated more often, PhysicsCalc or Qedra?

PhysicsCalc ships an update every 3 months, and Qedra every 2 weeks. Most recently, PhysicsCalc was updated on October 19, 2026 and Qedra on October 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*