# PhysicsCalc vs PhysAI

The clearest difference is update cadence: PhysAI at every 9 days against PhysicsCalc's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PhysicsCalc sells 1 one-off in-app purchase and PhysAI sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PhysicsCalc ships an update every 3 months, PhysAI every 9 days. The most recent releases landed on October 2, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | PhysicsCalc | PhysAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/physicscalc-126-formulas/id6761487165/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Freemium | — |
| Size | 10 MB | 24 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rustam Elmuradov](https://appshunter.io/developer/1889905226) | [圣跃 巩](https://appshunter.io/developer/1757456097) |

## 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 |


### PhysAI

[App page](https://appshunter.io/ios/app/physai-physics-solver-and-chat/id6782878306)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per 7 days |
| Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is PhysicsCalc free?

PhysicsCalc is free to download, with in-app purchases available.

### Is PhysAI free?

PhysAI is free to download, with in-app purchases available.

### Do PhysicsCalc or PhysAI have ads?

Neither PhysicsCalc nor PhysAI shows ads.

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

PhysicsCalc ships an update every 3 months, and PhysAI every 9 days. Most recently, PhysicsCalc was updated on October 2, 2026 and PhysAI on September 25, 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.*