# SimpleTools vs PhysAI

SimpleTools and PhysAI are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. SimpleTools sells 2 in-app purchases, starting at $4.99 per 7 days 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.

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

## The numbers

| Metric | SimpleTools | PhysAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simpletools-physics-solver/id6763109662/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Freemium | — |
| Size | 17 MB | 24 MB |
| Requires iOS | **17** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yevhenii Kniaziev](https://appshunter.io/developer/1878685835) | [圣跃 巩](https://appshunter.io/developer/1757456097) |

## What reviewers say

### SimpleTools

[App page](https://appshunter.io/ios/app/simpletools-physics-solver/id6763109662)

Instantly solve physics problems with AI-powered, step-by-step explanations. Simply scan a physics problem with your device's camera to receive a clear, structured solution in seconds. Ideal for students and parents seeking to understand problem-solving methods.

**Highlights:** AI-powered physics problem solving, Photo scanning for problem input, Step-by-step solution explanations, Covers mechanics, forces, energy, electricity, and more, Unlimited solutions with premium subscription, Free daily problem solving

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Yearly | $29.99 | per year |


### 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 SimpleTools free?

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

### Is PhysAI free?

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

### Do SimpleTools or PhysAI have ads?

Neither SimpleTools nor PhysAI shows ads.

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

SimpleTools ships an update weekly, and PhysAI every 9 days. Most recently, SimpleTools 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.*