# Calculus AI vs SimpleTools

The clearest difference is update cadence: SimpleTools at weekly against Calculus AI's monthly. Calculus AI's advantage is iOS requirement (15.6 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calculus AI sells 2 in-app purchases, starting at $4.99 per 7 days and SimpleTools sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Calculus AI ships an update monthly, SimpleTools weekly. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Calculus AI | SimpleTools |
| --- | --- | --- |
| 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 | Monthly | **Weekly** |
| Monetization | — | Freemium |
| Size | 12 MB | 17 MB |
| Requires iOS | **15.6** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chnini Ramdhane](https://appshunter.io/developer/1849606882) | [Yevhenii Kniaziev](https://appshunter.io/developer/1878685835) |

## What reviewers say

### Calculus AI

[App page](https://appshunter.io/ios/app/calculus-ai-homework-helper/id6758545557)

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

**In-app purchases (2)**

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


### 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 |


## Frequently asked questions

### Is Calculus AI free?

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

### Is SimpleTools free?

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

### Do Calculus AI or SimpleTools have ads?

Neither Calculus AI nor SimpleTools shows ads.

### Which is updated more often, Calculus AI or SimpleTools?

Calculus AI ships an update monthly, and SimpleTools weekly. Most recently, Calculus AI was updated on October 16, 2026 and SimpleTools on October 2, 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.*