# sigmoid neuron vs SimpleTools

The clearest difference is in-app purchases: sigmoid neuron at none against SimpleTools's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SimpleTools sells 2 in-app purchases, starting at $4.99 per 7 days. sigmoid neuron asks for nothing beyond the download.

## The numbers

| Metric | sigmoid neuron | 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Freemium |
| Size | 5 MB | 17 MB |
| Requires iOS | 17.6 | **17** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [Yevhenii Kniaziev](https://appshunter.io/developer/1878685835) |

## What reviewers say

### sigmoid neuron

[App page](https://appshunter.io/ios/app/sigmoid-neuron/id6740157799)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 sigmoid neuron free?

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

### Is SimpleTools free?

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

### Do sigmoid neuron or SimpleTools have ads?

Neither sigmoid neuron nor SimpleTools shows ads.

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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.*