# Sensorimotor Reactions vs sigmoid neuron

The clearest difference is in-app purchases: sigmoid neuron at none against Sensorimotor Reactions's 1. Sensorimotor Reactions's advantage is iOS requirement (14.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Sensorimotor Reactions sells 1 one-off in-app purchase. sigmoid neuron asks for nothing beyond the download.

## The numbers

| Metric | Sensorimotor Reactions | sigmoid neuron |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 2 MB | 5 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Viacheslav Romanenko](https://appshunter.io/developer/1046372418) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Sensorimotor Reactions

[App page](https://appshunter.io/ios/app/sensorimotor-reactions/id1547238786)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Data management | $1.99 | one-time |


### sigmoid neuron

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sensorimotor Reactions free?

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

### Is sigmoid neuron free?

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

### Do Sensorimotor Reactions or sigmoid neuron have ads?

Neither Sensorimotor Reactions nor sigmoid neuron 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.*