# ServoSizer vs STEP Viewer

The clearest difference is iOS requirement: STEP Viewer at 13.0 against ServoSizer's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ServoSizer | STEP Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/servosizer/id6755742539/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | Free | — |
| Size | 29 MB | 61 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Schomaker](https://appshunter.io/developer/1855943316) | [Smart Cube Labs Co., Ltd.](https://appshunter.io/developer/1456342688) |

## What reviewers say

### ServoSizer

[App page](https://appshunter.io/ios/app/servosizer/id6755742539)

This application assists users in calculating and determining the appropriate size for servo motors. It provides essential data for engineering and design projects.

**Highlights:** Servo motor sizing, Calculation tool, Engineering data, Design assistance

**In-app purchases:** none


### STEP Viewer

[App page](https://appshunter.io/ios/app/step-viewer/id6756539299)

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

**In-app purchases:** none


## Frequently asked questions

### Is ServoSizer free?

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

### Is STEP Viewer free?

STEP Viewer is free to download, with no in-app purchases.

### Do ServoSizer or STEP Viewer have ads?

Neither ServoSizer nor STEP Viewer 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.*