# FactorySense Sonar vs SWLtools

The clearest difference is price: FactorySense Sonar at Free against SWLtools's $3.99. FactorySense Sonar also leads on iOS requirement (13.6 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

FactorySense Sonar is free to download; SWLtools costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | FactorySense Sonar | SWLtools |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Size | 2 MB | 5 MB |
| Requires iOS | **13.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Factory Sense](https://appshunter.io/developer/1474553368) | [Stefano Rampazzo](https://appshunter.io/developer/396660919) |

## What reviewers say

### FactorySense Sonar

[App page](https://appshunter.io/ios/app/factorysense-sonar/id6448760613)

**Features:** macOS Compatibility

**In-app purchases:** none


### SWLtools

[App page](https://appshunter.io/ios/app/swltools/id6618146941)

**In-app purchases:** none


## Frequently asked questions

### Is FactorySense Sonar free?

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

### Is SWLtools free?

SWLtools costs $3.99, with no in-app purchases.

### Do FactorySense Sonar or SWLtools have ads?

Neither FactorySense Sonar nor SWLtools 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.*