# Mac Tools vs StarViewer

The clearest difference is iOS requirement: Mac Tools at 15.0 against StarViewer's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Mac Tools ships an update every 23 months, StarViewer every 21 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Mac Tools | StarViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mac-tools-smartear2/id673429276/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 21 months** |
| Monetization | Free | — |
| Size | 12 MB | 23 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JS Products, Inc.](https://appshunter.io/developer/673417159) | [Ophir Optronics Solutions Ltd.](https://appshunter.io/developer/795779923) |

## What reviewers say

### Mac Tools

[App page](https://appshunter.io/ios/app/mac-tools-smartear2/id673429276)

This utility transforms your smartphone into a sound and vibration detection tool for diagnosing issues in vehicles and machinery. It helps pinpoint rattles, squeaks, and grinding sounds, making repairs easier.

**Highlights:** Sound & vibration detection, Locates defective parts, User-friendly interface, Analog/Digital display options, Adjustable sound settings, Informative user guide

**Features:** macOS Compatibility

**In-app purchases:** none


### StarViewer

[App page](https://appshunter.io/ios/app/starviewer-ophir/id1594327055)

**In-app purchases:** none


## Frequently asked questions

### Is Mac Tools free?

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

### Is StarViewer free?

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

### Do Mac Tools or StarViewer have ads?

Neither Mac Tools nor StarViewer shows ads.

### Which is updated more often, Mac Tools or StarViewer?

Mac Tools ships an update every 23 months, and StarViewer every 21 months. Most recently, Mac Tools was updated on November 1, 2026 and StarViewer on November 7, 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.*