# ELEGOO Matrix vs Acoustic Tachometer

The clearest difference is in-app purchases: ELEGOO Matrix at none against Acoustic Tachometer's 1. ELEGOO Matrix also leads on iOS requirement (15.5 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Acoustic Tachometer sells 1 one-off in-app purchase. ELEGOO Matrix asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. Both last shipped on October 25, 2026.

## The numbers

| Metric | ELEGOO Matrix | Acoustic Tachometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (141 ratings)](https://appshunter.io/ios/app/elegoo-matrix/id6745138636/reviews)** | — |
| Number of ratings | **141** | — |
| Positive reviews | 19.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | — |
| Size | 151 MB | 9 MB |
| Requires iOS | **15.5** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [深圳市智能派科技有限公司](https://appshunter.io/developer/1776794715) | [Jan Sokol](https://appshunter.io/developer/1896490456) |

## What reviewers say

### ELEGOO Matrix

[App page](https://appshunter.io/ios/app/elegoo-matrix/id6745138636)

This app provides remote control and monitoring for 3D printers, supporting both SLA/DLP and FDM models. Manage your printing tasks, view history, and sync data across devices for efficient 3D printing management.

**Highlights:** Remote print control (start, pause, stop), Real-time print monitoring, Print history logs, Support for SLA/DLP and FDM printers, Multi-device management, Cloud sync for records and settings

**In-app purchases:** none


### Acoustic Tachometer

[App page](https://appshunter.io/ios/app/acoustic-tachometer/id6789524641)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Acoustic Tachometer Pro | $5.99 | one-time |


## Frequently asked questions

### Is ELEGOO Matrix free?

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

### Is Acoustic Tachometer free?

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

### Do ELEGOO Matrix or Acoustic Tachometer have ads?

Neither ELEGOO Matrix nor Acoustic Tachometer shows ads.

### Which is updated more often, ELEGOO Matrix or Acoustic Tachometer?

ELEGOO Matrix ships an update fortnightly, and Acoustic Tachometer fortnightly. Most recently, ELEGOO Matrix was updated on October 25, 2026 and Acoustic Tachometer on October 25, 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.*