# M2 Calculator vs eighty32 Toolbox

The clearest difference is in-app purchases: M2 Calculator at none against eighty32 Toolbox's 1. M2 Calculator also leads on ratings volume (4 vs 1) and device support (3 vs 1). eighty32 Toolbox's advantage is update cadence (every 3 months vs every 7 months). On price, rating and ads there is nothing between them.

Both are free to download. eighty32 Toolbox sells 1 one-off in-app purchase. M2 Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for M2 Calculator against 5.0 for eighty32 Toolbox. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

M2 Calculator ships an update every 7 months, eighty32 Toolbox every 3 months. The most recent releases landed on September 8, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | M2 Calculator | eighty32 Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/m2-calculator/id1035183544/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/eighty32-toolbox-rf-and-audio/id6777845752/reviews) |
| Number of ratings | **4** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 4 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Darren Alexander](https://appshunter.io/developer/946616105) | [Chris DeBrizzio](https://appshunter.io/developer/6776321234) |

## What reviewers say

### M2 Calculator

[App page](https://appshunter.io/ios/app/m2-calculator/id1035183544)

Calculate the number of M2 Processors needed for LED video screens based on tile type, frame rate, and color depth. This tool helps determine the total tiles and ports required for a given setup, updated for the SX40 Processor.

**Highlights:** Calculate M2 Processor requirements, Select LED tile types, Set frame rate and color depth, Determine tiles per port, Calculate total tiles, Supports SX40 Processor

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

**In-app purchases:** none


### eighty32 Toolbox

[App page](https://appshunter.io/ios/app/eighty32-toolbox-rf-and-audio/id6777845752)

This comprehensive suite offers essential tools for AV, RF, and live-production technicians. It includes calculators for delay, dB math, and Ohm's law, alongside RF analysis, audio metering, and a reference library of equipment specifications. An optional one-time unlock provides advanced features.

**Highlights:** Delay time and speaker alignment calculators, dB math and scale conversion, Ohm's law and speaker load calculations, RF intermodulation and spacing analysis, Frequency coordination engine, Audio meters (RTA, FFT, Loudness, SPL), Equipment reference library (speakers, mics, connectors)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Toolbox Pro | $9.99 | one-time |


## Frequently asked questions

### Is M2 Calculator free?

M2 Calculator is free to download, with no in-app purchases.

### Is eighty32 Toolbox free?

eighty32 Toolbox is free to download, with in-app purchases available.

### Which has better reviews, M2 Calculator or eighty32 Toolbox?

M2 Calculator and eighty32 Toolbox are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do M2 Calculator or eighty32 Toolbox have ads?

Neither M2 Calculator nor eighty32 Toolbox shows ads.

### Which is updated more often, M2 Calculator or eighty32 Toolbox?

M2 Calculator ships an update every 7 months, and eighty32 Toolbox every 3 months. Most recently, M2 Calculator was updated on September 8, 2026 and eighty32 Toolbox on September 12, 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.*