# AudioToolsMax vs ThetaCalc

The clearest difference is price: ThetaCalc at Free against AudioToolsMax's $399.99. AudioToolsMax's advantage is rating (4.9 vs 4.3) and iOS requirement (15.0 vs 17.6). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

ThetaCalc is free to download; AudioToolsMax costs $399.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AudioToolsMax holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 8 and 4 respectively.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AudioToolsMax | ThetaCalc |
| --- | --- | --- |
| Price | $399.99 | **Free** |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/audiotoolsmax-audio-test/id1416864209/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/thetacalc/id1521614636/reviews) |
| Number of ratings | **8** | 4 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 95 MB | 1 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [Felix Stehli](https://appshunter.io/developer/1521614638) |

## What reviewers say

### AudioToolsMax

[App page](https://appshunter.io/ios/app/audiotoolsmax-audio-test/id1416864209)

This comprehensive audio testing application provides a suite of professional measurement tools for acoustic analysis. It includes advanced features like SPL metering, real-time analysis, FFT, and impulse response, all unlocked and ready for use.

**Highlights:** SPL Meter, Real Time Analyzer (RTA), FFT Analysis, Speaker Polarity Checker, Delay Finder, Audio Oscilloscope, Audio Calculators

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

**In-app purchases:** none


### ThetaCalc

[App page](https://appshunter.io/ios/app/thetacalc/id1521614636)

This utility app provides a Reverse Polish Notation (RPN) calculator. Users can extend its functionality by programming custom functions and equations using JavaScript.

**Highlights:** Reverse Polish Notation (RPN) calculator, User-programmable functions, JavaScript equation support, Extensible functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AudioToolsMax free?

AudioToolsMax costs $399.99, with no in-app purchases.

### Is ThetaCalc free?

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

### Which has better reviews, AudioToolsMax or ThetaCalc?

AudioToolsMax is rated higher. AudioToolsMax averages 4.9 out of 5 from 8 ratings, while ThetaCalc averages 4.3 from 4 ratings.

### Do AudioToolsMax or ThetaCalc have ads?

Neither AudioToolsMax nor ThetaCalc shows ads.

### Which is updated more often, AudioToolsMax or ThetaCalc?

AudioToolsMax ships an update every 3 months, and ThetaCalc every 3 months. Most recently, AudioToolsMax was updated on November 2, 2026 and ThetaCalc on November 3, 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.*