# AcoustiTools® vs Vector Calculator Plus

The clearest difference is review sentiment: AcoustiTools® at 100% against Vector Calculator Plus's 0%. AcoustiTools® also leads on rating (4.4 vs 2.5) and update cadence (every 2 months vs every 43 months). Vector Calculator Plus's advantage is price ($2.99 vs $39.99) and in-app purchases (none vs 2). On ads, monetization model, device support and iOS requirement there is nothing between them.

AcoustiTools® costs $39.99 and Vector Calculator Plus $2.99 up front. AcoustiTools® sells 2 one-off in-app purchases. Vector Calculator Plus asks for nothing beyond the download.

AcoustiTools® holds the better App Store score, 4.4 against 2.5. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 100% of AcoustiTools®'s written reviews are positive against 0% of Vector Calculator Plus's.

AcoustiTools® ships an update every 2 months, Vector Calculator Plus every 43 months. The most recent releases landed on July 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | AcoustiTools® | Vector Calculator Plus |
| --- | --- | --- |
| Price | $39.99 | **$2.99** |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/acoustitools/id1390068470/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948/reviews) |
| Number of ratings | **7** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 43 months |
| Monetization | Paid | Paid |
| Size | 158 MB | 1 MB |
| Requires iOS | 13.3 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACOUSTIC MASTERMINDS INC.](https://appshunter.io/developer/1352604985) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### AcoustiTools®

[App page](https://appshunter.io/ios/app/acoustitools/id1390068470)

This app provides professional-grade audio analysis and diagnostic tools using augmented reality. It helps map sound levels, calculate delay timing, and offers corrective EQ settings for live sound, studios, car audio, and home theater.

**Highlights:** Augmented Reality Spatial Analyzer, Volume Mapping and Variance, Delay Timing Calculation, Diagnostic Parametric EQ (IAP), Diagnostic Graphic EQ (IAP), Real-Time Frequency Analyzer

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diagnostic PEQ | $19.99 | one-time |
| Diagnostic GEQ | $19.99 | one-time |


### Vector Calculator Plus

[App page](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948)

This app simplifies vector addition for students and educators. It allows for quick calculations of multiple vectors, visualizing the results with generated graphs. Users can customize graph elements and save images for later use.

**Highlights:** Instant vector calculation, Add multiple vectors by x, y, magnitude, or angle, Generate vector images, Save vector images to camera roll, Customize graph display options, Set background color for graphs

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

**In-app purchases:** none


## Frequently asked questions

### Is AcoustiTools® free?

AcoustiTools® costs $39.99, and also offers in-app purchases.

### Is Vector Calculator Plus free?

Vector Calculator Plus costs $2.99, with no in-app purchases.

### Which has better reviews, AcoustiTools® or Vector Calculator Plus?

AcoustiTools® is rated higher. AcoustiTools® averages 4.4 out of 5 from 7 ratings, while Vector Calculator Plus averages 2.5 from 2 ratings.

### Do AcoustiTools® or Vector Calculator Plus have ads?

Neither AcoustiTools® nor Vector Calculator Plus shows ads.

### Which is updated more often, AcoustiTools® or Vector Calculator Plus?

AcoustiTools® ships an update every 2 months, and Vector Calculator Plus every 43 months. Most recently, AcoustiTools® was updated on July 13, 2026 and Vector Calculator Plus on September 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.*