# Audio Frequency Analyzer vs BPO Assistant 2020

The clearest difference is price: BPO Assistant 2020 at Free against Audio Frequency Analyzer's $9.99. BPO Assistant 2020 also leads on rating (5.0 vs 3.7) and update cadence (every 3 months vs every 8 months). Audio Frequency Analyzer's advantage is ratings volume (3 vs 1). On ads and in-app purchases there is nothing between them.

BPO Assistant 2020 is free to download; Audio Frequency Analyzer costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BPO Assistant 2020 holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Audio Frequency Analyzer ships an update every 8 months, BPO Assistant 2020 every 3 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Audio Frequency Analyzer | BPO Assistant 2020 |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bpo-assistant-2020/id1501662338/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 0 MB | 26 MB |
| Requires iOS | 26.2 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [TrackMyForeclosures](https://appshunter.io/developer/1180405273) |

## What reviewers say

### Audio Frequency Analyzer

[App page](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742)

This real-time audio analyzer measures and evaluates sound environments with 1/3 octave band frequency response and FFT analysis. It supports calibration for high accuracy and is suitable for various audio testing and tuning applications.

**Highlights:** Real-time frequency spectrum response measurement (1/3 octave, 30 bands), FFT Analyzer, Observation frequency range: 20 - 23000 Hz, Calibration function for high accuracy, Supports built-in and external microphones, Snapshot and averaging functions

**In-app purchases:** none


### BPO Assistant 2020

[App page](https://appshunter.io/ios/app/bpo-assistant-2020/id1501662338)

This app helps field service professionals manage work orders, track property details, and document their progress. It allows users to process orders, date-stamp photos, add notes, and view important information like fees and access codes. The app also provides mapping for routes to job sites.

**Highlights:** Manage active work orders, Process work orders, Date stamp photos, Receive work order alerts, Add text notes, Attach photos from device or camera, View fee and order requirements, Route mapping to property

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Audio Frequency Analyzer free?

Audio Frequency Analyzer costs $9.99, with no in-app purchases.

### Is BPO Assistant 2020 free?

BPO Assistant 2020 is free to download, with no in-app purchases.

### Which has better reviews, Audio Frequency Analyzer or BPO Assistant 2020?

BPO Assistant 2020 is rated higher. Audio Frequency Analyzer averages 3.7 out of 5 from 3 ratings, while BPO Assistant 2020 averages 5.0 from 1 ratings.

### Do Audio Frequency Analyzer or BPO Assistant 2020 have ads?

Neither Audio Frequency Analyzer nor BPO Assistant 2020 shows ads.

### Which is updated more often, Audio Frequency Analyzer or BPO Assistant 2020?

Audio Frequency Analyzer ships an update every 8 months, and BPO Assistant 2020 every 3 months. Most recently, Audio Frequency Analyzer was updated on October 26, 2026 and BPO Assistant 2020 on October 20, 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.*