# Impact Data Board vs Spectrum Analyzer+ Audio FFT

The clearest difference is rating: Impact Data Board at 5.0 against Spectrum Analyzer+ Audio FFT's 2.3. Impact Data Board also leads on ads (none vs shown) and monetization model (free vs ad-supported). Spectrum Analyzer+ Audio FFT's advantage is update cadence (weekly vs every 6 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Impact Data Board holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

Impact Data Board ships an update every 6 months, Spectrum Analyzer+ Audio FFT weekly. The most recent releases landed on October 1, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Impact Data Board | Spectrum Analyzer+ Audio FFT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/impact-data-board/id6743683745/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-plus-audio-fft/id6760830858/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 6 MB | 69 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Impact Data Books Inc.](https://appshunter.io/developer/1821646639) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## What reviewers say

### Impact Data Board

[App page](https://appshunter.io/ios/app/impact-data-board/id6743683745)

This digital data board app helps shooters customize ballistic data for various shooting activities. It offers a flexible, battery-free interface with customizable columns and rows for detailed information, designed for competition, hunting, and operational use.

**Highlights:** Customizable ballistic data setup, Battery-free operation, Menu-driven dropdowns for quick setup, Up to seven columns and 18 rows, Toggleable data information, Designed for competition and hunting

**Features:** macOS Compatibility

**In-app purchases:** none


### Spectrum Analyzer+ Audio FFT

[App page](https://appshunter.io/ios/app/spectrum-analyzer-plus-audio-fft/id6760830858)

This utility transforms your device into a real-time audio frequency analyzer. It visualizes sound frequencies from 20 Hz to 20 kHz using the microphone, displaying amplitude and peak frequencies. It's designed for musicians, audio engineers, and sound enthusiasts.

**Highlights:** Real-time FFT audio spectrum visualization, Frequency range 20 Hz to 20 kHz, Peak frequency detection, Average dB level per band, Adjustable dB range, Dark theme

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

**In-app purchases:** none


## Frequently asked questions

### Is Impact Data Board free?

Impact Data Board is free to download, with no in-app purchases.

### Is Spectrum Analyzer+ Audio FFT free?

Spectrum Analyzer+ Audio FFT is free to download, with no in-app purchases.

### Which has better reviews, Impact Data Board or Spectrum Analyzer+ Audio FFT?

Impact Data Board is rated higher. Impact Data Board averages 5.0 out of 5 from 7 ratings, while Spectrum Analyzer+ Audio FFT averages 2.3 from 3 ratings.

### Do Impact Data Board or Spectrum Analyzer+ Audio FFT have ads?

Spectrum Analyzer+ Audio FFT shows ads; Impact Data Board does not.

### Which is updated more often, Impact Data Board or Spectrum Analyzer+ Audio FFT?

Impact Data Board ships an update every 6 months, and Spectrum Analyzer+ Audio FFT weekly. Most recently, Impact Data Board was updated on October 1, 2026 and Spectrum Analyzer+ Audio FFT 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.*