# TAP咨询师 vs Spectrum Analyzer+ Audio FFT

The clearest difference is ads: TAP咨询师 at none against Spectrum Analyzer+ Audio FFT's shown. Spectrum Analyzer+ Audio FFT's advantage is update cadence (every 4 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

TAP咨询师 ships an update every 2 months, Spectrum Analyzer+ Audio FFT every 4 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | TAP咨询师 | Spectrum Analyzer+ Audio FFT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.6 (5 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-plus-audio-fft/id6760830858/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | — | Ad-supported |
| Size | 79 MB | 95 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Metaphase Technology Co., Ltd.](https://appshunter.io/developer/1637810518) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## What reviewers say

### TAP咨询师

[App page](https://appshunter.io/ios/app/tap/id6744131947)

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

**In-app purchases:** none


### Spectrum Analyzer+ Audio FFT

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

Analyze live audio frequencies from your microphone to identify peak Hz, hum, and room modes. Capture and average sound over five seconds to pinpoint the strongest frequencies and their levels. Compare changes by saving reference captures and analyzing differences.

**Highlights:** Live frequency spectrum display, 5-second audio capture and averaging, Peak frequency and level identification, Adjustable dB range, Reference capture comparison, Specialized analysis modes (Voice, Machine, Room), CSV export of spectrum data

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

**In-app purchases:** none


## Frequently asked questions

### Is TAP咨询师 free?

TAP咨询师 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.

### Do TAP咨询师 or Spectrum Analyzer+ Audio FFT have ads?

Spectrum Analyzer+ Audio FFT shows ads; TAP咨询师 does not.

### Which is updated more often, TAP咨询师 or Spectrum Analyzer+ Audio FFT?

TAP咨询师 ships an update every 2 months, and Spectrum Analyzer+ Audio FFT every 4 days. Most recently, TAP咨询师 was updated on October 30, 2026 and Spectrum Analyzer+ Audio FFT on November 9, 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.*