# SIMI 2023 vs Spectrum Analyzer+ Audio FFT

The clearest difference is iOS requirement: SIMI 2023 at 11.0 against Spectrum Analyzer+ Audio FFT's 17.0. On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | SIMI 2023 | 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 | — | Yes |
| Update frequency | — | Every 4 days |
| Monetization | — | Ad-supported |
| Size | 30 MB | 95 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | — | **iPhone** |
| Age rating | 17+ | 17+ |
| Developer | [Expomeeting](https://appshunter.io/developer/1498921317) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## What reviewers say

### SIMI 2023

[App page](https://appshunter.io/ios/app/simi-2023/id6469528586)

**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 SIMI 2023 free?

SIMI 2023 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.

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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.*