# SferaPulse vs Spectrum Analyzer

The clearest difference is update cadence: Spectrum Analyzer at daily against SferaPulse's every 4 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SferaPulse sells 4 in-app purchases, starting at $4.99 per month and Spectrum Analyzer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SferaPulse ships an update every 4 days, Spectrum Analyzer daily. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SferaPulse | Spectrum Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Size | 3 MB | 1 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Artyom Isrofilov](https://appshunter.io/developer/1868811060) | [Josef Dave Llorente](https://appshunter.io/developer/6803405669) |

## What reviewers say

### SferaPulse

[App page](https://appshunter.io/ios/app/sferapulse-pc-remote-control/id6759582641)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Monthly | $4.99 | per month |
| Premium — Monthly | $9.99 | per month |
| Pro — Yearly | $39.99 | per year |
| Premium — Yearly | $79.99 | per year |


### Spectrum Analyzer

[App page](https://appshunter.io/ios/app/spectrum-analyzer-audio-fft/id6803405667)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spectrum Analyzer - Audio FFT | $1.99 | one-time |


## Frequently asked questions

### Is SferaPulse free?

SferaPulse is free to download, with in-app purchases available.

### Is Spectrum Analyzer free?

Spectrum Analyzer is free to download, with in-app purchases available.

### Do SferaPulse or Spectrum Analyzer have ads?

Neither SferaPulse nor Spectrum Analyzer shows ads.

### Which is updated more often, SferaPulse or Spectrum Analyzer?

SferaPulse ships an update every 4 days, and Spectrum Analyzer daily. Most recently, SferaPulse was updated on October 7, 2026 and Spectrum Analyzer on October 15, 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.*