# Live Spectrogram vs Spectrum

The clearest difference is in-app purchases: Live Spectrogram at none against Spectrum's 1. Live Spectrogram also leads on price ($1.99 vs $5.99) and iOS requirement (13.0 vs 15.0). Spectrum's advantage is update cadence (every 2 weeks vs every 31 months). On ads and device support there is nothing between them.

Live Spectrogram costs $1.99 and Spectrum $5.99 up front. Spectrum sells 1 one-off in-app purchase. Live Spectrogram asks for nothing beyond the download.

Live Spectrogram ships an update every 31 months, Spectrum every 2 weeks. The most recent releases landed on September 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Live Spectrogram | Spectrum |
| --- | --- | --- |
| Price | **$1.99** | $5.99 |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/live-spectrogram/id630831185/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 15 MB | 10 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krueger Systems, Inc.](https://appshunter.io/developer/299293363) | [Victor Serov](https://appshunter.io/developer/1635616731) |

## What reviewers say

### Live Spectrogram

[App page](https://appshunter.io/ios/app/live-spectrogram/id630831185)

Visualize sound frequencies in real-time with this tool. It displays audio intensity across time and frequency using color, helping you perfect singing, analyze animal calls, or locate household noises.

**Highlights:** Real-time audio visualization, Frequency analysis, Time-based spectrum display, Intensity shown by color, Singing voice perfection, Animal call analysis, Sound source identification

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

**In-app purchases:** none


### Spectrum

[App page](https://appshunter.io/ios/app/spectrum-v-audio-analyzer/id6450556284)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version | $0.99 | one-time |


## Frequently asked questions

### Is Live Spectrogram free?

Live Spectrogram costs $1.99, with no in-app purchases.

### Is Spectrum free?

Spectrum costs $5.99, and also offers in-app purchases.

### Do Live Spectrogram or Spectrum have ads?

Neither Live Spectrogram nor Spectrum shows ads.

### Which is updated more often, Live Spectrogram or Spectrum?

Live Spectrogram ships an update every 31 months, and Spectrum every 2 weeks. Most recently, Live Spectrogram was updated on September 18, 2026 and Spectrum on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*