# SpectraHold vs Simple Spectrogram

The clearest difference is in-app purchases: Simple Spectrogram at none against SpectraHold's 2. SpectraHold's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. SpectraHold sells 2 one-off in-app purchases. Simple Spectrogram asks for nothing beyond the download.

## The numbers

| Metric | SpectraHold | Simple Spectrogram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-spectrogram/id6823407210/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | — | Free |
| Size | 6 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RAFAEL SILVA PFLEGER](https://appshunter.io/developer/6815799174) | [DANIEL LAWRENCE LU](https://appshunter.io/developer/6823407212) |

## What reviewers say

### SpectraHold

[App page](https://appshunter.io/ios/app/spectrahold/id6815799172)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day Trial | Free | one-time |
| Full Access | $5.99 | one-time |


### Simple Spectrogram

[App page](https://appshunter.io/ios/app/simple-spectrogram/id6823407210)

Visualize sound frequencies in real-time with a dynamic spectrogram. Analyze audio, identify musical notes, and adjust display settings for detailed sound inspection. Audio processing is done entirely on-device, ensuring privacy.

**Highlights:** Real-time spectrogram visualization, Logarithmic frequency scale, Identify musical notes and frequencies, Pause and inspect audio slices, Adjustable frequency range and contrast, Portrait and landscape support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SpectraHold free?

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

### Is Simple Spectrogram free?

Simple Spectrogram is free to download, with no in-app purchases.

### Do SpectraHold or Simple Spectrogram have ads?

Neither SpectraHold nor Simple Spectrogram shows ads.

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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.*