# Spectrolite vs Ed Glaser Propane Inc.

The clearest difference is in-app purchases: Ed Glaser Propane Inc. at none against Spectrolite's 1. Ed Glaser Propane Inc. also leads on update cadence (every 4 months vs every 8 months) and iOS requirement (12.2 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Spectrolite sells 1 one-off in-app purchase. Ed Glaser Propane Inc. asks for nothing beyond the download.

Spectrolite ships an update every 8 months, Ed Glaser Propane Inc. every 4 months. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Spectrolite | Ed Glaser Propane Inc. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (51 ratings)](https://appshunter.io/ios/app/spectrolite/id1480240180/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 56 MB |
| Requires iOS | 15.6 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Waxing Wave](https://appshunter.io/developer/392942046) | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) |

## What reviewers say

### Spectrolite

[App page](https://appshunter.io/ios/app/spectrolite/id1480240180)

This app visualizes sound in real-time using various spectrogram types. Explore detailed audio data with intuitive touch controls and adjustable parameters. An optional purchase unlocks advanced measurement tools.

**Highlights:** Real-time spectrogram visualization, Constant-Q, linear, and mel frequency scales, Full human hearing frequency range, Intuitive touch panning and zooming, Adjustable gain, Q, and other parameters, Pro version: grids, scales, spectrum view, tap-to-measure

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | one-time |


### Ed Glaser Propane Inc.

[App page](https://appshunter.io/ios/app/ed-glaser-propane-inc/id6745528648)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spectrolite free?

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

### Is Ed Glaser Propane Inc. free?

Ed Glaser Propane Inc. is free to download, with no in-app purchases.

### Do Spectrolite or Ed Glaser Propane Inc. have ads?

Neither Spectrolite nor Ed Glaser Propane Inc. shows ads.

### Which is updated more often, Spectrolite or Ed Glaser Propane Inc.?

Spectrolite ships an update every 8 months, and Ed Glaser Propane Inc. every 4 months. Most recently, Spectrolite was updated on October 9, 2026 and Ed Glaser Propane Inc. on September 29, 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.*