# Spectrolite vs IMS MIA

The clearest difference is in-app purchases: IMS MIA at none against Spectrolite's 1. IMS MIA also leads on iOS requirement (11.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Spectrolite sells 1 one-off in-app purchase. IMS MIA asks for nothing beyond the download.

Spectrolite ships an update every 8 months, IMS MIA every 14 months. Both last shipped on October 9, 2026.

## The numbers

| Metric | Spectrolite | IMS MIA |
| --- | --- | --- |
| 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 14 months |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 96 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Waxing Wave](https://appshunter.io/developer/392942046) | [IMS Messsysteme GmbH](https://appshunter.io/developer/1523298188) |

## 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 |


### IMS MIA

[App page](https://appshunter.io/ios/app/ims-mia/id1523298186)

**In-app purchases:** none


## Frequently asked questions

### Is Spectrolite free?

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

### Is IMS MIA free?

IMS MIA is free to download, with no in-app purchases.

### Do Spectrolite or IMS MIA have ads?

Neither Spectrolite nor IMS MIA shows ads.

### Which is updated more often, Spectrolite or IMS MIA?

Spectrolite ships an update every 8 months, and IMS MIA every 14 months. Most recently, Spectrolite was updated on October 9, 2026 and IMS MIA on October 9, 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.*