# Spectrolite vs CavernSeer

The clearest difference is in-app purchases: CavernSeer at none against Spectrolite's 1. CavernSeer also leads on review sentiment (100% vs 83%) and rating (5.0 vs 4.8). Spectrolite's advantage is ratings volume (51 vs 3). On price, ads, device support and iOS requirement there is nothing between them.

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

CavernSeer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Spectrolite has 51 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 83% of Spectrolite's written reviews are positive against 100% of CavernSeer's.

Spectrolite ships an update every 8 months, CavernSeer every 3 months. The most recent releases landed on September 23, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Spectrolite | CavernSeer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (51 ratings)](https://appshunter.io/ios/app/spectrolite/id1480240180/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cavernseer/id1562503316/reviews)** |
| Number of ratings | **51** | 3 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 1 MB | 10 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Waxing Wave](https://appshunter.io/developer/392942046) | [Samuel Grush](https://appshunter.io/developer/1562503318) |

## 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 |


### CavernSeer

[App page](https://appshunter.io/ios/app/cavernseer/id1562503316)

This app uses LiDAR scanners to create detailed 3D models of real-world spaces like caves and shelters. It offers various viewing modes, including 3D, top-down, and side-view projections, with export options for generated meshes.

**Highlights:** LiDAR-powered 3D mesh generation, Multiple viewing modes (3D, plan, elevation), Export scan files (.OBJ), High-resolution screenshot capture, Unit conversion (meters/feet), Debugging overlays

**In-app purchases:** none


## Frequently asked questions

### Is Spectrolite free?

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

### Is CavernSeer free?

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

### Which has better reviews, Spectrolite or CavernSeer?

CavernSeer is rated higher. Spectrolite averages 4.8 out of 5 from 51 ratings, while CavernSeer averages 5.0 from 3 ratings.

### Do Spectrolite or CavernSeer have ads?

Neither Spectrolite nor CavernSeer shows ads.

### Which is updated more often, Spectrolite or CavernSeer?

Spectrolite ships an update every 8 months, and CavernSeer every 3 months. Most recently, Spectrolite was updated on September 23, 2026 and CavernSeer on October 11, 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.*