# Spectrolite vs Waver

The clearest difference is in-app purchases: Waver at none against Spectrolite's 1. Waver also leads on update cadence (every 3 days vs every 8 months) and review sentiment (100% vs 83%). Spectrolite's advantage is ratings volume (51 vs 11). On price, rating, ads and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.8 for Spectrolite against 4.9 for Waver. Both are backed by a comparable volume of ratings — 51 and 11 respectively. Written reviews are what separate them: 83% of Spectrolite's written reviews are positive against 100% of Waver's.

Spectrolite ships an update every 8 months, Waver every 3 days. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Spectrolite | Waver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (51 ratings)](https://appshunter.io/ios/app/spectrolite/id1480240180/reviews) | **[4.9 (11 ratings)](https://appshunter.io/ios/app/waver-data-over-sound/id1543607865/reviews)** |
| Number of ratings | **51** | 11 |
| 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 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 1 MB | 10 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Waxing Wave](https://appshunter.io/developer/392942046) | [Georgi Gerganov](https://appshunter.io/developer/1543607867) |

## 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 |


### Waver

[App page](https://appshunter.io/ios/app/waver-data-over-sound/id1543607865)

Communicate with nearby devices using sound waves for text and file sharing. This app enables local messaging without an internet connection, utilizing your device's speaker and microphone.

**Highlights:** Text messaging via sound, File sharing over local network, Audible and ultrasound protocols, No internet connection required, Real-time audio spectrum analysis, Adjustable volume and transmission settings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spectrolite free?

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

### Is Waver free?

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

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

Waver is rated higher. Spectrolite averages 4.8 out of 5 from 51 ratings, while Waver averages 4.9 from 11 ratings.

### Do Spectrolite or Waver have ads?

Neither Spectrolite nor Waver shows ads.

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

Spectrolite ships an update every 8 months, and Waver every 3 days. Most recently, Spectrolite was updated on October 9, 2026 and Waver on October 10, 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.*