# Sonic Wave vs Vernier

The clearest difference is in-app purchases: Vernier at none against Sonic Wave's 2. Vernier also leads on rating (5.0 vs 4.8). Sonic Wave's advantage is ratings volume (27 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sonic Wave sells 2 in-app purchases, starting at $6.99 per 7 days. Vernier asks for nothing beyond the download.

Vernier holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Sonic Wave has 27 ratings behind it against 1, so its average is the more settled of the two.

Sonic Wave ships an update fortnightly, Vernier every 3 weeks. The most recent releases landed on September 27, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Sonic Wave | Vernier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (27 ratings)](https://appshunter.io/ios/app/sonic-wave-speaker-test/id6449284521/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vernier/id6476447568/reviews)** |
| Number of ratings | **27** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 34 MB | 1 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [佳伟 薛](https://appshunter.io/developer/1628251392) | [Global Tactile, LLC](https://appshunter.io/developer/1635396885) |

## What reviewers say

### Sonic Wave

[App page](https://appshunter.io/ios/app/sonic-wave-speaker-test/id6449284521)

Test your device's speakers by adjusting tone frequency and choosing clean sounds. Measure decibels and hertz with a single click. Offers weekly and monthly subscription options for full access.

**Highlights:** Speaker tone adjustment, Clean sound selection, Decibel and Hertz measurement, Stereo testing, Frequency control

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sonic Wave Subscription Week | $6.99 | per 7 days |
| Sonic Wave Subscription Month | $12.99 | per month |


### Vernier

[App page](https://appshunter.io/ios/app/vernier/id6476447568)

This application aids in testing visual and tactile acuity using Vernier lines. It also supports Neo Controller calibration and testing for enhanced functionality.

**Highlights:** Visual acuity testing, Tactile acuity testing, Vernier line display, Neo Controller calibration, Neo Controller testing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sonic Wave free?

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

### Is Vernier free?

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

### Which has better reviews, Sonic Wave or Vernier?

Vernier is rated higher. Sonic Wave averages 4.8 out of 5 from 27 ratings, while Vernier averages 5.0 from 1 ratings.

### Do Sonic Wave or Vernier have ads?

Neither Sonic Wave nor Vernier shows ads.

### Which is updated more often, Sonic Wave or Vernier?

Sonic Wave ships an update fortnightly, and Vernier every 3 weeks. Most recently, Sonic Wave was updated on September 27, 2026 and Vernier on June 5, 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.*