# Notte vs Sound Meter

The clearest difference is in-app purchases: Notte at none against Sound Meter's 2. Notte also leads on ads (none vs shown) and device support (3 vs 1). Sound Meter's advantage is update cadence (every 9 days vs monthly). On price and iOS requirement there is nothing between them.

Both are free to download. Sound Meter sells 2 in-app purchases, starting at $1.99 per year. Notte asks for nothing beyond the download.

Notte ships an update monthly, Sound Meter every 9 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Notte | Sound Meter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | — |
| Size | 6 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 17+ | 9+ |
| Developer | [Sebastian Nicosia](https://appshunter.io/developer/6780140760) | [VELTORA LLC](https://appshunter.io/developer/6780920672) |

## What reviewers say

### Notte

[App page](https://appshunter.io/ios/app/notte-accessibility/id6789895424)

This tool enhances web accessibility by offering customizable dark mode and a suite of visual adjustments for low vision users. It allows per-site settings for contrast, brightness, text size, and more, all while preserving natural image colors.

**Highlights:** High-contrast dark mode, Per-site visual adjustments, Adjustable contrast and brightness, Customizable text size and spacing, Dyslexia-friendly font option, Link emphasis and focus outline, Reduced motion for animations

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


### Sound Meter

[App page](https://appshunter.io/ios/app/sound-meter-db-spl-veltora/id6802572142)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual | $1.99 | per year |
| Premium Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Notte free?

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

### Is Sound Meter free?

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

### Do Notte or Sound Meter have ads?

Sound Meter shows ads; Notte does not.

### Which is updated more often, Notte or Sound Meter?

Notte ships an update monthly, and Sound Meter every 9 days. Most recently, Notte was updated on October 31, 2026 and Sound Meter on October 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.*