# NSP32 nanoLambda Spectrometer vs Notte

The clearest difference is update cadence: Notte at monthly against NSP32 nanoLambda Spectrometer's every 2 months. NSP32 nanoLambda Spectrometer's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NSP32 nanoLambda Spectrometer ships an update every 2 months, Notte monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NSP32 nanoLambda Spectrometer | Notte |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 22 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [nanoLambda](https://appshunter.io/developer/1848242561) | [Sebastian Nicosia](https://appshunter.io/developer/6780140760) |

## What reviewers say

### NSP32 nanoLambda Spectrometer

[App page](https://appshunter.io/ios/app/nsp32-nanolambda-spectrometer/id1480194984)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is NSP32 nanoLambda Spectrometer free?

NSP32 nanoLambda Spectrometer is free to download, with no in-app purchases.

### Is Notte free?

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

### Do NSP32 nanoLambda Spectrometer or Notte have ads?

Neither NSP32 nanoLambda Spectrometer nor Notte shows ads.

### Which is updated more often, NSP32 nanoLambda Spectrometer or Notte?

NSP32 nanoLambda Spectrometer ships an update every 2 months, and Notte monthly. Most recently, NSP32 nanoLambda Spectrometer was updated on November 3, 2026 and Notte on October 31, 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.*