# NOTA NOTA vs InVue mKEY

The clearest difference is update cadence: InVue mKEY at every 3 weeks against NOTA NOTA's every 2 months. NOTA NOTA's advantage is iOS requirement (9.0 vs 16.6). 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.

NOTA NOTA ships an update every 2 months, InVue mKEY every 3 weeks. Both last shipped on October 11, 2026.

## The numbers

| Metric | NOTA NOTA | InVue mKEY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nota-nota/id1439883035/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 32 MB | 35 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NOTA NOTA](https://appshunter.io/developer/1232016282) | [InVue Security Products](https://appshunter.io/developer/450492727) |

## What reviewers say

### NOTA NOTA

[App page](https://appshunter.io/ios/app/nota-nota/id1439883035)

Design and share your own unique perfumes with a global community of creators. Discover and explore fragrances designed by others, and even control a perfume-making machine.

**Highlights:** Design custom perfumes, Publish your creations, Discover designer perfumes, Control Nota Nota machine, Connect with creators

**Features:** macOS Compatibility

**In-app purchases:** none


### InVue mKEY

[App page](https://appshunter.io/ios/app/invue-mkey/id6739717410)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NOTA NOTA free?

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

### Is InVue mKEY free?

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

### Do NOTA NOTA or InVue mKEY have ads?

Neither NOTA NOTA nor InVue mKEY shows ads.

### Which is updated more often, NOTA NOTA or InVue mKEY?

NOTA NOTA ships an update every 2 months, and InVue mKEY every 3 weeks. Most recently, NOTA NOTA was updated on October 11, 2026 and InVue mKEY 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.*