# Quant Authenticator vs Discreet Notes

The clearest difference is update cadence: Discreet Notes at every 9 days against Quant Authenticator's every 3 months. 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.

Quant Authenticator ships an update every 3 months, Discreet Notes every 9 days. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Quant Authenticator | Discreet Notes |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 36 MB | 9 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [esaqa GmbH](https://appshunter.io/developer/1545581496) | [Ivan Milicevic](https://appshunter.io/developer/1732082181) |

## What reviewers say

### Quant Authenticator

[App page](https://appshunter.io/ios/app/quant-authenticator/id6459475820)

**Features:** Vision Pro support

**In-app purchases:** none


### Discreet Notes

[App page](https://appshunter.io/ios/app/discreet-notes/id6478173166)

This app offers a unique way to manage your notes with a strong emphasis on privacy. You can create truly hidden notes accessible only by their specific passphrase, or opt for visible notes for everyday use. It supports Markdown formatting and iCloud sync across Apple devices.

**Highlights:** Truly private hidden notes, Visible notes option, Raw Markdown editor, Markdown preview toggle, iCloud sync, Dark mode

**In-app purchases:** none


## Frequently asked questions

### Is Quant Authenticator free?

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

### Is Discreet Notes free?

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

### Do Quant Authenticator or Discreet Notes have ads?

Neither Quant Authenticator nor Discreet Notes shows ads.

### Which is updated more often, Quant Authenticator or Discreet Notes?

Quant Authenticator ships an update every 3 months, and Discreet Notes every 9 days. Most recently, Quant Authenticator was updated on September 17, 2026 and Discreet Notes on September 16, 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.*