# Cardnote.io vs 1secNote

The clearest difference is price: Cardnote.io at Free against 1secNote's $2.99. 1secNote's advantage is update cadence (every 4 weeks vs every 3 months) and chart position (#199 vs unranked). On ads, in-app purchases and iOS requirement there is nothing between them.

Cardnote.io is free to download; 1secNote costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cardnote.io ships an update every 3 months, 1secNote every 4 weeks. The most recent releases landed on June 11, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | Cardnote.io | 1secNote |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | — | Paid |
| Best chart rank | — | **#199** |
| Size | 9 MB | 34 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Wonseon Yu](https://appshunter.io/developer/1692860564) | [editoy Inc.](https://appshunter.io/developer/1191725361) |

## What reviewers say

### Cardnote.io

[App page](https://appshunter.io/ios/app/cardnoteio/id6450712201)

**Features:** macOS Compatibility

**In-app purchases:** none


### 1secNote

[App page](https://appshunter.io/ios/app/1secnote-floating-prompter/id6476831073)

**Currently charting:** #199 Top Paid · Productivity (US App Store)

This app allows you to view notes discreetly while using your device's camera or other applications. It offers AI-powered suggestions and syncs across all your Apple devices, with a unique retro aesthetic option.

**Highlights:** Floating note display, AI line suggestions, Cross-device synchronization, Notch and status bar integration, Retro aesthetic mode

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Cardnote.io free?

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

### Is 1secNote free?

1secNote costs $2.99, with no in-app purchases.

### Do Cardnote.io or 1secNote have ads?

Neither Cardnote.io nor 1secNote shows ads.

### Which is updated more often, Cardnote.io or 1secNote?

Cardnote.io ships an update every 3 months, and 1secNote every 4 weeks. Most recently, Cardnote.io was updated on June 11, 2026 and 1secNote on August 25, 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.*