# Key Cards vs SonicNote

The clearest difference is price: SonicNote at Free against Key Cards's $0.99. SonicNote also leads on ads (none vs shown) and update cadence (every 6 days vs every 29 months). Key Cards's advantage is in-app purchases (none vs 1) and chart position (#192 vs unranked). On device support and iOS requirement there is nothing between them.

SonicNote is free to download; Key Cards costs $0.99 up front. SonicNote sells 1 in-app purchase, starting at $2.99 per month. Key Cards asks for nothing beyond the download.

Key Cards ships an update every 29 months, SonicNote every 6 days. The most recent releases landed on September 15, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Key Cards | SonicNote |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/key-cards/id6476835457/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 29 months | **Every 6 days** |
| Monetization | Paid | — |
| Best chart rank | **#192** | — |
| Size | 6 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [晓光 张](https://appshunter.io/developer/1672824435) |

## What reviewers say

### Key Cards

[App page](https://appshunter.io/ios/app/key-cards/id6476835457)

**Currently charting:** #192 Top Paid · Productivity (US App Store)

Digitally store and manage all your cards, from membership and rewards to identification. Securely save card images on your device for easy access, keeping them separate from your photo gallery.

**Highlights:** Digital card storage, Membership and rewards card management, Identification card storage, Secure on-device storage, Organized card interface, Easy card retrieval

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

**In-app purchases:** none


### SonicNote

[App page](https://appshunter.io/ios/app/sonicnote/id6758021127)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SonicNote Pro | $2.99 | per month |


## Frequently asked questions

### Is Key Cards free?

Key Cards costs $0.99, with no in-app purchases.

### Is SonicNote free?

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

### Do Key Cards or SonicNote have ads?

Key Cards shows ads; SonicNote does not.

### Which is updated more often, Key Cards or SonicNote?

Key Cards ships an update every 29 months, and SonicNote every 6 days. Most recently, Key Cards was updated on September 15, 2026 and SonicNote on September 8, 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.*