# Cardma vs Lucid

The clearest difference is in-app purchases: Lucid at none against Cardma's 4. Cardma's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Cardma sells 4 in-app purchases, starting at $3.99 per month. Lucid asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Cardma | Lucid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Size | 63 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [chung-Ying Xie](https://appshunter.io/developer/1292685929) | [Goo wong Kwon](https://appshunter.io/developer/1895637047) |

## What reviewers say

### Cardma

[App page](https://appshunter.io/ios/app/cardma/id6747955972)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plus | $3.99 | per month |
| Monthly Pro | $7.99 | per month |
| Annual Plus | $29.99 | per year |
| Annual Pro | $79.99 | per year |


### Lucid

[App page](https://appshunter.io/ios/app/lucid-second-brain/id6777908024)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cardma free?

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

### Is Lucid free?

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

### Do Cardma or Lucid have ads?

Neither Cardma nor Lucid shows ads.

### Which is updated more often, Cardma or Lucid?

Cardma ships an update every 3 days, and Lucid every 3 days. Most recently, Cardma was updated on October 25, 2026 and Lucid on October 22, 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.*