# Lucid vs Patina Days

The clearest difference is in-app purchases: Lucid at none against Patina Days's 1. Lucid also leads on update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Patina Days sells 1 one-off in-app purchase. Lucid asks for nothing beyond the download.

Lucid ships an update every 3 days, Patina Days every 2 months. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Lucid | Patina Days |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 2 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Goo wong Kwon](https://appshunter.io/developer/1895637047) | [torankirite](https://appshunter.io/developer/1883564850) |

## What reviewers say

### Lucid

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

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

**In-app purchases:** none


### Patina Days

[App page](https://appshunter.io/ios/app/patina-days-habit-tracker/id6781112340)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


## Frequently asked questions

### Is Lucid free?

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

### Is Patina Days free?

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

### Do Lucid or Patina Days have ads?

Neither Lucid nor Patina Days shows ads.

### Which is updated more often, Lucid or Patina Days?

Lucid ships an update every 3 days, and Patina Days every 2 months. Most recently, Lucid was updated on October 22, 2026 and Patina Days on October 28, 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.*