# Lucid vs Relalog

The clearest difference is in-app purchases: Lucid at none against Relalog's 1. On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Lucid | Relalog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 2 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Goo wong Kwon](https://appshunter.io/developer/1895637047) | [IT FRONTIER, K.K.](https://appshunter.io/developer/1896648452) |

## 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


### Relalog

[App page](https://appshunter.io/ios/app/relalog/id6781267189)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Relalog | $5.99 | one-time |


## Frequently asked questions

### Is Lucid free?

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

### Is Relalog free?

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

### Do Lucid or Relalog have ads?

Neither Lucid nor Relalog shows ads.

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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.*