# Rhythm Lighting vs Lumen Grimoire

The clearest difference is in-app purchases: Rhythm Lighting at none against Lumen Grimoire's 3. Rhythm Lighting also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. Lumen Grimoire sells 3 in-app purchases, starting at $2.99 per 7 days. Rhythm Lighting asks for nothing beyond the download.

Rhythm Lighting ships an update every 2 weeks, Lumen Grimoire fortnightly. Both last shipped on November 9, 2026.

## The numbers

| Metric | Rhythm Lighting | Lumen Grimoire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (74 ratings)](https://appshunter.io/ios/app/lumen-grimoire-journal/id6761731752/reviews)** |
| Number of ratings | — | **74** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 1.4 GB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [DT Concepts, LLC](https://appshunter.io/developer/1872148996) | [Cristian Critelli](https://appshunter.io/developer/1887663603) |

## What reviewers say

### Rhythm Lighting

[App page](https://appshunter.io/ios/app/rhythm-lighting/id6758312802)

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

**In-app purchases:** none


### Lumen Grimoire

[App page](https://appshunter.io/ios/app/lumen-grimoire-journal/id6761731752)

This app offers a unique year-long illuminated journal experience. Each day, write a reflection and receive a custom-matched Companion card from a deck of 366 original designs. Your reflections and collected Companions form a personal, unshared manuscript.

**Highlights:** Year-long illuminated journal, Daily reflection entries, 366 original Companion cards, AI-powered literary narratives, On-device data storage, Premium subscription for expanded features

**Features:** iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumen Premium Weekly | $2.99 | per 7 days |
| Lumen Premium Monthly | $8.99 | per month |
| Lumen Premium • Annual | $44.99 | per year |


## Frequently asked questions

### Is Rhythm Lighting free?

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

### Is Lumen Grimoire free?

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

### Do Rhythm Lighting or Lumen Grimoire have ads?

Lumen Grimoire shows ads; Rhythm Lighting does not.

### Which is updated more often, Rhythm Lighting or Lumen Grimoire?

Rhythm Lighting ships an update every 2 weeks, and Lumen Grimoire fortnightly. Most recently, Rhythm Lighting was updated on November 9, 2026 and Lumen Grimoire on November 9, 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.*