# Bx3 vs Lumen Grimoire

The clearest difference is in-app purchases: Bx3 at none against Lumen Grimoire's 3. Bx3 also leads on ads (none vs shown) and iOS requirement (13.4 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Lumen Grimoire sells 3 in-app purchases, starting at $2.99 per 7 days. Bx3 asks for nothing beyond the download.

Bx3 ships an update every 3 weeks, Lumen Grimoire fortnightly. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Bx3 | 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 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 1.4 GB |
| Requires iOS | **13.4** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 9+ |
| Developer | [Mark Brion](https://appshunter.io/developer/1656367223) | [Cristian Critelli](https://appshunter.io/developer/1887663603) |

## What reviewers say

### Bx3

[App page](https://appshunter.io/ios/app/bx3/id6444718484)

**Features:** macOS Compatibility

**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 Bx3 free?

Bx3 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 Bx3 or Lumen Grimoire have ads?

Lumen Grimoire shows ads; Bx3 does not.

### Which is updated more often, Bx3 or Lumen Grimoire?

Bx3 ships an update every 3 weeks, and Lumen Grimoire fortnightly. Most recently, Bx3 was updated on November 7, 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.*