# Ghostreader AI vs Lumi

The clearest difference is update cadence: Lumi at daily against Ghostreader AI's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ghostreader AI sells 1 in-app purchase, starting at $6.99 per month and Lumi sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Ghostreader AI ships an update every 10 days, Lumi daily. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Ghostreader AI | Lumi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Size | 9 MB | 18 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [lauren brendle](https://appshunter.io/developer/6780510752) | [Ivan Trajanovski](https://appshunter.io/developer/1718049049) |

## What reviewers say

### Ghostreader AI

[App page](https://appshunter.io/ios/app/ghostreader-ai/id6780510750)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Avid Reader | $6.99 | per month |


### Lumi

[App page](https://appshunter.io/ios/app/lumi-book-tracker/id6791566415)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumi Pro Monthly | $5.99 | per month |
| Lumi Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Ghostreader AI free?

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

### Is Lumi free?

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

### Do Ghostreader AI or Lumi have ads?

Neither Ghostreader AI nor Lumi shows ads.

### Which is updated more often, Ghostreader AI or Lumi?

Ghostreader AI ships an update every 10 days, and Lumi daily. Most recently, Ghostreader AI was updated on October 10, 2026 and Lumi on October 12, 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.*