# 앨런 vs Readray (formerly LilysAI)

The clearest difference is in-app purchases: 앨런 at none against Readray (formerly LilysAI)'s 6. Readray (formerly LilysAI)'s advantage is review sentiment (75% vs 67%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Readray (formerly LilysAI) sells 6 in-app purchases, starting at $10.49 per month. 앨런 asks for nothing beyond the download.

앨런 ships an update monthly, Readray (formerly LilysAI) every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 앨런 | Readray (formerly LilysAI) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6448908457/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 59 MB | 173 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [ESTsoft corp.](https://appshunter.io/developer/381659603) | [LilysAI, INC.](https://appshunter.io/developer/1873842172) |

## What reviewers say

### 앨런

[App page](https://appshunter.io/ios/app/id6448908457)

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

**In-app purchases:** none


### Readray (formerly LilysAI)

[App page](https://appshunter.io/ios/app/readray-formerly-lilysai/id6759151868)

Quickly understand lengthy content from various sources like YouTube, PDFs, and web pages. Get structured summaries with visuals, cited answers, and AI-powered chat for deeper comprehension. Create flashcards and quizzes to reinforce learning.

**Highlights:** Summarize YouTube, web, PDFs, audio, video, Structured summaries with visuals, Cited answers with timestamps, AI chat for instant clarification, Flashcards and quizzes for reinforcement, Supports foreign content digestion

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LilysAI Starter Monthly | $10.49 | per month |
| LilysAI Basic Monthly | $19.99 | per month |
| LilysAI Pro Monthly | $59.99 | per month |
| LilysAI Starter Yearly | $91.99 | per year |
| LilysAI Basic Yearly | $179.99 | per year |
| LilysAI Pro Yearly | $599.99 | per year |


## Frequently asked questions

### Is 앨런 free?

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

### Is Readray (formerly LilysAI) free?

Readray (formerly LilysAI) is free to download, with in-app purchases available.

### Do 앨런 or Readray (formerly LilysAI) have ads?

Neither 앨런 nor Readray (formerly LilysAI) shows ads.

### Which is updated more often, 앨런 or Readray (formerly LilysAI)?

앨런 ships an update monthly, and Readray (formerly LilysAI) every 3 weeks. Most recently, 앨런 was updated on October 30, 2026 and Readray (formerly LilysAI) on October 31, 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.*