# Readray (formerly LilysAI) vs PDF보내요

The clearest difference is in-app purchases: PDF보내요 at none against Readray (formerly LilysAI)'s 6. PDF보내요 also leads on update cadence (daily vs every 3 weeks) and review sentiment (100% vs 75%). On price, ads, device support and iOS requirement there is nothing between them.

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

Readray (formerly LilysAI) ships an update every 3 weeks, PDF보내요 daily. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Readray (formerly LilysAI) | PDF보내요 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pdf/id6780136280/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 173 MB | 7 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [LilysAI, INC.](https://appshunter.io/developer/1873842172) | [se hwan cha](https://appshunter.io/developer/884914489) |

## What reviewers say

### Readray (formerly LilysAI)

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

This app acts as an AI assistant for reading, summarizing and researching content from various sources like videos, articles, and documents. It organizes your reading material into a personal library and provides interactive insights, key points, and follow-up research.

**Highlights:** AI-powered summaries and key points, Interactive visuals and follow-up research, Captures screenshots and tables from content, Precise source citations for AI output, Organized library with folders and reading status, Cross-platform synchronization

**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 |


### PDF보내요

[App page](https://appshunter.io/ios/app/pdf/id6780136280)

This app offers a comprehensive suite of tools for managing PDF documents directly on your device. Easily scan, merge, compress, sign, and redact sensitive information without uploading your files to external servers. It's designed for quick and secure PDF handling for various submission and sharing needs.

**Highlights:** Scan documents to PDF, Convert photos to PDF, Merge and split PDFs, Compress PDFs to target size, Redact sensitive information, Add electronic signatures, Convert web pages to PDF

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

**In-app purchases:** none


## Frequently asked questions

### Is Readray (formerly LilysAI) free?

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

### Is PDF보내요 free?

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

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

Neither Readray (formerly LilysAI) nor PDF보내요 shows ads.

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

Readray (formerly LilysAI) ships an update every 3 weeks, and PDF보내요 daily. Most recently, Readray (formerly LilysAI) was updated on October 31, 2026 and PDF보내요 on October 24, 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.*