# 공부메이트 vs PDF보내요

The clearest difference is update cadence: PDF보내요 at daily against 공부메이트's every 4 days. 공부메이트's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

공부메이트 ships an update every 4 days, PDF보내요 daily. The most recent releases landed on November 5, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 공부메이트 | PDF보내요 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pdf/id6780136280/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | — | Free |
| Size | 101 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [addWisdom](https://appshunter.io/developer/1877454199) | [se hwan cha](https://appshunter.io/developer/884914489) |

## What reviewers say

### 공부메이트

[App page](https://appshunter.io/ios/app/id6761164743)

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

**In-app purchases:** none


### PDF보내요

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

This all-in-one app simplifies PDF tasks like scanning, merging, compressing, signing, and redacting. It ensures all operations are processed on your device, safeguarding your personal information. Quickly prepare and share documents for assignments, official submissions, contracts, and more.

**Highlights:** Scan documents to PDF, Convert multiple photos to PDF, Merge and split PDFs, Compress PDFs to target size, Redact sensitive information, Add electronic signatures and stamps, Generate submission-ready filenames

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

**In-app purchases:** none


## Frequently asked questions

### Is 공부메이트 free?

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

### Is PDF보내요 free?

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

### Do 공부메이트 or PDF보내요 have ads?

Neither 공부메이트 nor PDF보내요 shows ads.

### Which is updated more often, 공부메이트 or PDF보내요?

공부메이트 ships an update every 4 days, and PDF보내요 daily. Most recently, 공부메이트 was updated on November 5, 2026 and PDF보내요 on November 7, 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.*