# PDF보내요 vs Spiralday

The clearest difference is update cadence: PDF보내요 at daily against Spiralday's every 4 days. PDF보내요 also leads on ratings volume (3 vs 1). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for PDF보내요 against 5.0 for Spiralday. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

PDF보내요 ships an update daily, Spiralday every 4 days. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | PDF보내요 | Spiralday |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/pdf/id6780136280/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/spiralday/id6818437748/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Monetization | Free | Free |
| Size | 7 MB | 78 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [se hwan cha](https://appshunter.io/developer/884914489) | [LeanAgileHungry Inc.](https://appshunter.io/developer/1796984931) |

## What reviewers say

### 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


### Spiralday

[App page](https://appshunter.io/ios/app/spiralday/id6818437748)

Organize your day with a digital planner that mimics the feel of paper. Track tasks, manage your time in 10-minute intervals, and decorate your planner with notes, stickers, and photos. Sync across devices for seamless planning.

**Highlights:** 10-minute time blocking, Task completion tracking (complete, partial, postponed), Customizable planner layouts, Digital stickers and memo pads, Daily, weekly, and monthly statistics, PDF export for plans, Cross-device synchronization

**In-app purchases:** none


## Frequently asked questions

### Is PDF보내요 free?

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

### Is Spiralday free?

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

### Which has better reviews, PDF보내요 or Spiralday?

PDF보내요 and Spiralday are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do PDF보내요 or Spiralday have ads?

Neither PDF보내요 nor Spiralday shows ads.

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

PDF보내요 ships an update daily, and Spiralday every 4 days. Most recently, PDF보내요 was updated on November 7, 2026 and Spiralday on November 6, 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.*