# 오직 온라인센터 vs Flexcil Note & Good PDF Reader

The clearest difference is in-app purchases: 오직 온라인센터 at none against Flexcil Note & Good PDF Reader's 13. 오직 온라인센터 also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Flexcil Note & Good PDF Reader's advantage is update cadence (weekly vs every 8 months). On price, review sentiment and device support there is nothing between them.

Both are free to download. Flexcil Note & Good PDF Reader sells 13 one-off in-app purchases. 오직 온라인센터 asks for nothing beyond the download.

오직 온라인센터 ships an update every 8 months, Flexcil Note & Good PDF Reader weekly. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 오직 온라인센터 | Flexcil Note & Good PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (408 ratings)](https://appshunter.io/ios/app/flexcil-note-and-good-pdf-reader/id1531466462/reviews)** |
| Number of ratings | — | **408** |
| Positive reviews | **60.0% of reviews** | 59.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 61 MB | 228 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ohjic corp.](https://appshunter.io/developer/480600062) | [Flexcil Inc.](https://appshunter.io/developer/1090873688) |

## What reviewers say

### 오직 온라인센터

[App page](https://appshunter.io/ios/app/id1505481030)

This app provides convenient access to church ministry services for members of Ohjic denomination churches. It allows users to utilize various services related to church activities. If login issues arise, contact your church office to verify your registered name and phone number.

**Highlights:** Church ministry services access, Convenient for church members, Login support, Service utilization

**Features:** macOS Compatibility

**In-app purchases:** none


### Flexcil Note & Good PDF Reader

[App page](https://appshunter.io/ios/app/flexcil-note-and-good-pdf-reader/id1531466462)

This app is a comprehensive note-taking and PDF reader designed for Apple devices. It allows users to edit PDFs, annotate documents, create bullet journals, and record audio, all while offering intuitive gesture controls and seamless integration with cloud services.

**Highlights:** Edit PDF pages, Annotate documents with gestures, Record and playback audio, Create bullet journals, Cloud sync across devices, Masking pen for precise annotations

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade product for old users | Free | one-time |
| Premium | $8.99 | one-time |
| Flexcil Standard | $9.99 | one-time |
| 2021-2022 Color Planner | $11.99 | one-time |
| Flexcil NEW Design Planner 22 | $11.99 | one-time |
| Premium & Toolbar Skin Pack | $12.99 | one-time |
| Hello Kitty Planner 2022 | $13.99 | one-time |
| My Melody & Kuromi Planner 22 | $13.99 | one-time |
| Standard & 21-22 Planner Pack | $14.99 | one-time |
| Standard & Design Planner Pack | $14.99 | one-time |
| Standard & 2023 Planner Pack | $14.99 | one-time |
| 2026 Ultimate Planner(Dated) : Pro | $15.49 | one-time |
| Nelna 6-in-1 Planner Bundle | $19.99 | one-time |

**What reviewers like**

- 🚀 Best Apps for STUDENTS!!! 😀😀
- 👍 Love this app
- 🚀 Powerful multi-page PDF viewer
- 👍 Great for studying
- 👍 Excellent app for note taking

**What reviewers complain about**

- 🐛 Crashes and performance issues
- 🐛 Syncing and backup problems
- 🐛 Buggy handwriting recognition
- 🐛 Unreliable palm rejection
- 🐛 Missing key features from previous version

**Reported bugs**

- Sudden data loss and file deletion
- Inability to restore purchases
- Frequent app crashes and freezes
- Inconsistent behavior of undo/redo functions
- Annotations not exporting correctly

**Requested features**

- Add iCloud sync and backup
- Improve handwriting search and recognition
- Bring back reading mode and one-page scrolling
- Add more pen and brush options
- Allow customizing notebook paper styles


## Frequently asked questions

### Is 오직 온라인센터 free?

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

### Is Flexcil Note & Good PDF Reader free?

Flexcil Note & Good PDF Reader is free to download, with in-app purchases available.

### Do 오직 온라인센터 or Flexcil Note & Good PDF Reader have ads?

Flexcil Note & Good PDF Reader shows ads; 오직 온라인센터 does not.

### Which is updated more often, 오직 온라인센터 or Flexcil Note & Good PDF Reader?

오직 온라인센터 ships an update every 8 months, and Flexcil Note & Good PDF Reader weekly. Most recently, 오직 온라인센터 was updated on October 8, 2026 and Flexcil Note & Good PDF Reader on October 17, 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.*