# IV Go vs Flexcil Note & Good PDF Reader

The clearest difference is rating: Flexcil Note & Good PDF Reader at 4.4 against IV Go's 2.8. Flexcil Note & Good PDF Reader also leads on update cadence (weekly vs every 6 weeks) and review sentiment (59% vs 39%). IV Go's advantage is in-app purchases (none vs 13) and iOS requirement (9.0 vs 15.0). On price, ratings volume, ads 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. IV Go asks for nothing beyond the download.

Flexcil Note & Good PDF Reader holds the better App Store score, 4.4 against 2.8. Both are backed by a comparable volume of ratings — 342 and 408 respectively. Written reviews point the same way: 39% of IV Go's written reviews are positive against 59% of Flexcil Note & Good PDF Reader's.

IV Go ships an update every 6 weeks, Flexcil Note & Good PDF Reader weekly. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | IV Go | Flexcil Note & Good PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (342 ratings)](https://appshunter.io/ios/app/iv-go/id1166622632/reviews) | **[4.4 (408 ratings)](https://appshunter.io/ios/app/flexcil-note-and-good-pdf-reader/id1531466462/reviews)** |
| Number of ratings | 342 | **408** |
| Positive reviews | 39.0% of reviews | **59.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 103 MB | 228 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHAO KAI YU](https://appshunter.io/developer/1166622631) | [Flexcil Inc.](https://appshunter.io/developer/1090873688) |

## What reviewers say

### IV Go

[App page](https://appshunter.io/ios/app/iv-go/id1166622632)

This application offers a straightforward method for analyzing your game statistics. It provides a simple interface to review your performance data. For any inquiries, you can reach out via email.

**Highlights:** Simple game data analysis, Performance review, Email support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate IV calculations
- 👍 Convenient and easy to use
- ⭐ Great app overall

**What reviewers complain about**

- 🐛 Frequent crashes and login issues
- ⚠️ App not working after updates
- 💤 Offline mode not as accurate

**Reported bugs**

- Login not working for weeks
- App crashes on startup
- Offline mode not working properly

**Requested features**

- Update the app to fix login and crashes
- Bring back automatic login feature
- Add more customization options


### 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 IV Go free?

IV Go 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.

### Which has better reviews, IV Go or Flexcil Note & Good PDF Reader?

Flexcil Note & Good PDF Reader is rated higher. IV Go averages 2.8 out of 5 from 342 ratings, while Flexcil Note & Good PDF Reader averages 4.4 from 408 ratings.

### Do IV Go or Flexcil Note & Good PDF Reader have ads?

Both IV Go and Flexcil Note & Good PDF Reader show ads.

### Which is updated more often, IV Go or Flexcil Note & Good PDF Reader?

IV Go ships an update every 6 weeks, and Flexcil Note & Good PDF Reader weekly. Most recently, IV Go was updated on October 14, 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.*