# Flexcil Note & Good PDF Reader vs CRUMB

The clearest difference is price: Flexcil Note & Good PDF Reader at Free against CRUMB's $7.99. CRUMB's advantage is in-app purchases (none vs 13) and ads (none vs shown). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

Flexcil Note & Good PDF Reader is free to download; CRUMB costs $7.99 up front. Flexcil Note & Good PDF Reader sells 13 one-off in-app purchases. CRUMB asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Flexcil Note & Good PDF Reader against 4.4 for CRUMB. Both are backed by a comparable volume of ratings — 408 and 138 respectively. Written reviews are what separate them: 59% of Flexcil Note & Good PDF Reader's written reviews are positive against 56% of CRUMB's.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Flexcil Note & Good PDF Reader | CRUMB |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | [4.4 (408 ratings)](https://appshunter.io/ios/app/flexcil-note-and-good-pdf-reader/id1531466462/reviews) | [4.4 (138 ratings)](https://appshunter.io/ios/app/crumb/id1639868071/reviews) |
| Number of ratings | **408** | 138 |
| Positive reviews | **59.3% of reviews** | 55.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 228 MB | 496 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flexcil Inc.](https://appshunter.io/developer/1090873688) | [Vital Group Limited](https://appshunter.io/developer/1355662516) |

## What reviewers say

### 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


### CRUMB

[App page](https://appshunter.io/ios/app/crumb/id1639868071)

Explore and build electronic circuits in an interactive 3D environment. Learn circuit basics, experiment with components, and analyze performance with built-in tools without the risk of damaging real parts.

**Highlights:** Interactive 3D circuit construction, Wide selection of electronic components, Study transistors and audio filtering, Program EEPROMs, Built-in oscilloscope and analysis views, Prototype analysis before real-world construction

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great for beginners
- 💡 Good for learning new skills
- ✨ Simple to put things together
- 🎨 Great graphics
- 🧩 Plenty of components

**What reviewers complain about**

- ❌ Very limited components
- ❌ Lacks modern components
- 🐛 Crashing frequently
- 🐛 App crashes when using corners
- 🐛 Crashing on Mac

**Reported bugs**

- App crashes when using the “corners” option on jumper wires
- Experienced some crashing on Mac
- Component images do not rotate
- Power rails are backwards related to real life breadboards
- Program counters (74HC161) do not reset to 0 on a reset signal

**Requested features**

- Implement modern components (TI IC, LTC series)
- Add 12 segment display
- Add Arduino and other microcontrollers
- Add a spot to code Arduino/microcontrollers
- Allow custom wire colors


## Frequently asked questions

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

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

### Is CRUMB free?

CRUMB costs $7.99, with no in-app purchases.

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

Flexcil Note & Good PDF Reader and CRUMB are both rated 4.4 out of 5 on the App Store, from 408 and 138 ratings respectively.

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

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

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

Flexcil Note & Good PDF Reader ships an update weekly, and CRUMB weekly. Most recently, Flexcil Note & Good PDF Reader was updated on October 15, 2026 and CRUMB on October 14, 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.*