# PureFlow vs Diagrams Notepad 3

The clearest difference is review sentiment: PureFlow at 85% against Diagrams Notepad 3's 39%. PureFlow also leads on rating (4.6 vs 3.5) and in-app purchases (none vs 1). Diagrams Notepad 3's advantage is device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Diagrams Notepad 3 sells 1 one-off in-app purchase. PureFlow asks for nothing beyond the download.

PureFlow holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 154 and 51 respectively. Written reviews point the same way: 85% of PureFlow's written reviews are positive against 39% of Diagrams Notepad 3's.

PureFlow ships an update weekly, Diagrams Notepad 3 monthly. The most recent releases landed on July 27, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | PureFlow | Diagrams Notepad 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (154 ratings)](https://appshunter.io/ios/app/pureflow/id600955222/reviews)** | [3.5 (51 ratings)](https://appshunter.io/ios/app/diagrams-notepad-3/id1387425355/reviews) |
| Number of ratings | **154** | 51 |
| Positive reviews | **84.8% of reviews** | 39.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 26 MB | 29 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandr Kozlov](https://appshunter.io/developer/600955225) | [sunata UG (haftungsbeschraenkt)](https://appshunter.io/developer/1387425354) |

## What reviewers say

### PureFlow

[App page](https://appshunter.io/ios/app/pureflow/id600955222)

Create professional flowcharts and diagrams with ease. Its intuitive interface is optimized for diagram editing, allowing for the rapid creation of visually appealing charts.

**Highlights:** Flowchart creation, Diagram editing, Intuitive interface, Fast diagram generation, Visually appealing charts

**In-app purchases:** none

**What reviewers like**

- 🚀 Intuitive and easy to use
- 👍 Produces clean and attractive flowcharts
- 🚀 Simple and straightforward
- 👍 Great for basic flowcharting needs
- 👍 Surprisingly powerful for a free app

**What reviewers complain about**

- 🐛 Occasional crashes or stability issues
- 🔧 Limited customization options
- 🔧 Inability to manipulate lines and arrows
- 🔧 Lack of export/sharing options without in-app purchase

**Reported bugs**

- Crashes on certain iOS versions
- Inability to save or export flowcharts
- Alignment issues with text and shapes

**Requested features**

- Ability to add images or custom shapes
- Improved text editing and formatting options
- Straight line/right angle connections
- Collaboration and real-time sharing features
- Improved export options (e.g. Dropbox, Google Drive)


### Diagrams Notepad 3

[App page](https://appshunter.io/ios/app/diagrams-notepad-3/id1387425355)

Create and sync diagrams, flowcharts, and mind maps across iPhone, iPad, and Mac. Supports Apple Pencil for drawing and offers collaboration features. Export in various formats.

**Highlights:** Cross-device sync via iCloud, Vector-based shapes and connectors, Apple Pencil support, Diagram sharing and collaboration, Export to PDF, PNG, JPEG, Unlimited diagram size

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited number of diagrams | $22.99 | one-time |


## Frequently asked questions

### Is PureFlow free?

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

### Is Diagrams Notepad 3 free?

Diagrams Notepad 3 is free to download, with in-app purchases available.

### Which has better reviews, PureFlow or Diagrams Notepad 3?

PureFlow is rated higher. PureFlow averages 4.6 out of 5 from 154 ratings, while Diagrams Notepad 3 averages 3.5 from 51 ratings.

### Do PureFlow or Diagrams Notepad 3 have ads?

Neither PureFlow nor Diagrams Notepad 3 shows ads.

### Which is updated more often, PureFlow or Diagrams Notepad 3?

PureFlow ships an update weekly, and Diagrams Notepad 3 monthly. Most recently, PureFlow was updated on July 27, 2026 and Diagrams Notepad 3 on June 9, 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.*