# PureFlow vs NowStack

The clearest difference is in-app purchases: PureFlow at none against NowStack's 1. PureFlow also leads on iOS requirement (14.0 vs 17.0). NowStack's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

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

PureFlow ships an update weekly, NowStack every 8 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PureFlow | NowStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (162 ratings)](https://appshunter.io/ios/app/pureflow/id600955222/reviews)** | — |
| Number of ratings | **162** | — |
| Positive reviews | 84.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | Free | — |
| Size | 26 MB | 2 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandr Kozlov](https://appshunter.io/developer/600955225) | [Alexander Fitterling](https://appshunter.io/developer/1536322689) |

## 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)


### NowStack

[App page](https://appshunter.io/ios/app/nowstack/id6782610202)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock | $5.99 | one-time |


## Frequently asked questions

### Is PureFlow free?

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

### Is NowStack free?

NowStack is free to download, with in-app purchases available.

### Do PureFlow or NowStack have ads?

Neither PureFlow nor NowStack shows ads.

### Which is updated more often, PureFlow or NowStack?

PureFlow ships an update weekly, and NowStack every 8 days. Most recently, PureFlow was updated on November 1, 2026 and NowStack on October 31, 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.*