# Particle Insight vs Notes Pro

The clearest difference is in-app purchases: Particle Insight at none against Notes Pro's 3. Particle Insight also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Notes Pro's advantage is update cadence (every 2 months vs every 16 months). On price and device support there is nothing between them.

Both are free to download. Notes Pro sells 3 in-app purchases, starting at $2.99 per year. Particle Insight asks for nothing beyond the download.

Particle Insight ships an update every 16 months, Notes Pro every 2 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Particle Insight | Notes Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/particle-insight/id582762050/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 19 MB | 26 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vision Analytical Inc.](https://appshunter.io/developer/582762054) | [Yalintech](https://appshunter.io/developer/1530568426) |

## What reviewers say

### Particle Insight

[App page](https://appshunter.io/ios/app/particle-insight/id582762050)

View and analyze particle shape, size, and count data from lab instruments on your mobile device. Access detailed statistics, histograms, and individual particle images, even offline. Seamlessly integrate with lab equipment and maintain compliance with industry standards.

**Highlights:** View particle shape, size, and count data, Access detailed statistics and plots, Download individual particle thumbnails, Industry standard reporting formats, Seamless integration with lab equipment, Offline data analysis, 21CFRPart 11 compliant data viewing

**Features:** macOS Compatibility

**In-app purchases:** none


### Notes Pro

[App page](https://appshunter.io/ios/app/notes-pro-organize-notes-and-memo/id1544266160)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $2.99 | per year |
| Monthly Subscription | $4.99 | per month |
| One time purchase | $10.99 | one-time |


## Frequently asked questions

### Is Particle Insight free?

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

### Is Notes Pro free?

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

### Do Particle Insight or Notes Pro have ads?

Notes Pro shows ads; Particle Insight does not.

### Which is updated more often, Particle Insight or Notes Pro?

Particle Insight ships an update every 16 months, and Notes Pro every 2 months. Most recently, Particle Insight was updated on October 16, 2026 and Notes Pro 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.*