# Purpl PRO 2 vs StreamView Cloud

The clearest difference is in-app purchases: StreamView Cloud at none against Purpl PRO 2's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Purpl PRO 2 sells 4 in-app purchases, starting at $19.99 per month. StreamView Cloud asks for nothing beyond the download.

Purpl PRO 2 ships an update every 5 months, StreamView Cloud every 4 months. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Purpl PRO 2 | StreamView Cloud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/purpl-pro-2/id6479393669/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 85 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [PURPL SCIENTIFIC INC](https://appshunter.io/developer/1446726720) | [Logics Au Fait Systems, Inc.](https://appshunter.io/developer/657629669) |

## What reviewers say

### Purpl PRO 2

[App page](https://appshunter.io/ios/app/purpl-pro-2/id6479393669)

Analyze cannabis potency and chemical composition from cultivation to consumption. Get immediate analysis with your smartphone and a pocket-sized device, saving measurements to the cloud. Compare your results to averages and manage your data effectively.

**Highlights:** Real-time potency measurement, Cloud saving of measurements, View measurement spectrum, Compare to average spectrum, Rename and delete measurements, Request account deletion

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Tier | $19.99 | per month |
| Advanced Tier | $49.99 | per 3 months |
| Advanced Tier | $99.99 | per 6 months |
| Advanced Tier | $199.99 | per year |


### StreamView Cloud

[App page](https://appshunter.io/ios/app/streamview-cloud/id6747541682)

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

**In-app purchases:** none


## Frequently asked questions

### Is Purpl PRO 2 free?

Purpl PRO 2 is free to download, with in-app purchases available.

### Is StreamView Cloud free?

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

### Do Purpl PRO 2 or StreamView Cloud have ads?

Neither Purpl PRO 2 nor StreamView Cloud shows ads.

### Which is updated more often, Purpl PRO 2 or StreamView Cloud?

Purpl PRO 2 ships an update every 5 months, and StreamView Cloud every 4 months. Most recently, Purpl PRO 2 was updated on September 22, 2026 and StreamView Cloud on September 10, 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.*