# GroSens Handheld vs Purpl PRO 2

The clearest difference is in-app purchases: GroSens Handheld at none against Purpl PRO 2's 4. Purpl PRO 2's advantage is iOS requirement (13.0 vs 16.2). 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. GroSens Handheld asks for nothing beyond the download.

GroSens Handheld ships an update every 4 months, Purpl PRO 2 every 5 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | GroSens Handheld | Purpl PRO 2 |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 42 MB |
| Requires iOS | 16.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Rockwool International A/S](https://appshunter.io/developer/560117967) | [PURPL SCIENTIFIC INC](https://appshunter.io/developer/1446726720) |

## What reviewers say

### GroSens Handheld

[App page](https://appshunter.io/ios/app/grosens-handheld/id1493961433)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is GroSens Handheld free?

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

### Is Purpl PRO 2 free?

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

### Do GroSens Handheld or Purpl PRO 2 have ads?

Neither GroSens Handheld nor Purpl PRO 2 shows ads.

### Which is updated more often, GroSens Handheld or Purpl PRO 2?

GroSens Handheld ships an update every 4 months, and Purpl PRO 2 every 5 months. Most recently, GroSens Handheld was updated on November 7, 2026 and Purpl PRO 2 on November 8, 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.*