# Purpl PRO 2 vs CryptedNotes

The clearest difference is price: Purpl PRO 2 at Free against CryptedNotes's $0.99. Purpl PRO 2 also leads on iOS requirement (13.0 vs 17.6). CryptedNotes's advantage is update cadence (monthly vs every 5 months). On ads, in-app purchases and device support there is nothing between them.

Purpl PRO 2 is free to download; CryptedNotes costs $0.99 up front. Purpl PRO 2 sells 4 in-app purchases, starting at $19.99 per month and CryptedNotes sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Purpl PRO 2 ships an update every 5 months, CryptedNotes monthly. The most recent releases landed on September 7, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Purpl PRO 2 | CryptedNotes |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 6 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [PURPL SCIENTIFIC INC](https://appshunter.io/developer/1446726720) | [KAAN OZHAN](https://appshunter.io/developer/1831956371) |

## 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 |


### CryptedNotes

[App page](https://appshunter.io/ios/app/cryptednotes/id6749761691)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $14.99 | one-time |


## Frequently asked questions

### Is Purpl PRO 2 free?

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

### Is CryptedNotes free?

CryptedNotes costs $0.99, and also offers in-app purchases.

### Do Purpl PRO 2 or CryptedNotes have ads?

Neither Purpl PRO 2 nor CryptedNotes shows ads.

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

Purpl PRO 2 ships an update every 5 months, and CryptedNotes monthly. Most recently, Purpl PRO 2 was updated on September 7, 2026 and CryptedNotes on September 22, 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.*