# Rosyn vs CannaBaseAI

The clearest difference is in-app purchases: CannaBaseAI at none against Rosyn's 2. Rosyn's advantage is ratings volume (6 vs 2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Rosyn sells 2 in-app purchases, starting at $9.99 per month. CannaBaseAI asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Rosyn against 5.0 for CannaBaseAI. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Rosyn ships an update fortnightly, CannaBaseAI weekly. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Rosyn | CannaBaseAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/rosyn/id6739316129/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/cannabaseai/id6766141439/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | Free |
| Size | 37 MB | 6 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Mike Van Amburg](https://appshunter.io/developer/1509585384) | [paul valerio](https://appshunter.io/developer/1896210693) |

## What reviewers say

### Rosyn

[App page](https://appshunter.io/ios/app/rosyn/id6739316129)

This app helps cannabis users track their usage with intention and awareness. It visualizes tolerance shifts, allows quick logging of consumption methods and effects, and offers gentle suggestions for breaks. Designed for privacy, it keeps all data on the device.

**Highlights:** Private cannabis journaling, Tolerance visualization (moon cycle), Quick logging of consumption and effects, Gentle suggestions for breaks, Data export option, On-device data storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rosyn Premium Monthly | $9.99 | per month |
| Rosyn Premium Yearly | $99.99 | per year |


### CannaBaseAI

[App page](https://appshunter.io/ios/app/cannabaseai/id6766141439)

This app helps adults log cannabis products they've tried using AI-powered label scanning. It offers personal review forms, a private history, and a community feed for sharing experiences. Track your trends and discover new strains with this lifestyle tool.

**Highlights:** AI-powered label scanning, Personal review forms, Private scan history, Community review feed, Strain directory, Stats dashboard, Wishlist feature

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

**In-app purchases:** none


## Frequently asked questions

### Is Rosyn free?

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

### Is CannaBaseAI free?

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

### Which has better reviews, Rosyn or CannaBaseAI?

Rosyn and CannaBaseAI are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

### Do Rosyn or CannaBaseAI have ads?

Neither Rosyn nor CannaBaseAI shows ads.

### Which is updated more often, Rosyn or CannaBaseAI?

Rosyn ships an update fortnightly, and CannaBaseAI weekly. Most recently, Rosyn was updated on September 7, 2026 and CannaBaseAI on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*