# Rosyn vs Leaflog Journal

The clearest difference is in-app purchases: Leaflog Journal at none against Rosyn's 2. Leaflog Journal also leads on update cadence (every 4 days vs fortnightly). Rosyn's advantage is ratings volume (6 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Rosyn sells 2 in-app purchases, starting at $9.99 per month. Leaflog Journal 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 Leaflog Journal. That said, the two scores are not equally well evidenced: Rosyn has 6 ratings behind it against 1, so its average is the more settled of the two.

Rosyn ships an update fortnightly, Leaflog Journal every 4 days. The most recent releases landed on September 23, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Rosyn | Leaflog Journal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/rosyn/id6739316129/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/leaflog-journal/id6789261150/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 37 MB | 6 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Mike Van Amburg](https://appshunter.io/developer/1509585384) | [Nadir Saleh](https://appshunter.io/developer/6789261152) |

## 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 |


### Leaflog Journal

[App page](https://appshunter.io/ios/app/leaflog-journal/id6789261150)

This app helps you privately log your cannabis experiences, track strains, and manage your stash. It offers a curated offline library and personalized charts to explore your data.

**Highlights:** Personal strain journal, Session logging with effect tags, Offline strain reference library, Stash tracking and management, Customizable data charts, Private and secure data storage

**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 Leaflog Journal free?

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

### Which has better reviews, Rosyn or Leaflog Journal?

Rosyn and Leaflog Journal are both rated 5.0 out of 5 on the App Store, from 6 and 1 ratings respectively.

### Do Rosyn or Leaflog Journal have ads?

Neither Rosyn nor Leaflog Journal shows ads.

### Which is updated more often, Rosyn or Leaflog Journal?

Rosyn ships an update fortnightly, and Leaflog Journal every 4 days. Most recently, Rosyn was updated on September 23, 2026 and Leaflog Journal on September 29, 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.*