# Strain Guide vs Green Dayz

The clearest difference is in-app purchases: Green Dayz at none against Strain Guide's 4. Green Dayz also leads on ads (none vs shown). Strain Guide's advantage is update cadence (every 3 weeks vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Strain Guide sells 4 in-app purchases, starting at $3.99 per month. Green Dayz asks for nothing beyond the download.

Strain Guide ships an update every 3 weeks, Green Dayz every 5 months. The most recent releases landed on October 30, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Strain Guide | Green Dayz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (927 ratings)](https://appshunter.io/ios/app/strain-guide/id1596314933/reviews)** | — |
| Number of ratings | **927** | — |
| Positive reviews | 82.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 86 MB | 8 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [phannafest llc](https://appshunter.io/developer/1209901791) | [Green Dayz Dispensary LLC](https://appshunter.io/developer/1803577015) |

## What reviewers say

### Strain Guide

[App page](https://appshunter.io/ios/app/strain-guide/id1596314933)

Explore thousands of cannabis strains with detailed information on effects, flavors, and growing tips. Features an AI assistant for personalized recommendations and advanced search filters. Track your favorites and add personal notes for easy reference.

**Highlights:** AI strain assistant, Advanced search and filtering, Personalized notes and favorites, Growing and harvesting information, Strain suggestions, Community ratings and comments

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Strain guide, pro, monthly | $3.99 | per month |
| Strain Guide Pro Monthly | $6.99 | per month |
| Strain Guide Pro Monthly | $9.99 | per month |
| Strain guide, pro, yearly | $39.99 | per year |

**What reviewers like**

- 👍 Helpful and knowledgeable
- 🔍 Useful database and reference guide
- 📚 Extensive strain information
- 🗒️ Ability to save notes on favorite strains
- 🤝 Good for both new and experienced users

**What reviewers complain about**

- 🙄 Obnoxious commercials/ads
- ⏱️ Frequent ads interrupting usage
- 🔍 Limited strain selection
- 🤖 Temperamental app performance

**Reported bugs**

- Crashes and freezes on startup
- Search function not working properly

**Requested features**

- Photo identification feature to identify strains
- Ability to filter strains by terpene profile
- Option to remove ads through a paid subscription


### Green Dayz

[App page](https://appshunter.io/ios/app/green-dayz/id6743620571)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Strain Guide free?

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

### Is Green Dayz free?

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

### Do Strain Guide or Green Dayz have ads?

Strain Guide shows ads; Green Dayz does not.

### Which is updated more often, Strain Guide or Green Dayz?

Strain Guide ships an update every 3 weeks, and Green Dayz every 5 months. Most recently, Strain Guide was updated on October 30, 2026 and Green Dayz on September 21, 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.*