# GrowDiary vs Cool Cure by Cannatrol

The clearest difference is ads: Cool Cure by Cannatrol at none against GrowDiary's shown. GrowDiary's advantage is update cadence (every 9 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GrowDiary ships an update every 9 days, Cool Cure by Cannatrol every 3 weeks. The most recent releases landed on October 19, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | GrowDiary | Cool Cure by Cannatrol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (3 ratings)](https://appshunter.io/ios/app/cool-cure-by-cannatrol/id6746351407/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 46 MB | 25 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [GrowD soft s.r.o.](https://appshunter.io/developer/1784239247) | [Cannatrols](https://appshunter.io/developer/1816353293) |

## What reviewers say

### GrowDiary

[App page](https://appshunter.io/ios/app/growdiary/id6739211123)

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

**In-app purchases:** none


### Cool Cure by Cannatrol

[App page](https://appshunter.io/ios/app/cool-cure-by-cannatrol/id6746351407)

Remotely monitor and manage drying, curing, and storage cycles for your C2 and CLE units. Adjust temperature, dew point, and lighting, and receive instant alerts for optimal results.

**Highlights:** Remote monitoring and adjustment, Real-time temperature and dew point control, Customizable cycle times, Interior LED lighting control, Instant alerts and updates, Vaportrol® Technology integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GrowDiary free?

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

### Is Cool Cure by Cannatrol free?

Cool Cure by Cannatrol is free to download, with no in-app purchases.

### Do GrowDiary or Cool Cure by Cannatrol have ads?

GrowDiary shows ads; Cool Cure by Cannatrol does not.

### Which is updated more often, GrowDiary or Cool Cure by Cannatrol?

GrowDiary ships an update every 9 days, and Cool Cure by Cannatrol every 3 weeks. Most recently, GrowDiary was updated on October 19, 2026 and Cool Cure by Cannatrol on October 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.*