HighMate vs CannaGrow
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
HighMate
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A grow diary that does the math: phase, day and expected harvest date for every plant. Plus climate and nutrient readings with a stored target range. You see right away where things are heading. Plus a searchable database of more than 4,000 strains: THC, CBD, genetics, origin, effects and more. Everything stays on your device, no account, no ads. YOUR PLANTS AT A GLANCE - Every plant with phase, grow day and progress bar - Seedling, vegetative stage, flowering stage - Run several grows side by side - Expected harvest date, recalculated as you go - Plant score shows at a glance where something is off READINGS WITH TARGET RANGES No more spreadsheets. HighMate knows the target values for every phase. - Temperature and humidity - VPD in kPa calculated automatically, not by hand - pH and EC of your nutrient solution - DLI in mol/mยฒ/d - Every value with a traffic light: in range or not TRENDS INSTEAD OF GUESSWORK - History charts for every reading - The target corridor sits behind the curve - Development over weeks instead of snapshots A COMPLETE DIARY - Watering with amount, pH and EC - Feeding with product, dosage and readings - Climate entries with temperature, humidity and VPD - Care: defoliation, training, repotting - Photos to compare across the whole cycle - Filter by feeding, climate & light or care - Every entry with date and grow day OVER 4,000 STRAINS TO SEARCH - THC and CBD values right on the overview card - Genetics: indica, sativa, hybrid - Origin, producer and irradiation - Reported effects and ratings - Search, filter, sort, save favorites A SETUP THAT FITS YOUR GROW - Medium: soil, coco or hydro - Germination date and photoperiod (18/6, 12/12) - Autoflower and photoperiod plants - Indoor and outdoor YOUR DATA STAYS YOURS - Everything stored locally on your device - No account, no sign-up, no mandatory cloud - No data collection - No ads, no tracking LEGAL NOTICE HighMate is intended exclusively for adults aged 18 and over and is a documentation tool for legal private home cultivation. The rules for growing cannabis differ from country to country. In Germany, for example, the Consumer Cannabis Act (KCanG) allows adults to grow up to three plants for personal use. Please check the laws where you live and follow them. The app does not sell or broker anything. The strain information is for orientation only and does not replace medical or pharmaceutical advice. Terms of Use: https://moonsmoke.app/terms-of-use Privacy Policy: https://moonsmoke.app/privacy-policy
CannaGrow
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CannaGrow is your smart companion for hemp cultivation. Use AI-powered plant analysis to instantly detect issues like nutrient deficiency, pests, or watering errors. Features: - AI Image Analysis: Photograph your plant and receive a detailed diagnosis - Plant Diary: Document the entire grow cycle with photos and notes - VPD Calculator: Calculate the optimal climate for every growth phase - Harvest Calculator: Estimate your yield based on setup and conditions - Reminders: Never miss watering, fertilizing, or repotting - Grow Tips: Expert knowledge for every phase โ from germination to harvest With CannaGrow Pro you get unlimited AI analyses and access to all premium features.
Screenshots
Verdict
The clearest difference is update cadence: CannaGrow at every 4 days against HighMate's fortnightly. CannaGrow also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. HighMate sells 2 in-app purchases, starting at $3.99 per month and CannaGrow sells 1 in-app purchase, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
HighMate ships an update fortnightly, CannaGrow every 4 days. The most recent releases landed on October 26, 2026 and October 14, 2026 respectively.
| Parameter | HighMate | CannaGrow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 4 days โ better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 18.0 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 32 MB | 56 MB |
| Age rating | 17+ | 17+ |
| Developer | MoonSmoke UG | Laurenz Langer |
In-app purchases
HighMate
- HighMate Monthly7 Days trial$3.991 Month
- HighMate Monthly7 Days trial$24.991 Year
CannaGrow
- CannaGrow Premium$5.991 Month









