tCheck vs GrowDoc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
tCheck
This app simplifies potency testing by calculating recipe doses and logging test results. Organize your herbal testing process and track infusions to understand what works best for you.
- Recipe dose calculation
- CBV test logging
- Review previous results
- Organize herbal testing
- Track infusion strength
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Make potency testing easier! The tCheck iOS App allows you to calculate your recipe dose, log your CBV test and review previous results. Having your tests on your phone will help declutter and organize your herbal testing process. Being consistent is more than knowing your infusion strength, but also keeping track of what works best for you.
GrowDoc
Instantly diagnose cannabis plant issues with a single photo. Get science-backed solutions to improve THC, yield, and terpenes. Access expert guides and a male/female scanner for optimal growth.
- Photo diagnosis of cannabis plant problems
- Science-backed solutions for plant health
- Infographics, videos, and accurate images
- Male/female plant scanner
- Expert growing guides and blog
- Covers various growing methods and scales
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GrowDoc is your pocket-sized cannabis plant doctor; diagnose your cannabis plant problems faster than ever! An undiagnosed cannabis plant problem can drastically lower THC, yield, and terpenes! Never let another issue ruin your plants and flowers again. Cannabis plant problems that destroy plants and flower: - Pests - Nutrient Deficiencies/Toxicities - pH Imbalances - Nutrient Lock - Over/ Under Watering - Pathogens / Viruses - Light / Spray burn - and more With just one photo of your sick cannabis plant, our cutting-edge machine learning AI, combined with years of cannabis plant research, diagnoses and offers you solutions that work, making it the must-have app for new and experienced growers alike. That’s not all… Grow Better with these key features: - Photo diagnosis of your unhealthy cannabis plants - Heal your sick plant with science-backed solutions - Learn more about cannabis plant problems with helpful infographics, videos, and 100% accurate images from our many research projects - Make sure you are growing what you want with our male /female scanner - Get expert information and exclusive growing guides with the Growers Blog It doesn't matter whether you're growing out of passion, medicinally, hydroponically, organic, soil, large or small scale grow, indoor, or outdoor; GrowDoc helps you grow better because we are growers first and understand all of the struggles we growers face. Diagnose, Solve, and Grow with GrowDoc! AGREEMENTS: PRIVACY POLICY: https://growdoc.net/home/privacy_policy TERMS AND CONDITIONS: https://growdoc.net/home/terms_conditions OUR SOCIALS: FACEBOOK: https://www.facebook.com/grow.doc.395 INSTAGRAM: https://www.instagram.com/growdocapp/ PINTEREST: https://www.pinterest.ca/GrowDocApp/ LINKEDIN: https://www.linkedin.com/company/growdoc/ LINKTREE: https://linktr.ee/growdoc GrowDoc is registered in Canada and intended for the legal Cannabis markets only
Screenshots
Verdict
The clearest difference is rating: tCheck at 5.0 against GrowDoc's 1.6. tCheck also leads on in-app purchases (none vs 2). GrowDoc's advantage is ratings volume (12 vs 3) and iOS requirement (12.0 vs 15.1). On price, review sentiment, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. GrowDoc sells 2 in-app purchases, starting at $49.99 per year. tCheck asks for nothing beyond the download.
tCheck holds the better App Store score, 5.0 against 1.6. Both are backed by a comparable volume of ratings — 3 and 12 respectively. Written reviews split almost evenly too, at 25% and 24% positive.
tCheck ships an update every 2 months, GrowDoc every 5 weeks. The most recent releases landed on July 21, 2026 and September 23, 2026 respectively.
| Parameter | tCheck | GrowDoc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 1.6 (12 ratings) |
| Positive reviews | 25.0% of reviews — better | 24.2% of reviews |
| Number of ratings | 3 | 12 — better |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 88 MB |
| Age rating | 12+ | 17+ |
| Developer | Engineered Medical Technologies | GrowDoc App Inc. |
Customer experience
tCheck
GrowDoc
In-app purchases
tCheck
No in-app purchases
GrowDoc
- Premium Yearly Membership$49.991 Year
- 1 Month Access$4.99








