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Greg vs Planta: Which Plant Care App Is Better? (2026)

Rachel Nguyen •
Two smartphones side by side showing different plant care apps next to small potted houseplants on a light wood surface

Both Greg and Planta start from the same problem: keeping plant owners from forgetting to water. The apps look similar on the surface. Both build a care plan around each plant, both send reminders, and both adjust for your conditions: Greg with seasonal updates for the weather in your area, Planta with reminders that adapt to your home environment, local weather, and plant type. The differences become clearer once you look at how many care tasks each one tracks, what’s free versus paid, and what each offers when a plant starts showing visible symptoms.

If you’re looking for a good alternative to Greg: Plant Identifier & Care, Planta is the closest like-for-like option. Choosing between them comes down to what you need from a care reminder app.

Greg and Planta both handle watering reminders for houseplants. Greg builds a custom watering plan from each plant’s species, size, and your home environment, and has a large community for plant questions. Planta schedules a wider set of care tasks per plant, adds a built-in light meter, a plant journal, and Dr. Planta for plant symptoms, and suits owners who want every task on a schedule. On the US App Store, Greg’s Super Greg plan is listed at $29.99 a year, and Planta’s 12-month Premium plans are listed from $17.99 to $47.99 (checked September 2026; prices vary by region).

How Greg and Planta Fit Into the Plant App Landscape

Before comparing the two directly, it helps to know which category each one belongs to.

Greg and Planta are both plant care scheduler apps, a category that builds watering schedules and maintenance reminders around each individual plant. Greg, from Gregarious, Inc., builds a custom watering plan from your plant’s species and size plus the actual details of your home. On iPhone, its PlantVision scan identifies the plant, measures the pot, and estimates the distance to the nearest window. Its App Store subtitle is “Identify, Diagnose & Reminders”, and plant questions go to community troubleshooting, where more experienced growers answer. Planta, from Planta AB (its website says “Made in Sweden”), is available on iPhone, iPad, and Android. Its listing names schedules for watering, fertilizing, repotting, pruning, misting, and more, a built-in light meter, and Dr. Planta, which analyzes symptoms like yellow leaves, brown spots, and pests and guides you through treatment recommendations. The National Gardening Association’s 2021 survey found 18.3 million new American gardeners started in 2020, most without prior experience spotting plant health problems early.

Diagnosis-first apps sit in a slightly different spot. They start from a photo of a sick plant and return a likely cause with a treatment plan. Greg and Planta both help with plant problems in their own way, but their center of gravity is the care schedule.

Greg vs Planta: Feature-by-Feature Comparison

Here’s where the two apps differ, based on their App Store and Google Play listings and Planta’s help center (checked September 2026):

FeatureGregPlanta
Watering remindersYes, custom watering plan (Smart Watering Reminders come with Super Greg)Yes, adapts to home, local weather, and plant type
Other care tasks named in the listingLight and fertilizer trackingFertilizing, repotting, pruning, misting, cleaning, overwintering
Light measurementIndoor Light Gauge (Super Greg); PlantVision estimates distance to the nearest windowBuilt-in light meter (Premium)
Plant identificationYes, free plant scansYes (Premium)
Plant problemsCommunity troubleshooting; “Diagnose” in App Store subtitleDr. Planta symptom analysis with treatment recommendations (Premium)
CommunityYes, #Communities and a social feedYes
What’s freePlant scansWatering schedules
Paid plan (US App Store)Super Greg, $29.99/year per listing; in-app purchases $1.99 to $39.99Premium for 1, 3, or 12 months; $7.99 to $47.99
Free trial7 daysFree trial listed
RatingsApp Store 4.6 (21K ratings); Google Play 3.9 (8.5K reviews)App Store 4.8 (114K ratings), Editors’ Choice; Google Play 4.1 (21K reviews)
PlatformsiPhone, AndroidiPhone, iPad, Android

A few of those rows are worth unpacking.

Watering plans: Greg’s listing promises to tell you “exactly” how much water each plant needs, based on its species, size, and your home environment. Planta’s website says its watering reminders use over 30 parameters along with local climate and weather data. Both aim for a per-plant schedule rather than one calendar for every pothos.

Task coverage: Greg’s listing centers on watering, with light and fertilizer tracking also named on Google Play. Planta’s listings name a longer list: watering, fertilizing, repotting, pruning, misting, cleaning, and overwintering. If you want reminders across all of those tasks, Planta covers more ground.

Free tier: The two split free and paid features differently. Greg’s listing says plant scans are free, while Precision Watering, Smart Watering Reminders, the Indoor Light Gauge, and Seasonal Updates come with Super Greg. Planta’s help center says watering schedules are available for free, while plant identification, other care schedules, Dr. Planta, the light meter, and plant recommendations need Premium. Try both free tiers with a couple of your own plants before paying.

When to Choose Greg

Greg fits some situations better than Planta.

If you like asking other plant owners for help, Greg’s community is a big part of the app. The listing describes community troubleshooting, where more veteran growers answer plant questions, plus #Communities built around shared interests and a social feed. Someone growing a common pothos alongside an unusual Hoya or a lesser-known aroid can ask people who grow the same plants.

Setup is quick too. On iPhone, Greg’s PlantVision scan identifies the plant, measures the pot, and estimates the distance to the nearest window, and those details feed into the watering plan.

The pricing is simple. Super Greg is listed at $29.99 a year with a 7-day trial, and plant scans stay free without it. If a watering-focused plan plus an active community is what you’re after, Greg keeps things straightforward.

When to Choose Planta

Planta makes more sense when complete task coverage matters more than simplicity.

The light meter is a clear practical tool. If you’re deciding whether a specific corner of a room gets enough light for a fiddle leaf fig or a calathea, Planta’s built-in light meter helps you find the right spot for each plant instead of guessing.

Planta’s task list is also longer. Tropical houseplants, ferns, orchids, and other humidity-sensitive species need more than watering reminders. Fertilizing every 4-6 weeks during the growing season, misting daily or twice a week, repotting when roots start circling: Planta can put all of that on per-plant schedules. Care Share lets family or friends pick up tasks while you’re away, and the plant journal logs care and growth over time.

Dr. Planta is there when leaves start yellowing or pests show up. It analyzes symptoms and walks you through treatment recommendations, and Planta’s Google Play listing says its in-house plant experts review complex cases.

If your collection leans toward fussy or humidity-loving plants with varied care routines, Planta’s detailed tracking has real practical value.

When a Plant Starts Looking Sick

A watering schedule can’t fix everything.

Yellow leaves, brown spots, wilting that doesn’t improve after watering, sticky residue on stems, small webbing near leaf joints: those symptoms have specific causes. The cause might be root rot, a fungal infection, spider mites, mealybugs, scale, or a nutrient deficiency. Each one needs a different response, and guessing wrong usually makes things worse.

Greg’s route here is community troubleshooting, and Planta’s is Dr. Planta. PlantlyAI is built entirely around this moment and works alongside either app. Photograph the affected area, and the app returns a diagnosis with a step-by-step treatment plan. Organic options appear first (adjusting drainage, applying neem oil, reducing watering frequency). Biological controls follow. Chemical options come last for more persistent problems. You choose based on what you have on hand and what you’re comfortable applying.

PlantlyAI works across houseplants, garden plants, vegetables, trees, and crops. A searchable plant disease library lets you research symptoms before problems escalate, even before reaching for the camera. 2 free diagnoses are available per day with no account required to start.

PlantlyAI doesn’t do watering reminders, so some plant owners pair it with a scheduler app like Greg or Planta. For more detail on how the diagnosis side compares across apps, the best houseplant disease diagnosis apps covers the main options with honest assessments.

If you’re also considering other alternatives beyond just these two apps, 5 best greg app alternatives covers more options including those with disease detection built in.

Frequently Asked Questions

Is Greg free to use?

Greg is free to download, and its App Store listing says plant scans are free. A Super Greg subscription, listed at $29.99 a year on the US App Store with a 7-day trial, unlocks Precision Watering, Smart Watering Reminders, the Indoor Light Gauge, and Seasonal Updates. The subscription renews automatically unless you turn off auto-renew at least 24 hours before a new period starts.

Is Planta free to use?

Planta is free to download and use with limited access. Its help center says watering schedules are available for free, while plant identification, care schedules other than watering, Dr. Planta, the light meter, and plant recommendations require Premium. On the US App Store, Premium is listed for 1, 3, or 12 months at $7.99 to $47.99, and the listing shows a free trial.

Which is more accurate, Greg or Planta?

Neither app publishes accuracy figures in its store listing. Both personalize: Greg builds a watering plan from each plant’s species, size, and your home environment, while Planta’s reminders adapt to your home environment, local weather, and plant type. The practical test is to add a few of your own plants to each app’s free tier and see which schedule matches how fast your soil actually dries.

Do Greg and Planta diagnose plant diseases?

Planta does, through Dr. Planta, which analyzes symptoms like yellow leaves, brown spots, pests, or slow growth and guides you through treatment recommendations (a Premium feature, per Planta’s help center). Greg’s App Store subtitle mentions diagnosis, and its listing describes community troubleshooting, where more experienced growers answer plant questions. If you want an AI diagnosis focused on disease and treatment, PlantlyAI does that from one photo, with organic, biological, and chemical treatment options.

Can I use Greg and Planta together?

You can, but both are built around watering reminders, so running both mostly means doubling up on schedules. A more useful pairing is a scheduler app alongside a diagnosis-first app. Greg or Planta handles routine care scheduling; PlantlyAI handles visible plant symptoms and sick-plant diagnosis.

If a plant in your care is showing symptoms you can’t explain, open PlantlyAI and photograph the problem area. You’ll have a diagnosis and a treatment plan in under a minute. The first 2 scans are free with no account needed. Available on iOS and Android.

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