Purdue Shrub Doctor vs Plant Problem Identifier
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Purdue Shrub Doctor
Identify shrub problems by matching damaged plant parts to over 1000 high-resolution photos. Get expert recommendations from Purdue University on managing over 200 shrub issues on more than 100 shrub types. Useful for professionals and home gardeners in the Midwestern and Eastern United States.
- Identify shrub problems via photo matching
- Detailed damage descriptions
- Expert management recommendations
- Search by shrub or pest
- Over 1000 high-resolution photos
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The Purdue Shrub Doctor app has been developed by experts at Purdue University to help people better identify and manage tree problems caused by a variety of factors, including insects and diseases. Landscape professionals, arborists, and garden center personnel can use this app to improve communication with their customers. Information in this app is useful in the Midwestern and Eastern United States. Features: * Identify shrub problems by matching damaged plant parts to over 1000 high-resolution photos. * Check diagnoses with detailed descriptions of damage and stages of problem development linked to each photo. * Get the latest unbiased recommendations from Purdue University experts on how to manage over 200 shrub problems on over 100 kinds of shrub. * Search information by shrub or by pest.
Plant Problem Identifier
Instantly identify plants and diagnose plant diseases using your phone's camera. Get detailed information on over 35,000 plant species and 90+ disease types, along with treatment suggestions. Access helpful articles on plant care.
- Identify over 35,000 plant species by photo
- Diagnose over 90 plant disease classes
- Receive plant and disease information
- Get treatment suggestions for diseases
- Read useful articles on plant care
- Unlimited access with Pro subscription
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Do you want to know what plant is it or what’s wrong with your plant? No problem! Plant Problem Identifier app allows you to identify by photo 35000+ plant classes from all over the world with 93% accuracy, including: Indoor & Outdoor Plants, Indoor & Wild Flowers, Fruits, Vegetables, Cactuses, Succulents, Trees, Leaves, Bushes, Shrubs, Herbs, Grasses and more. Your plant looks sick and you want to know what’s wrong with it? No problem! Plant Problem Identifier app also allows you to identify by photo 90+ diseases classes, such as: Pests, Viruses, Abiotic, Bacterial, Fungal diseases and more. Also app provides you information about the treatment of identified diseases, but may vary. APP CONTENT & MAIN FEATURES: • Plant Identifier Take a photo or select a photo from your gallery to identify by photo over 35000+ plant classes from all over the world, including: Flowers, Trees, Leaves, Bushes, Shrubs, Herbs, Grasses, Fruits, Vegetables, Cactuses, Succulents and more. We provide you information about the identified plant, such as: Confidence, Common & Scientific Names, Description, Taxonomy, Reference Images, Watering, Sunlight, Soil Type and other, but may vary. • Plant Disease Diagnosis Take a photo or select a photo from your gallery to identify by photo over 90+ plant diseases classes, such as: Abiotic diseases, Bacterial diseases, Fungal diseases, Pests, Viruses and more. We provide you information about the identified plant disease, such as: Confidence, Common & Disease Name, Classification, Cause, Similar Images, Description, Treatment and more. • Useful Articles Read more than 10 useful articles, such as: how to care of plants and more. Note: For a more accurate plant or plant disease identification, please take or select high-quality photo so that the plant or plant disease is visible and is alone in the photo, avoid other plants in background. Disclaimer: While we strive to provide accurate identification of plants and plant diseases, we cannot guarantee 100% accuracy in identification results also we are not liable for damages or injury caused by actions based on inaccurate identification and info provided. Note that free version of the app is limited to: – 1 Plant Identification; – 1 Plant Disease Diagnosis; – 1 Article. If you want to use the app without limits an auto-renewable subscription ”Plant Identifier Pro” is available. Auto-renewable Subscription ”Plant Identifier Pro” Info: By subscribing you get premium (full, unlimited) access to all the features and content offered by Plant Problem Identifier app. Auto-renewable Subscription “Plant Identifier Pro” Includes: – Identify Plants Unlimited; – Identify 35,000+ Plant Classes; – Diagnose Plant Diseases Unlimited; – Collect Plants & Diseases Unlimited; – Unlock All Articles; The app contains the following auto-renewable subscription called ”Plant Identifier Pro”: – Weekly (3,99 US$) with a 3-days for free period. * Subscription price may vary depending on your location; * Payment will be charged to iTunes Account at confirmation of purchase; * Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period; * Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal; * Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account; * Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://sites.google.com/view/plant-identifier-privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Requested Access: Photos – access to add selected photos of plants or plant diseases for identification. Camera – access to take photos of plants or plant diseases for identification.
Screenshots
Verdict
The clearest difference is review sentiment: Plant Problem Identifier at 50% against Purdue Shrub Doctor's 0%. Plant Problem Identifier also leads on rating (4.5 vs 2.0) and ratings volume (171 vs 4). Purdue Shrub Doctor's advantage is in-app purchases (none vs 1) and iOS requirement (11 vs 15.0). On price, update cadence, ads and device support 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. Plant Problem Identifier sells 1 in-app purchase, starting at $3.99 per 7 days. Purdue Shrub Doctor asks for nothing beyond the download.
Plant Problem Identifier holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: Plant Problem Identifier has 171 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of Purdue Shrub Doctor's written reviews are positive against 50% of Plant Problem Identifier's.
Purdue Shrub Doctor ships an update every 5 months, Plant Problem Identifier every 9 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | Purdue Shrub Doctor | Plant Problem Identifier |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (4 ratings) | 4.5 (171 ratings) — better |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 4 | 171 — better |
| Update frequency | Every 5 months — better | Every 9 months |
| 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 | 11 — better | 15.0 |
| Further details — not scored | ||
| Size | 351 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | Purdue University | Uladzislau Yanushka |
Customer experience
Purdue Shrub Doctor
Plant Problem Identifier
In-app purchases
Purdue Shrub Doctor
No in-app purchases
Plant Problem Identifier
- Plant Identifier Pro3 Days trial$3.997 Days



