Comparison

Purdue Tomato Doctor vs Information Sharing Guide

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Purdue Tomato Doctor

Identify, diagnose, and manage tomato plant issues with expert guidance. Features nearly 500 high-quality images to help gardeners across North America pinpoint problems with fruits, leaves, stems, and more.

Highlights
  • Identify problems using 500+ images
  • Diagnose by plant part or suspected cause
  • Detailed descriptions and multiple images per problem
  • Identify beneficial insects
  • Expert management recommendations
Features
Read full description

The Purdue Tomato Doctor has been developed by experts at Purdue University to help gardeners identify, diagnose and manage insect, disease, and environmental problems on their tomatoes. The app contains almost 500 high quality images to help users throughout North America diagnose their most common (and uncommon) tomato problems. Features: Identify tomato problems by matching photos of almost 500 images. Diagnoses can be made by researching the part of the plant affected (fruit, leaves, stems, roots, flowers) or by the suspected cause of the problem (insect, disease, environment). Check diagnosis through detailed descriptions and multiple images linked to each problem. Identify beneficial insects, so you don't accidentally harm 'the good guys.' Get the latest unbiased recommendations from Purdue University experts on how to successfully manage the most common tomato problems facing gardeners throughout the United States.

About

Information Sharing Guide

Features
Read full description

This app is designed for professionals in Indiana who work with children and who need to determine what case information can be legally shared, both to and from, other system professionals, and how to do it. Those working in the fields of child welfare, the courts, probation, law enforcement, education, and healthcare will benefit from this tool. Features include: * Search function * Sharing and favoriting capability * Retrieve, print, and share documents such as consent and release forms * Links to resources and FAQs

Screenshots

Purdue Tomato Doctor4 screens
Information Sharing Guide4 screens

Verdict

The call

The clearest difference is price: Information Sharing Guide at Free against Purdue Tomato Doctor's $0.99. Purdue Tomato Doctor's advantage is update cadence (every 4 months vs every 86 months) and iOS requirement (8.4 vs 10.0). On ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Information Sharing Guide is free to download; Purdue Tomato Doctor costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Purdue Tomato Doctor ships an update every 4 months, Information Sharing Guide every 86 months. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.

Scorecard3 real differences · 7 level
Purdue Tomato Doctor versus Information Sharing Guide: the parameters behind the verdict, then further details
ParameterPurdue Tomato DoctorInformation Sharing Guide
Price$0.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 months — betterEvery 86 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.4 — better10.0
Further details — not scored
Size166 MB20 MB
Age rating4+12+
DeveloperPurdue UniversityIndiana Office of Technology

In-app purchases

None

Purdue Tomato Doctor

No in-app purchases

None

Information Sharing Guide

No in-app purchases

Questions

Is Purdue Tomato Doctor free?
Purdue Tomato Doctor costs $0.99, with no in-app purchases.
Is Information Sharing Guide free?
Information Sharing Guide is free to download, with no in-app purchases.
Do Purdue Tomato Doctor or Information Sharing Guide have ads?
Neither Purdue Tomato Doctor nor Information Sharing Guide shows ads.
Which is updated more often, Purdue Tomato Doctor or Information Sharing Guide?
Purdue Tomato Doctor ships an update every 4 months, and Information Sharing Guide every 86 months. Most recently, Purdue Tomato Doctor was updated on November 3, 2026 and Information Sharing Guide on November 2, 2026.

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