Comparison

Purdue Extension Corn Field Scout vs Their First Puzzles

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

Head to head
About

Purdue Extension Corn Field Scout

This in-field reference app aids growers and consultants in managing corn production. It offers identification tools for pests, diseases, and weeds, along with calculators for various management recommendations and field notes.

Highlights
  • Pest, disease, and weed identification
  • Seeding rate calculator
  • Yield loss estimation
  • Nutrient recommendation calculators
  • Field notes section
  • Herbicide injury diagnosis
  • Growth stage identification
Features
Read full description

Growers and consultants have relied on the Purdue Extension Corn & Soybean Field Guide for more than 20 years. This is the perfect in-field reference that takes the popular guide to the next level. Purdue University specialists created this comprehensive, science-based app to help you effectively manage corn production. You can check out a free preview of this app, Purdue Extension Corn Field Scout Preview, that has limited functionality. The Purdue Extension Corn Field Scout provides built-in calculators for seeding rates, estimating yield loss, limestone recommendations, nitrogen recommendations, phosphorus recommendations, and potassium recommendations. There’s even a section to add field notes. The Insects & Nematodes, Diseases, and Weeds sections will help you identify the common pests of corn and the damage they cause. You’ll also find sampling and management information. The Soils & Fertility section provides the latest nutrient recommendations and shows common signs of nutrient deficiencies. The Diagnosing Herbicide Injury section provides a tool for identifying herbicide injury and describes herbicide modes of action. And the Planting, Growth, & Development section provides information about identifying and predicting growth stages. This app includes hundreds of useful, high-quality images to help you diagnose problems and understand common issues in corn production. We also offer a companion app: The Purdue Extension Soybean Field Scout.

About

Their First Puzzles

This app offers a gentle and confidence-building puzzle experience for toddlers and preschoolers. It features five animal worlds with various matching and building activities, designed to be frustration-free and engaging.

Highlights
  • Five animal worlds
  • Matching, building, and sorting activities
  • No-fail design
  • Wordless play
  • Offline functionality
  • Calm art and sound
Read full description

No fails. No ads. No catch. Just their first puzzles. Their First Puzzles is a calm, gentle puzzle app made for toddlers and young preschoolers — five little animal worlds to explore together. Your child brings creatures home to their shapes or babies to their grown-ups, builds animals piece by piece, and sorts who belongs where. Every creature they bring home makes the world come alive. There are no wrong answers. A piece that misses just drifts calmly back — no buzzers, no red X, no losing. If your child gets stuck, a gentle hand quietly shows the way. It's play that builds confidence, not frustration. WHAT YOU GET • Five animal worlds — Ocean, Forest, Desert, Savanna, and Jungle — each full of friendly creatures • Three gentle ways to play — bring creatures home to their shapes or grown-ups, build an animal, and sort who belongs where • Wordless play — nothing to read to play, so it works for any family, in any language • A no-fail design — wrong is never punished, and a helping hand appears if your child is stuck • A friendly companion who lights the way • Worlds that fill with life as your child plays • Calm art and soft sound — no flashing, no noise, no overstimulation • Works fully offline — every world is built in, so you can play with no wifi and no data (in the car, on a plane, at grandma's) • No account and no sign-in — just open it and play WHO IT'S FOR Their First Puzzles is made for toddlers and young preschoolers taking their first steps with tapping, matching, drag-and-drop, sorting, and building. It works the same whether a child plays alone or a grown-up plays along. • Parents who want a calm, gentle first puzzle for their child • Families looking for screen time they can feel good about • Grandparents, caregivers, and early educators • Anyone tired of noisy, ad-filled "free" apps 100% FREE. NO CATCH. No ads. No in-app purchases. No subscriptions. Nothing to unlock, nothing to buy — Their First Puzzles is completely free. No accounts, no sign-in, no tracking. It works fully offline, and everything your child does stays on your device. The app never collects or sends it anywhere. MADE BY A FAMILY. We're the family behind Their First Words and Their First Numbers. We built Puzzles as a gift — a calm, honest little app we'd want for our own child. Their First Puzzles is completely free.

Screenshots

Purdue Extension Corn Field Scout4 screens
Their First Puzzles4 screens

Verdict

The call

The clearest difference is price: Their First Puzzles at Free against Purdue Extension Corn Field Scout's $5.99. Purdue Extension Corn Field Scout's advantage is iOS requirement (8.0 vs 16.4). On rating, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Their First Puzzles is free to download; Purdue Extension Corn Field Scout costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Purdue Extension Corn Field Scout against 5.0 for Their First Puzzles. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Purdue Extension Corn Field Scout ships an update monthly, Their First Puzzles every 2 weeks. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
Purdue Extension Corn Field Scout versus Their First Puzzles: the parameters behind the verdict, then further details
ParameterPurdue Extension Corn Field ScoutTheir First Puzzles
Price$5.99Free — better
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS8.0 — better16.4
Further details — not scored
Size140 MB98 MB
Age rating4+4+
DeveloperPurdue UniversityTheir First Words LLC

Customer experience

Purdue Extension Corn Field Scout

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Their First Puzzles

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Purdue Extension Corn Field Scout

No in-app purchases

None

Their First Puzzles

No in-app purchases

Questions

Is Purdue Extension Corn Field Scout free?
Purdue Extension Corn Field Scout costs $5.99, with no in-app purchases.
Is Their First Puzzles free?
Their First Puzzles is free to download, with no in-app purchases.
Which has better reviews, Purdue Extension Corn Field Scout or Their First Puzzles?
Purdue Extension Corn Field Scout and Their First Puzzles are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Purdue Extension Corn Field Scout or Their First Puzzles have ads?
Neither Purdue Extension Corn Field Scout nor Their First Puzzles shows ads.
Which is updated more often, Purdue Extension Corn Field Scout or Their First Puzzles?
Purdue Extension Corn Field Scout ships an update monthly, and Their First Puzzles every 2 weeks. Most recently, Purdue Extension Corn Field Scout was updated on October 13, 2026 and Their First Puzzles on October 14, 2026.

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