
DinoNavi 恐竜大図鑑
恐竜100体の図鑑・地図・比較と5000問クイズ
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About
DinoNavi Dinosaur Encyclopedia
Explore the fascinating world of dinosaurs with detailed illustrations, informative encyclopedia entries, fossil discovery maps, species comparisons, and 4,980 quiz questions!
Discover 100 dinosaurs, explore their characteristics, and learn about prehistoric life through an engaging visual experience designed for iPhone.
EXPLORE 100 DINOSAURS
Browse dinosaur entries featuring scientific names, geological periods, classifications, regions, diets, estimated sizes, and distinctive characteristics.
Discover famous dinosaurs such as Tyrannosaurus and Triceratops, along with lesser-known prehistoric creatures.
Filter entries by classification, period, or region, and save your favorite dinosaurs for easy access.
START FREE WITH 20 DINOSAURS
Enjoy 20 dinosaur entries and 1,000 quiz questions for free.
Explore encyclopedia information, available illustrations, maps, and dinosaur characteristics without purchasing Premium.
UNLOCK MORE WITH PREMIUM
Premium is a one-time, non-consumable in-app purchase with no monthly subscription.
Premium unlocks:
- 80 additional dinosaur entries
- 3,980 additional quiz questions
- Access to all 100 dinosaur entries
- A total of 4,980 available quiz questions
- Premium dinosaur images and related content
Prices are determined by the App Store for your region. Purchase restoration is available in the app's Settings.
DETAILED DINOSAUR ILLUSTRATIONS
Explore dinosaur artwork, detailed data images, and imaginative modern-world scenes.
Discover the appearance, proportions, and distinctive features of different dinosaurs through multiple visual perspectives.
Available images can be enlarged for closer inspection. Some images require an internet connection and downloading.
COMPARE DINOSAURS
Compare two dinosaur species to explore differences in estimated size, characteristics, classification, geological age, and geographical distribution.
Discover how prehistoric animals varied across different environments and periods.
EXPLORE FOSSIL DISCOVERY MAPS
Explore fossil discovery locations using interactive maps.
Discover where dinosaur fossils have been reported and examine geographical information associated with dinosaur entries.
Modern maps and available paleogeographic information provide additional context for prehistoric life.
LEARN WITH 4,980 QUIZ QUESTIONS
Test your dinosaur knowledge through thousands of educational questions.
- 1,000 free questions
- 3,980 additional Premium questions
- Answer history and mistake review
- Learning statistics and progress tracking
Explore fascinating dinosaur facts, review your answers, and continue learning at your own pace.
PERSONALIZE YOUR EXPERIENCE
Save favorite dinosaurs, switch between Japanese and English, choose your preferred menu position, and customize background colors.
The app is optimized for landscape viewing on iPhone, offering a wide display for illustrations, maps, and encyclopedia information.
SCIENTIFIC INFORMATION AND SOURCES
Dinosaur research continues to evolve. Measurements, classifications, and reconstructions may be estimates or subject to scientific revision.
DinoNavi provides available research metadata, fossil locality information, and links to original sources.
Research listings do not guarantee free access to complete scientific publications.
IMPORTANT INFORMATION
The original quiz collection contains 5,000 questions. Twenty questions are currently withheld for scientific review, leaving 4,980 available questions in each supported language.
Dinosaur illustrations are interpretive paleoart. Modern-world dinosaur scenes are imaginative artwork.
Some images, research features, and purchase or restoration functions require an internet connection. Content availability varies between Free and Premium access.
DISCOVER THE PREHISTORIC WORLD
Explore 100 dinosaurs, discover fossil evidence, compare species, and challenge yourself with thousands of quizzes.
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What's New in DinoNavi 恐竜大図鑑
1.0.2
October 29, 2026
Added banner ads on the free plan’s home screen and interstitial ads at natural breaks after regular quiz rounds. Added ad privacy choices where required. Encyclopedia and quiz features remain available when ads are unavailable.
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Subscriptions & In-App Purchases
$9.99
DinoNavi Premium
Unlock 100 dinosaurs and 5,000 quizzes forever.









