Comparison

Terminology vs Dinosaur World Encyclopedia

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

Head to head
About

Terminology

Explore the English language with this comprehensive tool. It offers dictionary and thesaurus functions, along with research capabilities to dive deeper into words and phrases. Extend its functionality with custom resources for web and app searches.

Highlights
  • Offline U.S. English dictionary
  • Synonyms, antonyms, and word relations
  • Customizable resources for web and app searches
  • Favorite and create term lists
  • Audio pronunciations
  • Wildcard and spelling suggestions
  • iCloud sync and backup
Features
Read full description

Terminology is a browser for the English language – part dictionary, part thesaurus and part research tool. Terminology makes it easy to explore words and phrases, diving down to more and less specific terms - accessing web resources and other apps for more detail and sharing. More than a dictionary, Terminology can be extended with custom resources to search the Internet and other reference apps – making it a great place to satisfy any of your curiosities. ## DICTIONARY, THESAURUS & SEARCH ## - Offline U.S. English dictionary and word reference with simple, straightforward definitions. Based on the latest version of the Open English WordNet - Definitions, synonyms, antonyms, and deeper word relations such as more and less specific words, part, part of, members, member of, pertains to, and more - Favorite and create lists of terms - Word browsing history - Add your notes to any term - Audio pronunciations - Wildcard (?,*) searching - Spelling suggestions - Fast, reliable iCloud (CloudKit) sync and backup of history, favorites, notes, and resources ## EXTENSIBLE RESOURCES ## Resources provide quick links to look up and search your terms on websites and in other apps. Ready to use resources for popular reference sites like Wikipedia, ChatGPT, Google, IMDb, and more, or create your own with simple URL templates. Get more creative with AI resources to drill down on pre-populated prompts. ## MORE FEATURES ## - Share extension lets you access Terminology from a text selection in any app - Control Center integration for quick search - Spotlight and Handoff support - Great support for Accessibility features like VoiceOver and Dynamic Text. - Shortcuts support ## TERMINOLOGY PRO ## Terminology is always free to use, but you can get more out of the app with a Terminology Pro: * Custom resources * Unlimited term lists * Unlimited notes per term Terminology Pro is a reasonable annual subscription, or a one-time lifetime unlock. ## SUBSCRIPTION DETAILS ## * Payment will be charged to your Apple account at confirmation of purchase * Your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period * Automatic renewals will be charged at the same price you were initially charged for the subscription * Subscriptions can be managed or canceled by going to Account Settings on the App Store after purchase Have questions? Email support@agiletortoise.com. Terms: https://agiletortoise.com/terms Privacy Policy: https://agiletortoise.com/privacy-policy

About

Dinosaur World Encyclopedia

Explore prehistoric times with detailed dinosaur information and interactive AR experiences. Discover fossils, learn about extinction, and see dinosaurs come to life in your environment. Ideal for educational projects or satisfying curiosity.

Highlights
  • 360-degree landscape views
  • Comprehensive dinosaur information
  • High-definition original illustrations
  • AR dinosaur experiences
  • Detailed infographics on fossils
  • A-Z dinosaur species list
Features
Read full description

The education app World of Dinosaurs takes you to those prehistoric times with a single tap. As soon as you enter the land before time, rotate your device left to right to get a 360-degree view of the illustrated landscape. (Tip: Use your headphones for an immersive soundscape experience as you enter the Mesozoic Era.) World of Dinosaurs takes advantage of the fact that we are currently living in the golden age of dinosaur discovery and presents comprehensive information based on the latest discoveries and scientific theory, within a beautiful multimedia presentation. World of Dinosaurs includes amazing high-definition original illustrations, which along with the accompanying information create the ultimate dinosaur resource covering dinosaurs of all time, discovery, extinction, and even dinosaur ancestors still alive today. World of Dinosaurs is an informative, interactive tool for the next time you're working on a project, presentation, or simply want to satisfy your dino curiosity. From the Table of Contents, tap on the Dinosaurs section and use the magnifying glass to browse through an extensive A to Z list of dinosaur species. On the Discovery tab, view detailed infographics on fossil formation and dinosaur intelligence. The app's amazing AR experience enhances users' learning experience too. Choose from five dinosaurs from the AR Dinosaurs tab and, in the blink of an eye, you'll find one of those massive creatures hanging out right by your desk. If your friends don't believe you, take a picture and send it to them - it will be roar-some! Prehistoric Pack: The ultimate experience in the world of dinosaurs with the Prehistoric Pack. Access to all contents and future updates includes all dinosaurs, pterosaurs, marine reptiles, discoveries, and more. Prehistoric Pack updates every month to add new dinosaurs and more. Prehistoric Pack is an auto-renewing subscription. Payment for the Prehistoric Pack subscription will be charged to your Apple ID account at the purchase confirmation. The subscription will renew automatically unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current period. For more information please read the terms of use: https://worldofdinosaurs.net/termsofuse.html

Screenshots

Terminology4 screens
Dinosaur World Encyclopedia4 screens

Verdict

The call

The clearest difference is rating: Terminology at 4.7 against Dinosaur World Encyclopedia's 4.4. Terminology also leads on iOS requirement (18.0 vs 26.0). Dinosaur World Encyclopedia's advantage is device support (4 vs 2). On price, review sentiment, ratings volume and update cadence 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

Both are free to download. Terminology sells 2 in-app purchases, starting at $7.99 per year and Dinosaur World Encyclopedia sells 16 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Terminology holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 1.1K and 1.5K respectively. Written reviews split almost evenly too, at 71% and 72% positive.

UpkeepUpdate frequency

Terminology ships an update every 4 weeks, Dinosaur World Encyclopedia monthly. Both last shipped on October 26, 2026.

Scorecard3 real differences · 7 level
Terminology versus Dinosaur World Encyclopedia: the parameters behind the verdict, then further details
ParameterTerminologyDinosaur World Encyclopedia
PriceFreeFree
Rating4.7 (1.1K ratings) — better4.4 (1.5K ratings)
Positive reviews71.3% of reviews71.6% of reviews — better
Number of ratings1.1K1.5K — better
Update frequencyEvery 4 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac, Apple Watch — better
Requires iOS18.0 — better26.0
Further details — not scored
Size101 MB449 MB
Age rating4+9+
DeveloperAgile TortoiseWORLD OF DINOSAURS

Customer experience

Terminology

All ratings1,093 ratings
Positive93.6%
Neutral2.5%
Negative3.9%
Written reviews143 reviews
Positive71.3%
Neutral2.1%
Negative26.6%

Dinosaur World Encyclopedia

All ratings1,542 ratings
Positive85.5%
Neutral4.9%
Negative9.5%
Written reviews275 reviews
Positive71.6%
Neutral8.4%
Negative20.0%

User reviews

Terminology

From 1.1K App Store ratings

What we love

  • 👍 Often used, helpful for finding words
  • 🔍 Precise and detailed definitions
  • 🔗 Integrates well with other apps and services
  • 🔍 Comprehensive dictionary and thesaurus
  • 💻 Works great on both iOS and macOS

Room to improve

  • 💰 Subscription model requires paying to remove ads
  • 🔄 Functionality reduced in recent update
  • 🔍 Some words missing from the dictionary
  • 🔍 Clunky interface and navigation in latest version
  • 🔍 Customization options behind paywall

Dinosaur World Encyclopedia

From 1.5K App Store ratings

What we love

  • 💎 Comprehensive dinosaur encyclopedia
  • 🖼️ Beautiful and detailed illustrations
  • 🔍 Informative and educational content
  • 🎨 Ability to change app icon
  • 🕹️ Engaging AR dinosaur feature

Room to improve

  • 💰 Subscription model locks content behind paywall
  • 🗓️ Promised monthly updates to prehistoric pack not delivered
  • 🔍 Difficult to navigate and find specific dinosaurs
  • 🐛 Crashes and bugs reported by users
  • 🔊 No option to mute background sounds

Bugs and requests

Terminology

Reported bugs

3 issues
  • Keyboard does not always appear when tapping search
  • Crashes or freezes on some devices
  • Difficulty adjusting volume for word pronunciations

Requested features

5 requests
  • Add ability to review and manage favorite words
  • Implement quiz or flashcard features for learning new words
  • Improve keyboard integration and shortcuts
  • Add more comprehensive dictionary coverage
  • Provide option to revert to previous app version

Dinosaur World Encyclopedia

Reported bugs

4 issues
  • Prehistoric pack not updated monthly as advertised
  • App crashing on launch for some users
  • Dinosaur information pages displaying in wrong language
  • Dinosaur images not displaying correctly

Requested features

5 requests
  • Add more dinosaurs, marine reptiles, and pterosaurs
  • Restore location-based dinosaur directory feature
  • Increase frequency of content updates
  • Improve search and navigation functionality
  • Allow muting of background sounds

In-app purchases

2 purchases

Terminology

Subscriptions1
  • Pro - Annual$7.991 Year
One-time1
  • Lifetime$29.99
16 purchases

Dinosaur World Encyclopedia

Subscriptions7
  • Dinosaurs Directory Monthly3 Days trial$1.991 Month
  • Prehistoric Pack Monthly3 Days trial$2.991 Month
  • Prehistoric Pack Weekly3 Days trial$4.997 Days
Show 4 more
  • Prehistoric Pack Weekly$4.997 Days
  • Dinosaurs Directory Yearly3 Days trial$12.991 Year
  • Prehistoric Pack Annual1 Month trial$19.991 Year
  • Prehistoric Pack Yearly$19.991 Year
One-time9
  • Marine Reptiles$0.99
  • Leptoceratops$19.99
  • Utahraptor$19.99
Show 6 more
  • Plesiopleurodon$19.99
  • Stenopterygius$19.99
  • Mosasaurus$19.99
  • Attenborosaurus$19.99
  • Tylosaurus$19.99
  • Prehistoric Packs$49.99

Questions

Is Terminology free?
Terminology is free to download, with in-app purchases available.
Is Dinosaur World Encyclopedia free?
Dinosaur World Encyclopedia is free to download, with in-app purchases available.
Which has better reviews, Terminology or Dinosaur World Encyclopedia?
Terminology is rated higher. Terminology averages 4.7 out of 5 from 1.1K ratings, while Dinosaur World Encyclopedia averages 4.4 from 1.5K ratings.
Do Terminology or Dinosaur World Encyclopedia have ads?
Neither Terminology nor Dinosaur World Encyclopedia shows ads.
Which is updated more often, Terminology or Dinosaur World Encyclopedia?
Terminology ships an update every 4 weeks, and Dinosaur World Encyclopedia monthly. Most recently, Terminology was updated on October 26, 2026 and Dinosaur World Encyclopedia on October 26, 2026.

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