Terminology vs Interactive Thesaurus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Interactive Thesaurus
Explore word meanings and relationships with this smart English thesaurus. It helps you find suitable words, expand your vocabulary, and improve grammar through an intuitive interface with semantic relations and color-coded parts of speech. Offline access and sharing options are included.
- 200,000+ English words and definitions
- Visual semantic relations between words
- Color coding for parts of speech
- Word suggestions
- Editable bookmarks
- Offline access
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Interactive Thesaurus is a new smart way to explore word meanings and relations. This application is a English thesaurus that helps you find the meanings for words and show relations between associated words. You can quickly find a suitable word, extend your vocabulary and improve your grammar. FEATURES: ● More than 200,000 English words and definitions ● Intuitive interface that shows semantic relations between words ● Color coding for different parts of speech ● Word suggestions ● Editable bookmarks function ● Undo/Redo ● Save the result image into Photo library, send it by email or share it with your friends ● No internet connection required FEEDBACK: If you enjoy it, be sure to rate each new version 5 star on the App Store. If you have any comments or suggestions, email me at support@alextataurov.com. THESAURUS SOURCE: The application uses the WordNet® lexical database (created by Princeton University).
Screenshots
Verdict
The clearest difference is price: Terminology at Free against Interactive Thesaurus's $2.99. Terminology also leads on update cadence (monthly vs every 3 months). Interactive Thesaurus's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 18.0). On rating, review sentiment, ratings volume 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
Terminology is free to download; Interactive Thesaurus costs $2.99 up front. Terminology sells 2 in-app purchases, starting at $7.99 per year. Interactive Thesaurus asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for Terminology against 4.8 for Interactive Thesaurus. Both are backed by a comparable volume of ratings — 1.1K and 759 respectively. Written reviews split almost evenly too, at 72% and 71% positive.
Terminology ships an update monthly, Interactive Thesaurus every 3 months. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.
| Parameter | Terminology | Interactive Thesaurus |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.7 (1.1K ratings) | 4.8 (759 ratings) — better |
| Positive reviews | 71.8% of reviews — better | 71.0% of reviews |
| Number of ratings | 1.1K — better | 759 |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 100 MB | 96 MB |
| Age rating | 4+ | 12+ |
| Developer | Agile Tortoise | Alexey Tataurov |
Customer experience
Terminology
Interactive Thesaurus
User reviews
Terminology
From 1.1K App Store ratingsWhat 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
Interactive Thesaurus
From 759 App Store ratingsWhat we love
- 👍 Great app
- 🚀 Fast and efficient
- 💡 Innovative visual approach
- ❤️ Helpful writing tool
- 👍 Useful for writing and expanding vocabulary
Room to improve
- 🐛 Crashes and performance issues
- 🤔 Overlapping words and cluttered display
- 🤔 Limited word associations and definitions
- 🤔 Rotation and movement issues
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
Interactive Thesaurus
Reported bugs
3 issues- Crashes when typing
- Tapping on words doesn't always work as expected
- Inconsistent behavior across devices
Requested features
4 requests- Allow users to add words
- Ability to isolate and expand individual word nodes
- Option to turn off animation/rotation
- Incorporate audio/sound features
In-app purchases
Terminology
- Pro - Annual$7.991 Year
- Lifetime$29.99
Interactive Thesaurus
No in-app purchases







