The Know vs Chambers Thesaurus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Know
This app helps you solve anagrams using a vast database of over 4 million words, names, and phrases. It can identify answers for simple words, movie titles, scientific concepts, place names, and more, covering every topic imaginable. Simply input the letters and receive instant possible solutions.
- Solves tricky anagrams
- Database of 4 million+ words
- Identifies movie titles and concepts
- Covers all topics
- Instant list of possible answers
- Detailed information on answers
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The Know-It-All Anagram Solver uses a huge database of over 4 million words, names and phrases to solve even the trickiest of anagrams. It'll find the answer whether it's a simple word, a movie title, an obscure scientific concept, a place name, an old saying, or anything else, from the famous to the obscure. The database covers every conceivable topic. Simply enter the letters of your anagram and get an instant list of possible answers, and you can touch an answer to find out more.
Chambers Thesaurus
This offline English thesaurus offers a vast collection of synonyms and antonyms for writers and language enthusiasts. It features intelligent word entry with spelling suggestions and advanced search capabilities, all accessible without an internet connection.
- Nearly 40,000 indexed words
- 400,000 synonyms and antonyms
- Intelligent spelling suggestions
- Sounds-like and confused word suggestions
- Fast pattern-matching search
- Cross-reference to dictionaries
- Offline access
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The Chambers Thesaurus is the perfect reference for writers and word game enthusiasts, while all lovers of language will find it a pleasure to browse through. There are nearly 40 000 distinct indexed words, and a total of about 400 000 synonyms and antonyms. The intelligent word entry suggests possible correct spellings as you type, as well as listing words that sound the same or are often confused. Search features include: - Alphabetical listing - Spelling suggestions - Sounds-like and often-confused - Fast pattern-matching search - Cross-reference to offline and online dictionaries There are also standard bookmark, recent word and random word features. On newer iPads it supports Split View and Slide Over for easily viewing with other apps. With iOS 13+ it supports dark mode. No Internet connection is required. The Chambers Dictionary is also available as a separate app, and can easily be cross-referenced using the X-Ref button. Our WordWeb, Chambers and Oxford dictionaries are also available separately for Windows and Mac desktop (Collins coming soon).
Screenshots
Verdict
The clearest difference is review sentiment: Chambers Thesaurus at 77% against The Know's 23%. Chambers Thesaurus also leads on chart position (#149 vs unranked) and update cadence (every 8 months vs every 17 months). The Know's advantage is price ($1.99 vs $4.99). On ads, in-app purchases, monetization model 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
The Know costs $1.99 and Chambers Thesaurus $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
The Know ships an update every 17 months, Chambers Thesaurus every 8 months. Both last shipped on November 10, 2026.
| Parameter | The Know | Chambers Thesaurus |
|---|---|---|
| Price | $1.99 — better | $4.99 |
| Rating | — | 4.9 (11 ratings) — better |
| Positive reviews | 22.9% of reviews | 76.7% of reviews — better |
| Number of ratings | — | 11 — better |
| Update frequency | Every 17 months | Every 8 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #149 — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 2 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Utsire | Antony Lewis |
Customer experience
The Know
Chambers Thesaurus
Bugs and requests
The Know
Not enough reviews yet to summarise bugs or requests.
Chambers Thesaurus
Reported bugs
6 issues- App crashes when opening after update
- App no longer works on older OS versions
- Search field not immediately available
- Latest update prevents download on iPhone
- Index broken, making it less useful
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- Search only for headwords, not synonyms or sub-collections
Requested features
8 requests- Switch between purchased dictionaries/thesauruses in tabs
- Sell other desktop dictionaries on mobile
- Consistent spacing and text placement across tabs
- Use MacOS built-in support for graphics card acceleration
- Display identifying headings ('Thesaurus'/'Dictionary')
Show 3 moreShow fewer
- Allow changing background and text color for dyslexia
- Update to the 3rd edition thesaurus
- Visibly differentiate words with links
In-app purchases
The Know
No in-app purchases
Chambers Thesaurus
No in-app purchases
Questions
Is The Know free?
Is Chambers Thesaurus free?
Do The Know or Chambers Thesaurus have ads?
Which is updated more often, The Know or Chambers Thesaurus?
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