Comparison

The Know vs Chambers Thesaurus

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Currently charting
Read full description

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

The Know3 screens
Chambers Thesaurus4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

The Know ships an update every 17 months, Chambers Thesaurus every 8 months. Both last shipped on November 10, 2026.

Scorecard4 real differences · 7 level
The Know versus Chambers Thesaurus: the parameters behind the verdict, then further details
ParameterThe KnowChambers Thesaurus
Price$1.99 — better$4.99
Rating—4.9 (11 ratings) — better
Positive reviews22.9% of reviews76.7% of reviews — better
Number of ratings—11 — better
Update frequencyEvery 17 monthsEvery 8 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank—#149 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.5 — better
Further details — not scored
Size2 MB18 MB
Age rating4+4+
DeveloperUtsireAntony Lewis

Customer experience

The Know

Written reviews48 reviews
Positive22.9%
Neutral6.3%
Negative70.8%

Chambers Thesaurus

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews86 reviews
Positive76.7%
Neutral4.7%
Negative18.6%

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
Show 1 more
  • 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 more
  • Allow changing background and text color for dyslexia
  • Update to the 3rd edition thesaurus
  • Visibly differentiate words with links

In-app purchases

None

The Know

No in-app purchases

None

Chambers Thesaurus

No in-app purchases

Questions

Is The Know free?
The Know costs $1.99, with no in-app purchases.
Is Chambers Thesaurus free?
Chambers Thesaurus costs $4.99, with no in-app purchases.
Do The Know or Chambers Thesaurus have ads?
Neither The Know nor Chambers Thesaurus shows ads.
Which is updated more often, The Know or Chambers Thesaurus?
The Know ships an update every 17 months, and Chambers Thesaurus every 8 months. Most recently, The Know was updated on November 10, 2026 and Chambers Thesaurus on November 10, 2026.

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