Comparison

Thai Fast Dictionary vs Thai Dictionary

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

Head to head
About

Thai Fast Dictionary

Access an extensive offline dictionary with definitions and examples across multiple languages. An integrated AI chatbot offers instant assistance for clarifying terms, expanding vocabulary, and practicing pronunciation.

Highlights
  • Offline global standard database
  • Extensive word repository
  • Definitions and examples
  • Integrated AI chatbot
  • Instant assistance
  • Pronunciation practice
Features
Read full description

Thai Fast Dictionary is a Thai↔English dictionary built for speed. The entire dictionary lives on your device, so lookups are instant — no internet connection required. FEATURES • Instant Thai↔English word lookup, no waiting on a server • Clear definitions with parts of speech, example sentences, and synonyms • Search history and a favorites list, so you can find words you've looked up before • Two vocabulary games — Quiz and Hang Pig — to help you learn as you go • Works fully offline once installed Whether you're a Thai speaker learning English or an English speaker learning Thai, Thai Fast Dictionary keeps a complete dictionary in your pocket. Thai Fast Dictionary is free to use, supported by ads. An optional Advance Access subscription removes ads and unlocks unlimited daily lookups. Subscription terms: • Advance Access is available as a monthly or yearly auto-renewing subscription, billed to your Apple ID • Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period • Manage or cancel anytime in your Apple ID account settings • Payment is charged to your Apple ID account upon confirmation of purchase Privacy Policy: https://thaifastdict.com/privacy_policy.html Terms of Use: https://thaifastdict.com/term_of_use.html

About

Thai Dictionary

This app provides offline English-Thai and Thai-English translation with definitions, synonyms, and pronunciations. It offers smart word suggestions, a picture dictionary, and word reminders, all accessible without an internet connection. An optional premium upgrade unlocks advanced features and an ad-free experience.

Highlights
  • Offline English-Thai translation
  • Offline Thai-English translation
  • Definitions, synonyms, pronunciations
  • Smart word suggestions
  • Picture dictionary
  • Word reminder
  • Translate in other apps
Features
Read full description

Dict Box - offline dictionary & translator app for English-Thai learners and speakers. Translate English to Thai. Translate Thai to English. Definitions, translations, synonyms, pronunciations No internet connection required. Fast, convenient & easy to use. Very smart word suggestions. All dictionaries in one place. Translate text directly in the web browser and other apps. Offline text pronunciation. Picture dictionary. Word reminder. Plenty of dictionaries available to install. And a lot more useful features. ***Upgrade to Premium to unlock advanced features*** - Ad-free experience - Urban dictionary - Picture dictionary - Backup & sync across devices & platforms You can pay once for Premium or choose from 2 subscription options - a yearly subscription. - a monthly subscription. – Payment will be charged to iTunes Account at confirmation of purchase. – Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. – Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. – Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://xung.app/privacy-policy/ Terms: https://xung.app/terms/

Screenshots

Thai Fast Dictionary4 screens
Thai Dictionary4 screens

Verdict

The call

The clearest difference is rating: Thai Dictionary at 4.8 against Thai Fast Dictionary's 3.5. Thai Dictionary also leads on review sentiment (92% vs 60%) and ratings volume (3.6K vs 2). Thai Fast Dictionary's advantage is update cadence (every 6 weeks vs every 4 months). On price, ads, in-app purchases and monetization model 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. Thai Fast Dictionary sells 7 in-app purchases, starting at $0.99 per month and Thai Dictionary sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Thai Dictionary holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: Thai Dictionary has 3.6K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 60% of Thai Fast Dictionary's written reviews are positive against 92% of Thai Dictionary's.

UpkeepUpdate frequency

Thai Fast Dictionary ships an update every 6 weeks, Thai Dictionary every 4 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

Scorecard5 real differences · 5 level
Thai Fast Dictionary versus Thai Dictionary: the parameters behind the verdict, then further details
ParameterThai Fast DictionaryThai Dictionary
PriceFreeFree
Rating3.5 (2 ratings)4.8 (3.6K ratings) — better
Positive reviews59.6% of reviews91.6% of reviews — better
Number of ratings23.6K — better
Update frequencyEvery 6 weeks — betterEvery 4 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0.011.0 — better
Further details — not scored
Size143 MB128 MB
Age rating4+17+
DeveloperTHAI FAST COMPANY LIMITEDXung Le

Customer experience

Thai Fast Dictionary

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews94 reviews
Positive59.6%
Neutral3.2%
Negative37.2%

Thai Dictionary

All ratings3,542 ratings
Positive95.3%
Neutral2.5%
Negative2.1%
Written reviews191 reviews
Positive91.6%
Neutral3.7%
Negative4.7%

Bugs and requests

Thai Fast Dictionary

Not enough reviews yet to summarise bugs or requests.

Thai Dictionary

Reported bugs

2 issues
  • Crashes after recent update
  • Slow performance on some devices

Requested features

3 requests
  • Dark mode option
  • Improved search and suggestion functionality
  • Ability to export word lists to other apps

In-app purchases

7 purchases

Thai Fast Dictionary

Subscriptions4
  • Advance features$0.991 Month
  • Offline IPA with no Ads$2.991 Year
  • English meaning and samples$2.991 Year
Show 1 more
  • Advance features$4.991 Year
One-time3
  • Point 1000 pts$2.99
  • Point 5500 pts$12.99
  • Point 12000 pts$29.99
3 purchases

Thai Dictionary

Subscriptions2
  • Monthly Premium$2.991 Month
  • Yearly Premium3 Days trial$9.991 Year
One-time1
  • Premium Version$19.99

Questions

Is Thai Fast Dictionary free?
Thai Fast Dictionary is free to download, with in-app purchases available.
Is Thai Dictionary free?
Thai Dictionary is free to download, with in-app purchases available.
Which has better reviews, Thai Fast Dictionary or Thai Dictionary?
Thai Dictionary is rated higher. Thai Fast Dictionary averages 3.5 out of 5 from 2 ratings, while Thai Dictionary averages 4.8 from 3.6K ratings.
Do Thai Fast Dictionary or Thai Dictionary have ads?
Both Thai Fast Dictionary and Thai Dictionary show ads.
Which is updated more often, Thai Fast Dictionary or Thai Dictionary?
Thai Fast Dictionary ships an update every 6 weeks, and Thai Dictionary every 4 months. Most recently, Thai Fast Dictionary was updated on October 23, 2026 and Thai Dictionary on October 26, 2026.

Other comparisons