Thai Fast Dictionary vs Thai Dictionary Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Offline global standard database
- Extensive word repository
- Definitions and examples
- Integrated AI chatbot
- Instant assistance
- Pronunciation practice
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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
Thai Dictionary Pro
This English-Thai and Thai-English dictionary app offers fast word lookups in both languages. It features audio pronunciations for English words and visually highlights vocabulary and translations for easier understanding.
- English-Thai dictionary
- Thai-English dictionary
- Fast word search
- Type in Thai or English
- English word audio pronunciation
- Highlighted vocabulary and translations
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พจนานุกรม อังกฤษ-ไทย , ไทย-อังกฤษ สำหรับ iOS - ค้นหาคำศัพท์ได้รวดเร็ว - พิมพ์ค้นหาได้ทั้งภาษาไทย และภาษาอังกฤษ - มีเสียงคำศัพท์ภาษาอังกฤษ ทั้งภาษาอังกฤษและไทย - ไฮไลท์คำศัพท์และคำแปล สีสันสวยงาม เข้าใจง่าย ผลิตภัณฑ์นี้สร้างสรรค์ขึ้นโดยดัดแปลงมาจากพจนานุกรมเล็กซิตรอนพัฒนาโดย ศูนย์เทคโนโลยีอิเล็กทรอนิกส์และคอมพิวเตอร์แห่งชาติ http://www.nectec.or.th
Screenshots
Verdict
The clearest difference is rating: Thai Fast Dictionary at 5.0 against Thai Dictionary Pro's 4.0. Thai Dictionary Pro's advantage is in-app purchases (none vs 7) and ads (none vs shown). On price, ratings volume 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
Both are free to download. Thai Fast Dictionary sells 7 in-app purchases, starting at $0.99 per month. Thai Dictionary Pro asks for nothing beyond the download.
Thai Fast Dictionary holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Thai Fast Dictionary ships an update every 6 weeks, Thai Dictionary Pro every 8 days. The most recent releases landed on September 28, 2026 and September 19, 2026 respectively.
| Parameter | Thai Fast Dictionary | Thai Dictionary Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 59.6% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 6 weeks | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 143 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | THAI FAST COMPANY LIMITED | Narong Aunthee |
Customer experience
Thai Fast Dictionary
Thai Dictionary Pro
In-app purchases
Thai Fast Dictionary
- Advance features$0.991 Month
- Offline IPA with no Ads$2.991 Year
- English meaning and samples$2.991 Year
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- Advance features$4.991 Year
- Point 1000 pts$2.99
- Point 5500 pts$12.99
- Point 12000 pts$29.99
Thai Dictionary Pro
No in-app purchases
Questions
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