Thai Irregular Verbs V1 V2 V3 vs Double Trees
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Thai Irregular Verbs V1 V2 V3
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An English verb forms dictionary for Thai learners. Every verb shows its three forms: V1 (base form), V2 (past simple) and V3 (past participle). Most verbs just add -ed, but irregular verbs change in their own way and have to be learned one by one. This app has more than 5,800 verbs with Thai meanings, for students, O-NET and TOEIC test takers, and anyone who wants to write English correctly. Explanations are in Thai. What you can do • Type a verb in any form and see V1, V2 and V3 together with the Thai meaning • Listen to the English pronunciation and practise saying it • Save verbs you have not learned yet and review them on day 1, 3, 7 and 14, with a word of the day reminder • Verb games: multiple choice, picture guessing, matching, guessing the word from its meaning, and unscrambling letters • Vocab cards in flashcard, test, spelling, matching and unscramble modes • Quizzes and tests with instant scores, so you can see what to review • Articles on verb forms and English grammar from WordyGuru, inside the app • Share a verb as an image to LINE or social media, or copy it • Adjust the text size, and switch to the dark theme at night • Verbs and articles you have opened can be read again without internet (the first view needs a connection); can't find a verb? Ask the team to add it Practise a few verbs every day until they stick. The content is the same as wordyguru.com and is updated continually. Free to use, with ads. Developed by Wordy Guru
Double Trees
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This app is designed to document and manage double trees international schools and opened to registered schools only. From KinderBell.
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Verdict
The clearest difference is update cadence: Double Trees at every 10 days against Thai Irregular Verbs V1 V2 V3's every 23 months. Double Trees also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Thai Irregular Verbs V1 V2 V3 ships an update every 23 months, Double Trees every 10 days. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.
| Parameter | Thai Irregular Verbs V1 V2 V3 | Double Trees |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 23 months | Every 10 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 32 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Kittipong Intaboot | KinderBell |
In-app purchases
Thai Irregular Verbs V1 V2 V3
No in-app purchases
Double Trees
No in-app purchases
Questions
Is Thai Irregular Verbs V1 V2 V3 free?
Is Double Trees free?
Do Thai Irregular Verbs V1 V2 V3 or Double Trees have ads?
Which is updated more often, Thai Irregular Verbs V1 V2 V3 or Double Trees?
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