# StudyThai.ai vs Thai90Days

The clearest difference is iOS requirement: StudyThai.ai at 15.1 against Thai90Days's 26.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. StudyThai.ai sells 3 in-app purchases, starting at $14.99 per month and Thai90Days sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | StudyThai.ai | Thai90Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thai90days/id6789536788/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | — | Freemium |
| Size | 69 MB | 1.3 GB |
| Requires iOS | **15.1** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [灿伟 卢](https://appshunter.io/developer/1764856231) | [Kritsana Saenghirun](https://appshunter.io/developer/6789536790) |

## What reviewers say

### StudyThai.ai

[App page](https://appshunter.io/ios/app/studythaiai-learn-thai/id6759391196)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $14.99 | per month |
| Pro Yearly | $99.99 | per year |
| Pro Lifetime | $219.99 | one-time |


### Thai90Days

[App page](https://appshunter.io/ios/app/thai90days/id6789536788)

Practice real Thai conversations with an AI tutor and receive instant pronunciation feedback. Learn everyday phrases and cultural nuances through structured lessons and interactive dialogues designed for practical use.

**Highlights:** AI-powered live conversation practice, Instant pronunciation scoring, 50 structured lessons across 5 levels, 2,000+ teacher-verified Thai recordings, Comprehension checks via speaking, Focus spotlight for single-item study, Real-life slang and cultural nuances

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $19.99 | per month |
| Premium Annual | $99.99 | per year |


## Frequently asked questions

### Is StudyThai.ai free?

StudyThai.ai is free to download, with in-app purchases available.

### Is Thai90Days free?

Thai90Days is free to download, with in-app purchases available.

### Do StudyThai.ai or Thai90Days have ads?

Neither StudyThai.ai nor Thai90Days shows ads.

### Which is updated more often, StudyThai.ai or Thai90Days?

StudyThai.ai ships an update fortnightly, and Thai90Days fortnightly. Most recently, StudyThai.ai was updated on October 28, 2026 and Thai90Days on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*