# Unitrics vs Thai Poly Words

The clearest difference is in-app purchases: Unitrics at none against Thai Poly Words's 1. Unitrics also leads on update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Thai Poly Words sells 1 one-off in-app purchase. Unitrics asks for nothing beyond the download.

Unitrics ships an update every 2 weeks, Thai Poly Words every 3 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Unitrics | Thai Poly Words |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/thai-poly-words/id6480408837/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 100 MB | 109 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cruxule Solutions Private Limited](https://appshunter.io/developer/1675238699) | [Edgar Ruiz](https://appshunter.io/developer/1738906314) |

## What reviewers say

### Unitrics

[App page](https://appshunter.io/ios/app/unitrics-all-unit-conversion/id6451291450)

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

**In-app purchases:** none


### Thai Poly Words

[App page](https://appshunter.io/ios/app/thai-poly-words/id6480408837)

Master Thai vocabulary and phrases with authentic content created by a native speaker. Learn through categorized word lists, example sentences, audio pronunciation, and interactive quizzes and games. Unlock all content with a one-time purchase.

**Highlights:** Authentic native Thai content, Categorized vocabulary lists, Everyday phrase learning, Example sentences with translations, Native audio pronunciation, Vocabulary and phrase quizzes, Fun learning games

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thai Poly Words | $7.99 | one-time |


## Frequently asked questions

### Is Unitrics free?

Unitrics is free to download, with no in-app purchases.

### Is Thai Poly Words free?

Thai Poly Words is free to download, with in-app purchases available.

### Do Unitrics or Thai Poly Words have ads?

Neither Unitrics nor Thai Poly Words shows ads.

### Which is updated more often, Unitrics or Thai Poly Words?

Unitrics ships an update every 2 weeks, and Thai Poly Words every 3 months. Most recently, Unitrics was updated on November 3, 2026 and Thai Poly Words on November 4, 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.*