# Vocab Master Pro vs Factor Tutor by ChatStick

The clearest difference is device support: Vocab Master Pro at 2 against Factor Tutor by ChatStick's —. Vocab Master Pro also leads on iOS requirement (15.1 vs 26.0). On price and in-app purchases there is nothing between them.

Both are free to download. Vocab Master Pro sells 2 one-off in-app purchases and Factor Tutor by ChatStick sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Vocab Master Pro | Factor Tutor by ChatStick |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/vocab-master-pro/id6758121818/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Daily | — |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 12 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [HZF Web LLC](https://appshunter.io/developer/1131972125) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Vocab Master Pro

[App page](https://appshunter.io/ios/app/vocab-master-pro/id6758121818)

This app helps you learn and retain essential vocabulary for standardized tests like the SAT, ACT, and GRE. It uses a smart algorithm, offers four engaging quiz types, and tracks your progress with detailed analytics. Unlock achievements and focus on specific word sets for distraction-free studying.

**Highlights:** Smart learning algorithm adapts to user progress, Four engaging quiz types (definition matching, fill-in-the-blank, synonym, reverse matching), Detailed progress tracking with daily stats and mastery charts, Achievement and badge system for motivation, Focus Mode for distraction-free studying, Review sessions for mastered words

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One time deal - 50% | $2.99 | one-time |
| Premium - 2400+ Words | $5.99 | one-time |


### Factor Tutor by ChatStick

[App page](https://appshunter.io/ios/app/factor-tutor-by-chatstick/id6760650663)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features + Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Vocab Master Pro free?

Vocab Master Pro is free to download, with in-app purchases available.

### Is Factor Tutor by ChatStick free?

Factor Tutor by ChatStick is free to download, with in-app purchases available.

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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.*