# TOEFL Vocabulary Accelerator vs Mining Dictionary Case Study

The clearest difference is in-app purchases: Mining Dictionary Case Study at none against TOEFL Vocabulary Accelerator's 2. Mining Dictionary Case Study also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.2). TOEFL Vocabulary Accelerator's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. TOEFL Vocabulary Accelerator sells 2 in-app purchases, starting at $12.99 per month. Mining Dictionary Case Study asks for nothing beyond the download.

## The numbers

| Metric | TOEFL Vocabulary Accelerator | Mining Dictionary Case Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | — |
| Size | 9 MB | 118 MB |
| Requires iOS | 17.2 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [Raj Mehta](https://appshunter.io/developer/1714953061) |

## What reviewers say

### TOEFL Vocabulary Accelerator

[App page](https://appshunter.io/ios/app/toefl-vocabulary-accelerator/id6740146307)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $12.99 | per month |
| Lifetime version | $24.99 | one-time |


### Mining Dictionary Case Study

[App page](https://appshunter.io/ios/app/mining-dictionary-case-study/id6747075316)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TOEFL Vocabulary Accelerator free?

TOEFL Vocabulary Accelerator is free to download, with in-app purchases available.

### Is Mining Dictionary Case Study free?

Mining Dictionary Case Study is free to download, with no in-app purchases.

### Do TOEFL Vocabulary Accelerator or Mining Dictionary Case Study have ads?

Mining Dictionary Case Study shows ads; TOEFL Vocabulary Accelerator does not.

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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.*