# ai vs TOEFL®でた単

The clearest difference is price: ai at Free against TOEFL®でた単's $9.99. ai also leads on in-app purchases (none vs 2). TOEFL®でた単's advantage is iOS requirement (15.4 vs 17.0). On ads and device support there is nothing between them.

ai is free to download; TOEFL®でた単 costs $9.99 up front. TOEFL®でた単 sells 2 in-app purchases, starting at $1.99 per month. ai asks for nothing beyond the download.

## The numbers

| Metric | ai | TOEFL®でた単 |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | — | Paid |
| Size | 1 MB | 205 MB |
| Requires iOS | 17.0 | **15.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [nakamura yusaku](https://appshunter.io/developer/1662214416) | [Namiko Takahashi](https://appshunter.io/developer/1349212420) |

## What reviewers say

### ai

[App page](https://appshunter.io/ios/app/ai-tango/id6670333761)

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

**In-app purchases:** none


### TOEFL®でた単

[App page](https://appshunter.io/ios/app/toefl/id6695751295)

This app helps you prepare for the TOEFL exam by providing a curated list of frequently tested English vocabulary. It includes over 12,000 words, with a focus on scientific and medical terms relevant to the exam. Users can also request the addition of new vocabulary.

**Highlights:** Curated TOEFL vocabulary lists, Over 12,000 words included, Focus on scientific and medical terms, User-requested word additions, Updated word data, Detailed word category breakdown

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| でた単プレミアム 1ヶ月 | $1.99 | per month |
| でた単プレミアム 1年間 | $11.99 | per year |


## Frequently asked questions

### Is ai free?

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

### Is TOEFL®でた単 free?

TOEFL®でた単 costs $9.99, and also offers in-app purchases.

### Do ai or TOEFL®でた単 have ads?

Neither ai nor TOEFL®でた単 shows ads.

---

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