# IT単：IT単語帳 vs Train Drill

The clearest difference is in-app purchases: IT単：IT単語帳 at none against Train Drill's 2. IT単：IT単語帳 also leads on iOS requirement (13.4 vs 15.1). Train Drill's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Train Drill sells 2 in-app purchases, starting at $0.99 per month. IT単：IT単語帳 asks for nothing beyond the download.

IT単：IT単語帳 ships an update monthly, Train Drill every 2 months. The most recent releases landed on September 26, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | IT単：IT単語帳 | Train Drill |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 34 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Creatopia Inc.](https://appshunter.io/developer/1523447963) | [Kuromoji LLC](https://appshunter.io/developer/6772408096) |

## What reviewers say

### IT単：IT単語帳

[App page](https://appshunter.io/ios/app/itit/id6503707445)

Learn essential IT terms to improve your understanding of news, conversations with colleagues, and professional confidence. This app offers a curated list of approximately 1,000 IT words across 20 categories, with a review function to reinforce learning.

**Highlights:** Curated IT vocabulary list, Approximately 1,000 words, 20+ categories, Level-based learning, Review function, User-inputted word data

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

**In-app purchases:** none


### Train Drill

[App page](https://appshunter.io/ios/app/train-drill/id6778407957)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mini | $0.99 | per month |
| Unlimited | $1.99 | per month |


## Frequently asked questions

### Is IT単：IT単語帳 free?

IT単：IT単語帳 is free to download, with no in-app purchases.

### Is Train Drill free?

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

### Do IT単：IT単語帳 or Train Drill have ads?

IT単：IT単語帳 shows ads; Train Drill does not.

### Which is updated more often, IT単：IT単語帳 or Train Drill?

IT単：IT単語帳 ships an update monthly, and Train Drill every 2 months. Most recently, IT単：IT単語帳 was updated on September 26, 2026 and Train Drill on October 9, 2026.

---

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