# N3 文字語彙問題集 vs Num Trainer

The clearest difference is update cadence: Num Trainer at monthly against N3 文字語彙問題集's every 22 months. Num Trainer also leads on iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

N3 文字語彙問題集 ships an update every 22 months, Num Trainer monthly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | N3 文字語彙問題集 | Num Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/num-trainer-brain-training/id1531055741/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Monthly** |
| Monetization | — | Free |
| Size | 10 MB | 2 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yamase & Touwa Japanese Insititute](https://appshunter.io/developer/442115304) | [Yang Wang](https://appshunter.io/developer/1531055743) |

## What reviewers say

### N3 文字語彙問題集

[App page](https://appshunter.io/ios/app/n3/id1114363348)

**Features:** Vision Pro support

**In-app purchases:** none


### Num Trainer

[App page](https://appshunter.io/ios/app/num-trainer-brain-training/id1531055741)

This app offers quick, engaging number-based exercises to sharpen your mind. Improve focus, memory, and mental math skills with short training sessions that can be adjusted for difficulty.

**Highlights:** Improve reflection and focus, Enhance attention and memory, Develop mental math skills, Boost logic abilities, Multiple training modes, Adjustable difficulty levels

**In-app purchases:** none


## Frequently asked questions

### Is N3 文字語彙問題集 free?

N3 文字語彙問題集 is free to download, with no in-app purchases.

### Is Num Trainer free?

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

### Do N3 文字語彙問題集 or Num Trainer have ads?

Neither N3 文字語彙問題集 nor Num Trainer shows ads.

### Which is updated more often, N3 文字語彙問題集 or Num Trainer?

N3 文字語彙問題集 ships an update every 22 months, and Num Trainer monthly. Most recently, N3 文字語彙問題集 was updated on October 26, 2026 and Num Trainer on October 27, 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.*