# 3n or Not vs ベクトル

The clearest difference is price: 3n or Not at Free against ベクトル's $2.99. 3n or Not also leads on iOS requirement (14.0 vs 18.0). ベクトル's advantage is ads (none vs shown) and update cadence (weekly vs every 4 months). On in-app purchases and device support there is nothing between them.

3n or Not is free to download; ベクトル costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

3n or Not ships an update every 4 months, ベクトル weekly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 3n or Not | ベクトル |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/3n-or-not/id913003589/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 95.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 13 MB | 36 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ninicode](https://appshunter.io/developer/647989501) | [Akira Hiraoka](https://appshunter.io/developer/1668714727) |

## What reviewers say

### 3n or Not

[App page](https://appshunter.io/ios/app/3n-or-not/id913003589)

Test your quick thinking with this educational game.  It challenges you to rapidly identify if a given number is divisible by three. Perfect for practicing mental math skills.

**Highlights:** Quick number discrimination, Multiple of 3 identification, Mental math practice, Educational game

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

**In-app purchases:** none


### ベクトル

[App page](https://appshunter.io/ios/app/id6797364257)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3n or Not free?

3n or Not is free to download, with no in-app purchases.

### Is ベクトル free?

ベクトル costs $2.99, with no in-app purchases.

### Do 3n or Not or ベクトル have ads?

3n or Not shows ads; ベクトル does not.

### Which is updated more often, 3n or Not or ベクトル?

3n or Not ships an update every 4 months, and ベクトル weekly. Most recently, 3n or Not was updated on October 24, 2026 and ベクトル on October 31, 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.*