# Num37 vs ロトの箱

The clearest difference is ads: Num37 at none against ロトの箱's shown. Num37 also leads on iOS requirement (12.0 vs 15.0). ロトの箱's advantage is update cadence (every 8 months vs every 43 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Num37 sells 5 one-off in-app purchases and ロトの箱 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Num37 ships an update every 43 months, ロトの箱 every 8 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Num37 | ロトの箱 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 43 months | **Every 8 months** |
| Size | 8 MB | 230 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sinji Sato](https://appshunter.io/developer/1437043041) | [HFX Lab](https://appshunter.io/developer/1139262927) |

## What reviewers say

### Num37

[App page](https://appshunter.io/ios/app/num37/id1517203600)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Num3 | $1.99 | one-time |
| Num4 | $1.99 | one-time |
| Num5 | $1.99 | one-time |
| Num7 | $1.99 | one-time |
| Num6 | $1.99 | one-time |


### ロトの箱

[App page](https://appshunter.io/ios/app/id6746829601)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $2.99 | one-time |


## Frequently asked questions

### Is Num37 free?

Num37 is free to download, with in-app purchases available.

### Is ロトの箱 free?

ロトの箱 is free to download, with in-app purchases available.

### Do Num37 or ロトの箱 have ads?

ロトの箱 shows ads; Num37 does not.

### Which is updated more often, Num37 or ロトの箱?

Num37 ships an update every 43 months, and ロトの箱 every 8 months. Most recently, Num37 was updated on November 3, 2026 and ロトの箱 on October 30, 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.*