# Num37 vs LOTON

The clearest difference is in-app purchases: LOTON at none against Num37's 5. LOTON also leads on update cadence (fortnightly vs every 43 months). Num37's advantage is ads (none vs shown) and iOS requirement (12.0 vs 14.0). On price and device support there is nothing between them.

Both are free to download. Num37 sells 5 one-off in-app purchases. LOTON asks for nothing beyond the download.

Num37 ships an update every 43 months, LOTON fortnightly. The most recent releases landed on September 13, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Num37 | LOTON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 43 months | **Fortnightly** |
| Size | 8 MB | 34 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sinji Sato](https://appshunter.io/developer/1437043041) | [satoshi tamanaha](https://appshunter.io/developer/1687952076) |

## 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 |


### LOTON

[App page](https://appshunter.io/ios/app/loton/id6449785278)

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

**In-app purchases:** none


## Frequently asked questions

### Is Num37 free?

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

### Is LOTON free?

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

### Do Num37 or LOTON have ads?

LOTON shows ads; Num37 does not.

### Which is updated more often, Num37 or LOTON?

Num37 ships an update every 43 months, and LOTON fortnightly. Most recently, Num37 was updated on September 13, 2026 and LOTON on September 19, 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.*