# Number Master vs 멈블리

The clearest difference is ads: 멈블리 at none against Number Master's shown. 멈블리 also leads on update cadence (daily vs every 5 days). Number Master's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and in-app purchases there is nothing between them.

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

Number Master ships an update every 5 days, 멈블리 daily. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Number Master | 멈블리 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Daily** |
| Size | 161 MB | 7 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [ENDEVLAB](https://appshunter.io/developer/1803275438) | [Spreneur Inc.](https://appshunter.io/developer/1255759115) |

## What reviewers say

### Number Master

[App page](https://appshunter.io/ios/app/number-master-brain-boost/id6809281335)

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

**In-app purchases:** none


### 멈블리

[App page](https://appshunter.io/ios/app/id6819953754)

**In-app purchases:** none


## Frequently asked questions

### Is Number Master free?

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

### Is 멈블리 free?

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

### Do Number Master or 멈블리 have ads?

Number Master shows ads; 멈블리 does not.

### Which is updated more often, Number Master or 멈블리?

Number Master ships an update every 5 days, and 멈블리 daily. Most recently, Number Master was updated on October 11, 2026 and 멈블리 on October 16, 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.*