# Number Master vs FluentIn

The clearest difference is in-app purchases: Number Master at none against FluentIn's 7. Number Master also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). FluentIn's advantage is ads (none vs shown) and update cadence (daily vs every 5 days). On price there is nothing between them.

Both are free to download. FluentIn sells 7 one-off in-app purchases. Number Master asks for nothing beyond the download.

Number Master ships an update every 5 days, FluentIn daily. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Number Master | FluentIn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/number-master-brain-boost/id6809281335/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 161 MB | 57 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [ENDEVLAB](https://appshunter.io/developer/1803275438) | [Jiayan Lin](https://appshunter.io/developer/6802889429) |

## What reviewers say

### Number Master

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

This app enhances math skills and cognitive abilities through engaging mini-games. It offers practice in arithmetic, logic, memory, and focus, with levels that adapt to user progress. Designed for children, it allows for personalized learning paths and multiple user profiles.

**Highlights:** Arithmetic practice (addition, subtraction, multiplication, division), Logic, memory, and focus mini-games, Progress tracking with visible levels, Personalized learning pace, Multiple user profiles, Grown-up protection for settings

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

**In-app purchases:** none


### FluentIn

[App page](https://appshunter.io/ios/app/fluentin/id6811386198)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fluent in Silicon Valley | $4.99 | one-time |
| Fluent in New York | $4.99 | one-time |
| Fluent in Wall Street | $4.99 | one-time |
| Fluent in Boston | $4.99 | one-time |
| Fluent in Coffee Shops | $4.99 | one-time |
| Fluent in Tainan | $4.99 | one-time |
| Fluent in Shanghai | $4.99 | one-time |


## Frequently asked questions

### Is Number Master free?

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

### Is FluentIn free?

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

### Do Number Master or FluentIn have ads?

Number Master shows ads; FluentIn does not.

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

Number Master ships an update every 5 days, and FluentIn daily. Most recently, Number Master was updated on November 6, 2026 and FluentIn 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.*