# Speed math vs Numi123

The clearest difference is ads: Numi123 at none against Speed math's shown. Numi123 also leads on update cadence (every 3 days vs every 11 months). Speed math's advantage is iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Speed math sells 1 one-off in-app purchase and Numi123 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Speed math ships an update every 11 months, Numi123 every 3 days. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Speed math | Numi123 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/speed-mathmental-arithmetic/id1092366930/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 13 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [向军 贾](https://appshunter.io/developer/788691093) | [Nexus AI Studio](https://appshunter.io/developer/6799505015) |

## What reviewers say

### Speed math

[App page](https://appshunter.io/ios/app/speed-mathmental-arithmetic/id1092366930)

This educational game helps children practice fundamental math skills like addition and subtraction. It offers a fun way to improve calculation abilities through engaging gameplay. Designed for young learners, it covers basic arithmetic operations.

**Highlights:** Addition practice, Subtraction practice, Multiplication practice, Division practice, Educational games, Mental arithmetic training

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock function and off AD | $3.99 | one-time |


### Numi123

[App page](https://appshunter.io/ios/app/numi123/id6799505012)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $9.99 | one-time |


## Frequently asked questions

### Is Speed math free?

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

### Is Numi123 free?

Numi123 is free to download, with in-app purchases available.

### Do Speed math or Numi123 have ads?

Speed math shows ads; Numi123 does not.

### Which is updated more often, Speed math or Numi123?

Speed math ships an update every 11 months, and Numi123 every 3 days. Most recently, Speed math was updated on November 2, 2026 and Numi123 on November 6, 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.*