# 11x13 vs Numerlo

The clearest difference is in-app purchases: 11x13 at none against Numerlo's 2. Numerlo's advantage is update cadence (every 3 days vs every 48 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Numerlo sells 2 in-app purchases, starting at $2.99 per month. 11x13 asks for nothing beyond the download.

11x13 ships an update every 48 months, Numerlo every 3 days. Both last shipped on September 10, 2026.

## The numbers

| Metric | 11x13 | Numerlo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 2 MB | 52 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matthias Hennemeyer](https://appshunter.io/developer/352918135) | [Nanxi Li](https://appshunter.io/developer/1869944574) |

## What reviewers say

### 11x13

[App page](https://appshunter.io/ios/app/11x13/id1345978316)

This app offers daily math practice to improve number familiarity and overcome math reservations. It focuses on basic arithmetic operations with visual progress tracking through charts and grids. Daily practice sessions can enhance fundamental mathematical skills.

**Highlights:** Daily math practice, Basic arithmetic operations, Progress visualization, Personalized calculation levels, Leaderboard integration, Number range grids

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

**In-app purchases:** none


### Numerlo

[App page](https://appshunter.io/ios/app/numerlo-speed-math/id6757960037)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Annual Premium | $25.99 | per year |


## Frequently asked questions

### Is 11x13 free?

11x13 is free to download, with no in-app purchases.

### Is Numerlo free?

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

### Do 11x13 or Numerlo have ads?

Neither 11x13 nor Numerlo shows ads.

### Which is updated more often, 11x13 or Numerlo?

11x13 ships an update every 48 months, and Numerlo every 3 days. Most recently, 11x13 was updated on September 10, 2026 and Numerlo on September 10, 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.*