# 11x13 vs Sum 1st Terms

The clearest difference is iOS requirement: Sum 1st Terms at 12.0 against 11x13's 15.6. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | 11x13 | Sum 1st Terms |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | — |
| Monetization | Free | — |
| Size | 2 MB | 33 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matthias Hennemeyer](https://appshunter.io/developer/352918135) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## 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


### Sum 1st Terms

[App page](https://appshunter.io/ios/app/sum-1st-terms-arithmetic-seq/id6741040651)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 11x13 free?

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

### Is Sum 1st Terms free?

Sum 1st Terms is free to download, with no in-app purchases.

### Do 11x13 or Sum 1st Terms have ads?

Neither 11x13 nor Sum 1st Terms shows ads.

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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.*