# Math Skills Builder Lite vs Cardinal Solitaire Directions

The clearest difference is in-app purchases: Cardinal Solitaire Directions at none against Math Skills Builder Lite's 1. Cardinal Solitaire Directions also leads on update cadence (weekly vs every 19 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Math Skills Builder Lite sells 1 one-off in-app purchase. Cardinal Solitaire Directions asks for nothing beyond the download.

Math Skills Builder Lite ships an update every 19 months, Cardinal Solitaire Directions weekly. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Math Skills Builder Lite | Cardinal Solitaire Directions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math-skills-builder-lite/id1277897625/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 19 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 191 MB | 3 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Attainment Company](https://appshunter.io/developer/403989333) | [William Portillo](https://appshunter.io/developer/397891789) |

## What reviewers say

### Math Skills Builder Lite

[App page](https://appshunter.io/ios/app/math-skills-builder-lite/id1277897625)

This app helps students apply early numeracy skills to solve real-world math problems. It uses math stories and concrete strategies to teach when to add or subtract. Research indicates the program is highly effective for developing problem-solving abilities.

**Highlights:** Real-world math problem scenarios, Early numeracy skill application, Concrete addition/subtraction strategies, Multiple learning modes, Research-backed effectiveness

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $59.99 | one-time |


### Cardinal Solitaire Directions

[App page](https://appshunter.io/ios/app/cardinal-solitaire-directions/id6448787148)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math Skills Builder Lite free?

Math Skills Builder Lite is free to download, with in-app purchases available.

### Is Cardinal Solitaire Directions free?

Cardinal Solitaire Directions is free to download, with no in-app purchases.

### Do Math Skills Builder Lite or Cardinal Solitaire Directions have ads?

Neither Math Skills Builder Lite nor Cardinal Solitaire Directions shows ads.

### Which is updated more often, Math Skills Builder Lite or Cardinal Solitaire Directions?

Math Skills Builder Lite ships an update every 19 months, and Cardinal Solitaire Directions weekly. Most recently, Math Skills Builder Lite was updated on October 5, 2026 and Cardinal Solitaire Directions on October 18, 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.*