# Algebra I Quick Reference vs Cardinal Clarity

The clearest difference is price: Cardinal Clarity at Free against Algebra I Quick Reference's $0.99. Cardinal Clarity also leads on update cadence (every 5 weeks vs every 36 months) and device support (3 vs 1). Algebra I Quick Reference's advantage is iOS requirement (12.0 vs 15.1). On ads and in-app purchases there is nothing between them.

Cardinal Clarity is free to download; Algebra I Quick Reference costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Algebra I Quick Reference ships an update every 36 months, Cardinal Clarity every 5 weeks. The most recent releases landed on October 6, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Algebra I Quick Reference | Cardinal Clarity |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cardinal-clarity/id6758213128/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 4 MB | 37 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Lamar University](https://appshunter.io/developer/432951789) |

## What reviewers say

### Algebra I Quick Reference

[App page](https://appshunter.io/ios/app/algebra-i-quick-reference/id560359498)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cardinal Clarity

[App page](https://appshunter.io/ios/app/cardinal-clarity/id6758213128)

This structured learning platform helps students grasp algebra concepts through guided feedback and dynamic practice. It offers interactive quizzes, formula reinforcement, and real-time progress tracking. Achieve certification upon reaching 80% mastery.

**Highlights:** Mastery learning system, Interactive algebra quizzes, Step-by-step formula reinforcement, Real-time progress tracking, Certification upon 80% mastery

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Algebra I Quick Reference free?

Algebra I Quick Reference costs $0.99, with no in-app purchases.

### Is Cardinal Clarity free?

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

### Do Algebra I Quick Reference or Cardinal Clarity have ads?

Neither Algebra I Quick Reference nor Cardinal Clarity shows ads.

### Which is updated more often, Algebra I Quick Reference or Cardinal Clarity?

Algebra I Quick Reference ships an update every 36 months, and Cardinal Clarity every 5 weeks. Most recently, Algebra I Quick Reference was updated on October 6, 2026 and Cardinal Clarity on September 29, 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.*