# Algebra Concepts for iPad vs Rectangles & Primes

The clearest difference is price: Rectangles & Primes at Free against Algebra Concepts for iPad's $1.99. Rectangles & Primes also leads on update cadence (every 3 weeks vs every 10 months) and device support (3 vs 1). Algebra Concepts for iPad's advantage is iOS requirement (12.0 vs 15.0). On ads and in-app purchases there is nothing between them.

Rectangles & Primes is free to download; Algebra Concepts for iPad costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Algebra Concepts for iPad ships an update every 10 months, Rectangles & Primes every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Algebra Concepts for iPad | Rectangles & Primes |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/algebra-concepts-for-ipad/id453297541/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 21 MB | 10 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Johannes Charra](https://appshunter.io/developer/1557733427) |

## What reviewers say

### Algebra Concepts for iPad

[App page](https://appshunter.io/ios/app/algebra-concepts-for-ipad/id453297541)

This interactive system offers instruction in algebra from 7th grade enrichment through adult levels. It introduces terminology, builds understanding through exploration, and supports confidence development with lessons, tools, and quizzes.

**Highlights:** Algebra terminology and concepts, Exploratory tools (algebra tiles), Reference system, Quizzes with random questions, Online curriculum support, Interactive lessons

**Features:** macOS Compatibility

**In-app purchases:** none


### Rectangles & Primes

[App page](https://appshunter.io/ios/app/rectangles-and-primes/id1572074176)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Algebra Concepts for iPad free?

Algebra Concepts for iPad costs $1.99, with no in-app purchases.

### Is Rectangles & Primes free?

Rectangles & Primes is free to download, with no in-app purchases.

### Do Algebra Concepts for iPad or Rectangles & Primes have ads?

Neither Algebra Concepts for iPad nor Rectangles & Primes shows ads.

### Which is updated more often, Algebra Concepts for iPad or Rectangles & Primes?

Algebra Concepts for iPad ships an update every 10 months, and Rectangles & Primes every 3 weeks. Most recently, Algebra Concepts for iPad was updated on November 1, 2026 and Rectangles & Primes on November 3, 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.*