# Algebra I Quick Reference vs iNSIGHT Spatial Vision

The clearest difference is price: Algebra I Quick Reference at $0.99 against iNSIGHT Spatial Vision's $2.99. Algebra I Quick Reference also leads on iOS requirement (12.0 vs 18.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Algebra I Quick Reference costs $0.99 and iNSIGHT Spatial Vision $2.99 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, iNSIGHT Spatial Vision every 39 months. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Algebra I Quick Reference | iNSIGHT Spatial Vision |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 36 months** | Every 39 months |
| Size | 4 MB | 125 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Polyhedron Learning Media, Inc.](https://appshunter.io/developer/458882328) |

## 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


### iNSIGHT Spatial Vision

[App page](https://appshunter.io/ios/app/insight-spatial-vision/id602302299)

**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 iNSIGHT Spatial Vision free?

iNSIGHT Spatial Vision costs $2.99, with no in-app purchases.

### Do Algebra I Quick Reference or iNSIGHT Spatial Vision have ads?

Neither Algebra I Quick Reference nor iNSIGHT Spatial Vision shows ads.

### Which is updated more often, Algebra I Quick Reference or iNSIGHT Spatial Vision?

Algebra I Quick Reference ships an update every 36 months, and iNSIGHT Spatial Vision every 39 months. Most recently, Algebra I Quick Reference was updated on September 18, 2026 and iNSIGHT Spatial Vision 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.*