# Geometry Quick Reference vs Logarithm

The clearest difference is price: Geometry Quick Reference at $0.99 against Logarithm's $3.99. Geometry Quick Reference also leads on iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Geometry Quick Reference costs $0.99 and Logarithm $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Geometry Quick Reference | Logarithm |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | — |
| Size | 7 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Gomathy Shankaran](https://appshunter.io/developer/503956143) |

## What reviewers say

### Geometry Quick Reference

[App page](https://appshunter.io/ios/app/geometry-quick-reference/id706066085)

**Features:** macOS Compatibility

**In-app purchases:** none


### Logarithm

[App page](https://appshunter.io/ios/app/logarithm-exponent-polynomial/id6479218431)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Geometry Quick Reference free?

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

### Is Logarithm free?

Logarithm costs $3.99, with no in-app purchases.

### Do Geometry Quick Reference or Logarithm have ads?

Neither Geometry Quick Reference nor Logarithm 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.*