# Co vs Logarithm

The clearest difference is price: Co at $1.99 against Logarithm's $3.99. Co also leads on iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Co costs $1.99 and Logarithm $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Co | Logarithm |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | — |
| Size | 17 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Aleesha Kondys](https://appshunter.io/developer/478569400) | [Gomathy Shankaran](https://appshunter.io/developer/503956143) |

## What reviewers say

### Co

[App page](https://appshunter.io/ios/app/co-ordinates/id594462845)

**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 Co free?

Co costs $1.99, with no in-app purchases.

### Is Logarithm free?

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

### Do Co or Logarithm have ads?

Neither Co 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.*