# CO vs GradeMe!

The clearest difference is update cadence: GradeMe! at every 2 weeks against CO's every 2 months. CO's advantage is iOS requirement (15.6 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CO sells 2 in-app purchases, starting at $79.00 per month and GradeMe! sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

CO ships an update every 2 months, GradeMe! every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CO | GradeMe! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/co-op-link/id6630364404/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 106 MB | 25 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [jeff posth](https://appshunter.io/developer/1762314687) | [Russell Metzger](https://appshunter.io/developer/1812567395) |

## What reviewers say

### CO

[App page](https://appshunter.io/ios/app/co-op-link/id6630364404)

This app centralizes communication and organization for homeschool co-ops and hybrid schools. It allows families to access calendars, announcements, and documents, while teachers and admins can manage updates and event participation, streamlining program coordination.

**Highlights:** Program calendars and announcements, Access to policies and documents, Event signups and participant details, Admin communication management, Centralized essential information, Notifications and updates

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Growth | $79.00 | per month |
| Pro | $149.00 | per month |


### GradeMe!

[App page](https://appshunter.io/ios/app/grademe/id6793773634)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GradeMe! Monthly | $4.99 | per month |
| GradeMe! Yearly | $39.99 | per year |
| GradeMe! Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is CO free?

CO is free to download, with in-app purchases available.

### Is GradeMe! free?

GradeMe! is free to download, with in-app purchases available.

### Do CO or GradeMe! have ads?

Neither CO nor GradeMe! shows ads.

### Which is updated more often, CO or GradeMe!?

CO ships an update every 2 months, and GradeMe! every 2 weeks. Most recently, CO was updated on October 30, 2026 and GradeMe! on October 31, 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.*