# CO vs IQ Test

CO and IQ Test are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. CO sells 2 in-app purchases, starting at $79.00 per month and IQ Test sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for CO against 5.0 for IQ Test. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

CO ships an update every 2 months, IQ Test every 6 weeks. The most recent releases landed on October 30, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CO | IQ Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/co-op-link/id6630364404/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/iq-test-logic-and-intelligence/id6759832082/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 106 MB | 46 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [jeff posth](https://appshunter.io/developer/1762314687) | [Onur Yuksekkaya](https://appshunter.io/developer/1865143108) |

## 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 |


### IQ Test

[App page](https://appshunter.io/ios/app/iq-test-logic-and-intelligence/id6759832082)

Measure your cognitive abilities with an adaptive IQ test. Receive a detailed score, brain map, and career suggestions. Includes brain games to train your mind and track your progress over time.

**Highlights:** Adaptive IQ testing, 7 cognitive skill measurement, Detailed brain map, Career and learning style suggestions, Progress tracking, Brain training games

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| BrainX Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is CO free?

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

### Is IQ Test free?

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

### Which has better reviews, CO or IQ Test?

CO and IQ Test are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do CO or IQ Test have ads?

Neither CO nor IQ Test shows ads.

### Which is updated more often, CO or IQ Test?

CO ships an update every 2 months, and IQ Test every 6 weeks. Most recently, CO was updated on October 30, 2026 and IQ Test 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.*