# Coef vs Class Notes

The clearest difference is in-app purchases: Coef at none against Class Notes's 1. Coef also leads on iOS requirement (16.4 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Class Notes sells 1 one-off in-app purchase. Coef asks for nothing beyond the download.

Coef ships an update every 6 days, Class Notes every 4 days. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Coef | Class Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Size | 100 MB | 15 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | +4 |
| Developer | [Noe Guerin](https://appshunter.io/developer/6801919207) | [TAKASHI KOJIMA](https://appshunter.io/developer/6776510628) |

## What reviewers say

### Coef

[App page](https://appshunter.io/ios/app/coef/id6805438755)

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

**In-app purchases:** none


### Class Notes

[App page](https://appshunter.io/ios/app/class-notes-handwritten-notes/id6811054157)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $5.99 | one-time |


## Frequently asked questions

### Is Coef free?

Coef is free to download, with no in-app purchases.

### Is Class Notes free?

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

### Do Coef or Class Notes have ads?

Neither Coef nor Class Notes shows ads.

### Which is updated more often, Coef or Class Notes?

Coef ships an update every 6 days, and Class Notes every 4 days. Most recently, Coef was updated on November 6, 2026 and Class Notes on November 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.*