# Articulation IV vs oneclass supervisor

The clearest difference is price: oneclass supervisor at Free against Articulation IV's $9.99. oneclass supervisor also leads on iOS requirement (8.1 vs 12.0). Articulation IV's advantage is device support (3 vs 1). On ads and in-app purchases there is nothing between them.

oneclass supervisor is free to download; Articulation IV costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Articulation IV | oneclass supervisor |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Size | 275 MB | 0 MB |
| Requires iOS | 12.0 | **8.1** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Learning Fundamentals, Inc.](https://appshunter.io/developer/454061076) | [onebillion](https://appshunter.io/developer/908075819) |

## What reviewers say

### Articulation IV

[App page](https://appshunter.io/ios/app/articulation-iv/id515128379)

**Features:** macOS Compatibility

**In-app purchases:** none


### oneclass supervisor

[App page](https://appshunter.io/ios/app/oneclass-supervisor/id1083523304)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Articulation IV free?

Articulation IV costs $9.99, with no in-app purchases.

### Is oneclass supervisor free?

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

### Do Articulation IV or oneclass supervisor have ads?

Neither Articulation IV nor oneclass supervisor 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.*