# Unison World School vs Coptin

The clearest difference is iOS requirement: Coptin at 15.6 against Unison World School's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Unison World School ships an update every 8 months, Coptin every 16 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Unison World School | Coptin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 16 months |
| Size | 48 MB | 41 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UNISON WORLD SCHOOL](https://appshunter.io/developer/1472342976) | [Zuvaria Thasneem](https://appshunter.io/developer/1359680410) |

## What reviewers say

### Unison World School

[App page](https://appshunter.io/ios/app/unison-world-school/id1472342977)

**Features:** macOS Compatibility

**In-app purchases:** none


### Coptin

[App page](https://appshunter.io/ios/app/coptin/id1516584817)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unison World School free?

Unison World School is free to download, with no in-app purchases.

### Is Coptin free?

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

### Do Unison World School or Coptin have ads?

Neither Unison World School nor Coptin shows ads.

### Which is updated more often, Unison World School or Coptin?

Unison World School ships an update every 8 months, and Coptin every 16 months. Most recently, Unison World School was updated on November 3, 2026 and Coptin on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*