# Schoolmate App vs 3D CTO Wiring

The clearest difference is in-app purchases: 3D CTO Wiring at none against Schoolmate App's 20. 3D CTO Wiring also leads on update cadence (every 7 months vs every 18 months) and iOS requirement (13.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Schoolmate App sells 20 one-off in-app purchases. 3D CTO Wiring asks for nothing beyond the download.

Schoolmate App ships an update every 18 months, 3D CTO Wiring every 7 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | Schoolmate App | 3D CTO Wiring |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 7 months** |
| Size | 146 MB | 27 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [Pravin Goel](https://appshunter.io/developer/1771857707) |

## What reviewers say

### Schoolmate App

[App page](https://appshunter.io/ios/app/schoolmate-app/id6504724516)

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AK | $24.99 | one-time |
| Package - AL | $29.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BF | $49.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - CF | $199.99 | one-time |
| Package - CB | $199.99 | one-time |
| Package - CE | $199.99 | one-time |
| Package - CG | $299.99 | one-time |
| Package - CH | $299.99 | one-time |
| Package - CI | $349.99 | one-time |
| Package - CJ | $399.99 | one-time |
| Package - CK | $449.99 | one-time |
| Package - CM | $599.99 | one-time |
| Package - CN | $699.99 | one-time |


### 3D CTO Wiring

[App page](https://appshunter.io/ios/app/3d-cto-wiring/id6736403531)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Schoolmate App free?

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

### Is 3D CTO Wiring free?

3D CTO Wiring is free to download, with no in-app purchases.

### Do Schoolmate App or 3D CTO Wiring have ads?

Neither Schoolmate App nor 3D CTO Wiring shows ads.

### Which is updated more often, Schoolmate App or 3D CTO Wiring?

Schoolmate App ships an update every 18 months, and 3D CTO Wiring every 7 months. Most recently, Schoolmate App was updated on October 27, 2026 and 3D CTO Wiring on October 27, 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.*