# Covert Public Schools vs Wall Shelf Sort 3D

The clearest difference is ads: Covert Public Schools at none against Wall Shelf Sort 3D's shown. Wall Shelf Sort 3D's advantage is update cadence (daily vs every 3 months) and device support (3 vs 1). On price 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.

Covert Public Schools ships an update every 3 months, Wall Shelf Sort 3D daily. Both last shipped on October 27, 2026.

## The numbers

| Metric | Covert Public Schools | Wall Shelf Sort 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Daily** |
| Size | 150 MB | 347 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Covert Public Schools](https://appshunter.io/developer/1725536885) | [Aziza Rahman](https://appshunter.io/developer/1705160547) |

## What reviewers say

### Covert Public Schools

[App page](https://appshunter.io/ios/app/covert-public-schools/id6476008649)

**In-app purchases:** none


### Wall Shelf Sort 3D

[App page](https://appshunter.io/ios/app/wall-shelf-sort-3d/id6479971254)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Covert Public Schools free?

Covert Public Schools is free to download, with no in-app purchases.

### Is Wall Shelf Sort 3D free?

Wall Shelf Sort 3D is free to download, with no in-app purchases.

### Do Covert Public Schools or Wall Shelf Sort 3D have ads?

Wall Shelf Sort 3D shows ads; Covert Public Schools does not.

### Which is updated more often, Covert Public Schools or Wall Shelf Sort 3D?

Covert Public Schools ships an update every 3 months, and Wall Shelf Sort 3D daily. Most recently, Covert Public Schools was updated on October 27, 2026 and Wall Shelf Sort 3D 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.*