# Scolago vs ClassZoo

The clearest difference is ads: Scolago at none against ClassZoo's shown. Scolago also leads on iOS requirement (15.0 vs 18.6). ClassZoo's advantage is update cadence (weekly vs every 5 weeks). On price, in-app purchases and device support there is nothing between them.

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

Scolago ships an update every 5 weeks, ClassZoo weekly. The most recent releases landed on October 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Scolago | ClassZoo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 23.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 82 MB | 36 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scolago Innovation Inc.](https://appshunter.io/developer/1579075645) | [ClassZoo Inc.](https://appshunter.io/developer/1808720205) |

## What reviewers say

### Scolago

[App page](https://appshunter.io/ios/app/scolago/id1460464015)

This service connects school staff with substitute teachers for seamless replacement reservations. It offers a free, modern, and efficient platform to manage absences and find available candidates, eliminating the need for stressful phone calls or expensive agencies.

**Highlights:** Replacement reservation, Substitute connection tool, Self-service platform, Free for staff and substitutes, Modern and efficient interface, Expanded candidate pool

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

**In-app purchases:** none


### ClassZoo

[App page](https://appshunter.io/ios/app/classzoo/id6744654478)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scolago free?

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

### Is ClassZoo free?

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

### Do Scolago or ClassZoo have ads?

ClassZoo shows ads; Scolago does not.

### Which is updated more often, Scolago or ClassZoo?

Scolago ships an update every 5 weeks, and ClassZoo weekly. Most recently, Scolago was updated on October 30, 2026 and ClassZoo on October 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.*