# SchoolBus Alert vs Studio Calia

The clearest difference is update cadence: SchoolBus Alert at every 2 months against Studio Calia's every 21 months. SchoolBus Alert also leads on iOS requirement (11.0 vs 13.0). On price, ads, 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.

SchoolBus Alert ships an update every 2 months, Studio Calia every 21 months. The most recent releases landed on June 24, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | SchoolBus Alert | Studio Calia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/schoolbus-alert/id1242870137/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 21 months |
| Monetization | Free | — |
| Size | 28 MB | 47 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [M-Stat Mobile Solutions](https://appshunter.io/developer/382817720) | [Clay and Co Hair Design Pty Ltd](https://appshunter.io/developer/1647470017) |

## What reviewers say

### SchoolBus Alert

[App page](https://appshunter.io/ios/app/schoolbus-alert/id1242870137)

This app provides parents with real-time updates on their child's school bus location and estimated arrival time. Parents can customize notifications, schedule absences, and directly contact the school for enhanced safety and time management.

**Highlights:** Real-time bus location tracking, Estimated arrival time notifications, Customizable SMS/push notifications, Schedule child's absence, Direct school contact, Secure parent login

**In-app purchases:** none


### Studio Calia

[App page](https://appshunter.io/ios/app/studio-calia/id6443591265)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is SchoolBus Alert free?

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

### Is Studio Calia free?

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

### Do SchoolBus Alert or Studio Calia have ads?

Neither SchoolBus Alert nor Studio Calia shows ads.

### Which is updated more often, SchoolBus Alert or Studio Calia?

SchoolBus Alert ships an update every 2 months, and Studio Calia every 21 months. Most recently, SchoolBus Alert was updated on June 24, 2026 and Studio Calia on May 19, 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.*