# Calrossy vs 000 Buzzer

The clearest difference is iOS requirement: 000 Buzzer at 11.0 against Calrossy's 13.0. 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.

Calrossy ships an update every 5 months, 000 Buzzer every 4 months. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Calrossy | 000 Buzzer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 28 MB | 91 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Calrossy Anglican School](https://appshunter.io/developer/1445483434) | [360 ENTERTAINMENT PTY LIMITED](https://appshunter.io/developer/433368567) |

## What reviewers say

### Calrossy

[App page](https://appshunter.io/ios/app/calrossy/id1445483436)

Stay connected with your school community through instant updates, personalized calendars, and direct messaging. Track assignments, view schedules, and receive important news and alerts.

**Highlights:** Instant notifications, Personalized messaging, Dynamic calendar, Assignment tracking, Real-time timetable, School news updates

**Features:** macOS Compatibility

**In-app purchases:** none


### 000 Buzzer

[App page](https://appshunter.io/ios/app/000-buzzer/id1469846481)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calrossy free?

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

### Is 000 Buzzer free?

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

### Do Calrossy or 000 Buzzer have ads?

Neither Calrossy nor 000 Buzzer shows ads.

### Which is updated more often, Calrossy or 000 Buzzer?

Calrossy ships an update every 5 months, and 000 Buzzer every 4 months. Most recently, Calrossy was updated on October 24, 2026 and 000 Buzzer on October 3, 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.*