# Smartbuz pro vs 大大守護家

The clearest difference is update cadence: Smartbuz pro at every 9 days against 大大守護家's every 2 months. 大大守護家's advantage is iOS requirement (12.0 vs 15.6). 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.

Smartbuz pro ships an update every 9 days, 大大守護家 every 2 months. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Smartbuz pro | 大大守護家 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free | — |
| Size | 38 MB | 170 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [百藝國際](https://appshunter.io/developer/967875699) | [DA DA BROADBAND LTD.](https://appshunter.io/developer/1514722484) |

## What reviewers say

### Smartbuz pro

[App page](https://appshunter.io/ios/app/smartbuz-pro/id1173390804)

This app offers real-time school bus tracking for administrators and parents, ensuring student safety. It provides notifications for abnormal driving and records daily bus travel times for improved planning.

**Highlights:** Dynamic school bus location query, Student boarding and alighting notifications, Abnormal driving alerts, Real-time bus status monitoring, Daily driving time recording, Improved driving planning data

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

**In-app purchases:** none


### 大大守護家

[App page](https://appshunter.io/ios/app/id1610100619)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smartbuz pro free?

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

### Is 大大守護家 free?

大大守護家 is free to download, with no in-app purchases.

### Do Smartbuz pro or 大大守護家 have ads?

Neither Smartbuz pro nor 大大守護家 shows ads.

### Which is updated more often, Smartbuz pro or 大大守護家?

Smartbuz pro ships an update every 9 days, and 大大守護家 every 2 months. Most recently, Smartbuz pro was updated on September 17, 2026 and 大大守護家 on September 11, 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.*