# ZenBus vs Rezilio Alerts

The clearest difference is update cadence: Rezilio Alerts at every 3 weeks against ZenBus's every 6 weeks. Rezilio Alerts also leads on iOS requirement (14.0 vs 18.0). 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.

ZenBus ships an update every 6 weeks, Rezilio Alerts every 3 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ZenBus | Rezilio Alerts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.1 (9 ratings)](https://appshunter.io/ios/app/zenbus/id1576474079/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 21 MB | 17 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zenduit](https://appshunter.io/developer/1093717453) | [Rezilio Technologie inc.](https://appshunter.io/developer/1500906811) |

## What reviewers say

### ZenBus

[App page](https://appshunter.io/ios/app/zenbus/id1576474079)

This app provides real-time tracking for shuttles and school buses, offering estimated arrival times and location updates. It allows users to set arrival notifications and can integrate with NFC tags for boarding and disembarking alerts, enhancing safety and peace of mind for guardians.

**Highlights:** Real-time bus location tracking, Estimated arrival time (ETA) updates, Customizable arrival notifications, NFC tagging for boarding/disembarking alerts, Guardian/Parental monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Rezilio Alerts

[App page](https://appshunter.io/ios/app/rezilio-alerts/id6449232712)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZenBus free?

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

### Is Rezilio Alerts free?

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

### Do ZenBus or Rezilio Alerts have ads?

Neither ZenBus nor Rezilio Alerts shows ads.

### Which is updated more often, ZenBus or Rezilio Alerts?

ZenBus ships an update every 6 weeks, and Rezilio Alerts every 3 weeks. Most recently, ZenBus was updated on October 24, 2026 and Rezilio Alerts 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.*