# YellowBusTrack vs 9Sign EV

The clearest difference is update cadence: 9Sign EV at every 4 months against YellowBusTrack's every 12 months. 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.

YellowBusTrack ships an update every 12 months, 9Sign EV every 4 months. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | YellowBusTrack | 9Sign EV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/yellowbustrack-parent/id1472319312/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 35.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 22 MB | 94 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AztoSoftcon](https://appshunter.io/developer/1472319311) | [9SIGN INFRASOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1785373887) |

## What reviewers say

### YellowBusTrack

[App page](https://appshunter.io/ios/app/yellowbustrack-parent/id1472319312)

This app uses GPS technology to ensure your child's safety by tracking their school bus in real-time. Receive instant alerts for departures, arrivals, and boarding/deboarding events.

**Highlights:** Real-time bus GPS tracking, Departure and arrival alerts, RFID boarding/deboarding notifications, ETA alerts for pickup/drop-off, Customizable pickup/drop-off points, Live trip tracking

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

**In-app purchases:** none


### 9Sign EV

[App page](https://appshunter.io/ios/app/9sign-ev/id6740856260)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is YellowBusTrack free?

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

### Is 9Sign EV free?

9Sign EV is free to download, with no in-app purchases.

### Do YellowBusTrack or 9Sign EV have ads?

Neither YellowBusTrack nor 9Sign EV shows ads.

### Which is updated more often, YellowBusTrack or 9Sign EV?

YellowBusTrack ships an update every 12 months, and 9Sign EV every 4 months. Most recently, YellowBusTrack was updated on October 26, 2026 and 9Sign EV on October 28, 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.*