# Zum vs Untraced

The clearest difference is in-app purchases: Zum at none against Untraced's 3. Zum also leads on iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Untraced sells 3 in-app purchases, starting at $3.99 per month. Zum asks for nothing beyond the download.

## The numbers

| Metric | Zum | Untraced |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (39 ratings)](https://appshunter.io/ios/app/zum-riders/id1122948692/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free | — |
| Size | 106 MB | 19 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zum Services, Inc.](https://appshunter.io/developer/1076430967) | [Batuhan Kabaktepe](https://appshunter.io/developer/1721813497) |

## What reviewers say

### Zum

[App page](https://appshunter.io/ios/app/zum-riders/id1122948692)

Track your school bus in real-time with AI-powered arrival and departure estimates. View upcoming rides and ride history for secure access to transportation information.

**Highlights:** Real-time vehicle location tracking, AI-powered estimated times of arrival, Upcoming ride schedules, Ride history, Secure access for authorized users

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

**In-app purchases:** none


### Untraced

[App page](https://appshunter.io/ios/app/untraced/id6805323971)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Untraced Pro Monthly | $3.99 | per month |
| Untraced Pro Yearly | $24.99 | per year |
| Untraced Pro Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is Zum free?

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

### Is Untraced free?

Untraced is free to download, with in-app purchases available.

### Do Zum or Untraced have ads?

Neither Zum nor Untraced shows ads.

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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.*