# DOS vs Vantij

The clearest difference is in-app purchases: DOS at none against Vantij's 1. DOS also leads on iOS requirement (10.0 vs 16.2). Vantij's advantage is update cadence (every 4 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Vantij sells 1 in-app purchase, starting at $4.99 per year. DOS asks for nothing beyond the download.

DOS ships an update every 6 weeks, Vantij every 4 days. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | DOS | Vantij |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/vantij/id6755806355/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | — | Subscription |
| Size | 16 MB | 24 MB |
| Requires iOS | **10.0** | 16.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Talitor Technology Inc.](https://appshunter.io/developer/569753332) | [Jacob Knight](https://appshunter.io/developer/1856479297) |

## What reviewers say

### DOS

[App page](https://appshunter.io/ios/app/dos-v-plus/id1444331036)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vantij

[App page](https://appshunter.io/ios/app/vantij/id6755806355)

Visualize nearby public safety infrastructure like traffic cameras and environmental sensors on an interactive radar map. Selectable radii allow you to see fixed observation systems within your chosen range. An Apple Watch companion app offers widget support.

**Highlights:** Real-time GPS positioning, Radar-style infrastructure visualization, Selectable radius display (1-10 miles), Interactive map with device markers, Apple Watch companion app with widgets

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| yearly | $4.99 | per year |


## Frequently asked questions

### Is DOS free?

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

### Is Vantij free?

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

### Do DOS or Vantij have ads?

Neither DOS nor Vantij shows ads.

### Which is updated more often, DOS or Vantij?

DOS ships an update every 6 weeks, and Vantij every 4 days. Most recently, DOS was updated on September 10, 2026 and Vantij on September 24, 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.*