# Vanguard Agent ONE vs AgentBrief

The clearest difference is rating: Vanguard Agent ONE at 5.0 against AgentBrief's 4.4. AgentBrief's advantage is in-app purchases (none vs 2) and update cadence (every 3 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Vanguard Agent ONE sells 2 in-app purchases, starting at $0.99 per month. AgentBrief asks for nothing beyond the download.

Vanguard Agent ONE holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: AgentBrief has 14 ratings behind it against 1, so its average is the more settled of the two.

Vanguard Agent ONE ships an update every 4 months, AgentBrief every 3 weeks. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Vanguard Agent ONE | AgentBrief |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vanguard-agent-one/id1627210838/reviews)** | [4.4 (14 ratings)](https://appshunter.io/ios/app/agentbrief/id6447265075/reviews) |
| Number of ratings | 1 | **14** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Freemium | **Free** |
| Size | 357 MB | 47 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [VANGUARD TITLE INSURANCE AGENCY, LLC (MI)](https://appshunter.io/developer/1627210840) | [Michael Simon](https://appshunter.io/developer/1680763735) |

## What reviewers say

### Vanguard Agent ONE

[App page](https://appshunter.io/ios/app/vanguard-agent-one/id1627210838)

This app provides real estate professionals with quick and accurate closing cost calculations for buyers and sellers. Generate professional net sheets and estimates in seconds, with an optional premium subscription for advanced features.

**Highlights:** City/county specific closing cost calculations, Seller net sheets, Buyer estimates, Quick and professional reports, Free 30-day trial, Monthly and annual subscription options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |


### AgentBrief

[App page](https://appshunter.io/ios/app/agentbrief/id6447265075)

Access comprehensive residential real estate data with advanced AI and event alerts. This platform offers patented data normalization technology for unmatched insights into the market.

**Highlights:** Actionable real estate data, Patented data normalization, Event alerts, Advanced AI integration, Residential market insights

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

**In-app purchases:** none


## Frequently asked questions

### Is Vanguard Agent ONE free?

Vanguard Agent ONE is free to download, with in-app purchases available.

### Is AgentBrief free?

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

### Which has better reviews, Vanguard Agent ONE or AgentBrief?

Vanguard Agent ONE is rated higher. Vanguard Agent ONE averages 5.0 out of 5 from 1 ratings, while AgentBrief averages 4.4 from 14 ratings.

### Do Vanguard Agent ONE or AgentBrief have ads?

Neither Vanguard Agent ONE nor AgentBrief shows ads.

### Which is updated more often, Vanguard Agent ONE or AgentBrief?

Vanguard Agent ONE ships an update every 4 months, and AgentBrief every 3 weeks. Most recently, Vanguard Agent ONE was updated on October 14, 2026 and AgentBrief on October 12, 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.*