# Optimal Blue vs xSolo

The clearest difference is ads: Optimal Blue at none against xSolo's shown. xSolo's advantage is update cadence (every 5 days vs monthly) and iOS requirement (15.0 vs 18.6). On price, 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.

Optimal Blue ships an update monthly, xSolo every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Optimal Blue | xSolo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (209 ratings)](https://appshunter.io/ios/app/optimal-blue-ppe/id6469644596/reviews)** | — |
| Number of ratings | **209** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free | — |
| Size | 37 MB | 48 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Optimal Blue LLC](https://appshunter.io/developer/819598914) | [Marken LLP](https://appshunter.io/developer/1802336131) |

## What reviewers say

### Optimal Blue

[App page](https://appshunter.io/ios/app/optimal-blue-ppe/id6469644596)

Access a comprehensive mortgage pricing and product engine on your mobile device. Track market indices, receive real-time updates, and generate instant, accurate loan quotes. Ideal for mortgage professionals needing on-the-go access to pricing data and scenario analysis.

**Highlights:** Mortgage product, pricing, and eligibility engine, Track mortgage market indices (OBMMI™), Receive push notifications for updates, Price scenarios and save favorites, Automatic scenario refresh, Access full pricing inputs and custom fields, View eligible and ineligible products with reasons

**Features:** Apple Watch app

**In-app purchases:** none


### xSolo

[App page](https://appshunter.io/ios/app/xsolo/id6747362247)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optimal Blue free?

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

### Is xSolo free?

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

### Do Optimal Blue or xSolo have ads?

xSolo shows ads; Optimal Blue does not.

### Which is updated more often, Optimal Blue or xSolo?

Optimal Blue ships an update monthly, and xSolo every 5 days. Most recently, Optimal Blue was updated on October 24, 2026 and xSolo on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*