# The CORE Training vs Optimal Blue

The clearest difference is update cadence: The CORE Training at every 9 days against Optimal Blue's monthly. The CORE Training also leads on iOS requirement (12.0 vs 18.6). 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.

The CORE Training ships an update every 9 days, Optimal Blue monthly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | The CORE Training | Optimal Blue |
| --- | --- | --- |
| 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 | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | — | Free |
| Size | 32 MB | 37 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [THE CORE TRAINING, INC. (U.S.)](https://appshunter.io/developer/1665311689) | [Optimal Blue LLC](https://appshunter.io/developer/819598914) |

## What reviewers say

### The CORE Training

[App page](https://appshunter.io/ios/app/the-core-training/id1665311687)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is The CORE Training free?

The CORE Training is free to download, with no in-app purchases.

### Is Optimal Blue free?

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

### Do The CORE Training or Optimal Blue have ads?

Neither The CORE Training nor Optimal Blue shows ads.

### Which is updated more often, The CORE Training or Optimal Blue?

The CORE Training ships an update every 9 days, and Optimal Blue monthly. Most recently, The CORE Training was updated on October 19, 2026 and Optimal Blue on October 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.*