# Capacity vs Optimal Blue

Capacity and Optimal Blue both sit at 5.0 stars, but that hides the real split: 100% of Capacity's written reviews are positive against 80% of Optimal Blue's. Capacity also leads on iOS requirement (15.1 vs 18.6). Optimal Blue's advantage is ratings volume (209 vs 15). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Capacity against 4.9 for Optimal Blue. That said, the two scores are not equally well evidenced: Optimal Blue has 209 ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 100% of Capacity's written reviews are positive against 80% of Optimal Blue's.

Capacity ships an update every 5 weeks, Optimal Blue monthly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Capacity | Optimal Blue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/capacity/id1629740333/reviews)** | [4.9 (209 ratings)](https://appshunter.io/ios/app/optimal-blue-ppe/id6469644596/reviews) |
| Number of ratings | 15 | **209** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 28 MB | 37 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ai Software, LLC](https://appshunter.io/developer/1533052429) | [Optimal Blue LLC](https://appshunter.io/developer/819598914) |

## What reviewers say

### Capacity

[App page](https://appshunter.io/ios/app/capacity/id1629740333)

Automate business support and workflows with AI-powered knowledge base and chatbot features. This platform helps reduce incoming requests and tickets while enabling faster, more effective responses for employees and customers.

**Highlights:** AI-powered Concierge chatbot, Knowledge Base browsing, Helpdesk ticket management, Automate support processes, Employee and customer support

**Features:** macOS Compatibility

**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 Capacity free?

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

### Is Optimal Blue free?

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

### Which has better reviews, Capacity or Optimal Blue?

Capacity is rated higher. Capacity averages 5.0 out of 5 from 15 ratings, while Optimal Blue averages 4.9 from 209 ratings.

### Do Capacity or Optimal Blue have ads?

Neither Capacity nor Optimal Blue shows ads.

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

Capacity ships an update every 5 weeks, and Optimal Blue monthly. Most recently, Capacity was updated on October 20, 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.*