# Cardtapp vs Optimal Blue

The clearest difference is rating: Optimal Blue at 4.9 against Cardtapp's 3.1. Optimal Blue also leads on review sentiment (80% vs 50%) and ratings volume (209 vs 13). Cardtapp's advantage is iOS requirement (14.0 vs 18.6). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 4.9 against 3.1. That said, the two scores are not equally well evidenced: Optimal Blue has 209 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 50% of Cardtapp's written reviews are positive against 80% of Optimal Blue's.

Cardtapp ships an update every 3 months, Optimal Blue monthly. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cardtapp | Optimal Blue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (13 ratings)](https://appshunter.io/ios/app/cardtapp/id1049878090/reviews) | **[4.9 (209 ratings)](https://appshunter.io/ios/app/optimal-blue-ppe/id6469644596/reviews)** |
| Number of ratings | 13 | **209** |
| Positive reviews | 50.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 29 MB | 37 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Front Pocket Marketing, L.L.C.](https://appshunter.io/developer/1000843116) | [Optimal Blue LLC](https://appshunter.io/developer/819598914) |

## What reviewers say

### Cardtapp

[App page](https://appshunter.io/ios/app/cardtapp/id1049878090)

Create and share a dynamic digital business card to enhance professional networking. Track lead engagement and communicate directly with contacts. Seamlessly share via QR code and cobrand with partners.

**Highlights:** Create digital business cards, On-the-go lead dashboard, Streamlined client communication, QR code sharing, Cobranding with referral partners, Monitor contact engagement

**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 Cardtapp free?

Cardtapp 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, Cardtapp or Optimal Blue?

Optimal Blue is rated higher. Cardtapp averages 3.1 out of 5 from 13 ratings, while Optimal Blue averages 4.9 from 209 ratings.

### Do Cardtapp or Optimal Blue have ads?

Neither Cardtapp nor Optimal Blue shows ads.

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

Cardtapp ships an update every 3 months, and Optimal Blue monthly. Most recently, Cardtapp was updated on October 7, 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.*