# Blackjack Trainer and Analyzer vs Card Adder 21

The clearest difference is ads: Card Adder 21 at none against Blackjack Trainer and Analyzer's shown. Card Adder 21 also leads on monetization model (free vs free with in-app purchases) and iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Blackjack Trainer and Analyzer sells 1 in-app purchase, starting at $0.99 per month and Card Adder 21 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Blackjack Trainer and Analyzer against 5.0 for Card Adder 21. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Blackjack Trainer and Analyzer ships an update weekly, Card Adder 21 every 5 days. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Blackjack Trainer and Analyzer | Card Adder 21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/blackjack-trainer-and-analyzer/id6670712435/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/card-adder-21/id6748666396/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 84 MB | 79 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [To Each Their Own LLC](https://appshunter.io/developer/1731881077) | [Dot Business Integrated Solutions](https://appshunter.io/developer/1808206089) |

## What reviewers say

### Blackjack Trainer and Analyzer

[App page](https://appshunter.io/ios/app/blackjack-trainer-and-analyzer/id6670712435)

Improve your blackjack skills with this trainer and analyzer. Learn optimal strategy, track your progress, and enjoy unlimited free chips. An ad-free experience is available with a premium subscription.

**Highlights:** Analyzer tool for optimal play, Unlimited free chips with ad-supported refills, Daily chip bonuses, Ad-free premium upgrade, Clean and simple design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blackjack Premium | $0.99 | per month |


### Card Adder 21

[App page](https://appshunter.io/ios/app/card-adder-21/id6748666396)

Enhance your mental math skills by tracking a running total as cards are dealt. Progress through increasingly challenging levels with a timed element. The game offers progress tracking and is designed to make counting enjoyable.

**Highlights:** Progressive difficulty levels, Timed challenges, Running total tracking, Progress tracking, Card dealing gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Card Adder 21 Pro Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Blackjack Trainer and Analyzer free?

Blackjack Trainer and Analyzer is free to download, with in-app purchases available.

### Is Card Adder 21 free?

Card Adder 21 is free to download, with in-app purchases available.

### Which has better reviews, Blackjack Trainer and Analyzer or Card Adder 21?

Blackjack Trainer and Analyzer and Card Adder 21 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Blackjack Trainer and Analyzer or Card Adder 21 have ads?

Blackjack Trainer and Analyzer shows ads; Card Adder 21 does not.

### Which is updated more often, Blackjack Trainer and Analyzer or Card Adder 21?

Blackjack Trainer and Analyzer ships an update weekly, and Card Adder 21 every 5 days. Most recently, Blackjack Trainer and Analyzer was updated on October 20, 2026 and Card Adder 21 on October 9, 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.*