# Basic Strategy vs Blackjack 21 Strategy Trainer

The clearest difference is update cadence: Basic Strategy at every 5 weeks against Blackjack 21 Strategy Trainer's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Basic Strategy sells 1 one-off in-app purchase and Blackjack 21 Strategy Trainer sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Basic Strategy ships an update every 5 weeks, Blackjack 21 Strategy Trainer every 6 months. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Basic Strategy | Blackjack 21 Strategy Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 25 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Felix Parey](https://appshunter.io/developer/1732259488) | [Yahor Hreben](https://appshunter.io/developer/1811129132) |

## What reviewers say

### Basic Strategy

[App page](https://appshunter.io/ios/app/basic-strategy-blackjack/id6744754663)

This app acts as your personal Blackjack coach, providing instant, statistically optimal moves based on your hand and the dealer's upcard. Customize game rules and even utilize a card counting mode to play smarter and with more confidence.

**Highlights:** Instant basic strategy advice, Customizable game rules, Card counting mode, Offline availability, Simple interface

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Card Counting Mode | $3.99 | one-time |


### Blackjack 21 Strategy Trainer

[App page](https://appshunter.io/ios/app/blackjack-21-strategy-trainer/id6754466789)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $5.99 | per month |
| Yearly (3‑Day Trial) | $39.99 | per year |


## Frequently asked questions

### Is Basic Strategy free?

Basic Strategy is free to download, with in-app purchases available.

### Is Blackjack 21 Strategy Trainer free?

Blackjack 21 Strategy Trainer is free to download, with in-app purchases available.

### Do Basic Strategy or Blackjack 21 Strategy Trainer have ads?

Neither Basic Strategy nor Blackjack 21 Strategy Trainer shows ads.

### Which is updated more often, Basic Strategy or Blackjack 21 Strategy Trainer?

Basic Strategy ships an update every 5 weeks, and Blackjack 21 Strategy Trainer every 6 months. Most recently, Basic Strategy was updated on September 14, 2026 and Blackjack 21 Strategy Trainer on September 10, 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.*