# Spanish 21 Strategy vs ByteFrog

The clearest difference is in-app purchases: Spanish 21 Strategy at none against ByteFrog's 2. Spanish 21 Strategy also leads on iOS requirement (16.4 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. ByteFrog sells 2 in-app purchases, starting at $1.99 per month. Spanish 21 Strategy asks for nothing beyond the download.

## The numbers

| Metric | Spanish 21 Strategy | ByteFrog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/spanish-21-strategy/id6767954679/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 61 MB | 5 MB |
| Requires iOS | **16.4** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shutong Wu](https://appshunter.io/developer/1896524435) | [JAMES SAMUEL BARTON](https://appshunter.io/developer/6781453872) |

## What reviewers say

### Spanish 21 Strategy

[App page](https://appshunter.io/ios/app/spanish-21-strategy/id6767954679)

Master Spanish 21 basic strategy with realistic practice drills and instant feedback. Learn game rules, improve decision speed, and build confidence for casino tables. This tool offers customizable practice setups for focused repetition.

**Highlights:** Realistic shoe flow practice, Rule-specific drills, Instant feedback and explanations, Customizable practice settings, Supports various rule sets (H17/S17, deck counts), Focuses on decision speed and confidence

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

**In-app purchases:** none


### ByteFrog

[App page](https://appshunter.io/ios/app/bytefrog-learn-python-offline/id6781453870)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ByteFrog Premium | $1.99 | per month |
| 1 year of Premium | $14.99 | per year |


## Frequently asked questions

### Is Spanish 21 Strategy free?

Spanish 21 Strategy is free to download, with no in-app purchases.

### Is ByteFrog free?

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

### Do Spanish 21 Strategy or ByteFrog have ads?

Neither Spanish 21 Strategy nor ByteFrog shows ads.

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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.*