# Basic Strategy vs DiveKeep

The clearest difference is ads: Basic Strategy at none against DiveKeep's shown. Basic Strategy also leads on update cadence (every 5 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Basic Strategy sells 1 one-off in-app purchase and DiveKeep sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Basic Strategy ships an update every 5 weeks, DiveKeep every 3 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Basic Strategy | DiveKeep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/basic-strategy-blackjack/id6744754663/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Felix Parey](https://appshunter.io/developer/1732259488) | [Ryo Tsudukihashi](https://appshunter.io/developer/1320583602) |

## 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 |


### DiveKeep

[App page](https://appshunter.io/ios/app/divekeep-scuba-gear-care/id6784748590)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Weekly) | $0.99 | per 7 days |
| Premium (Lifetime) | $19.99 | one-time |


## Frequently asked questions

### Is Basic Strategy free?

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

### Is DiveKeep free?

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

### Do Basic Strategy or DiveKeep have ads?

DiveKeep shows ads; Basic Strategy does not.

### Which is updated more often, Basic Strategy or DiveKeep?

Basic Strategy ships an update every 5 weeks, and DiveKeep every 3 months. Most recently, Basic Strategy was updated on October 24, 2026 and DiveKeep on October 30, 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.*