# MSD E vs Blackjack

The clearest difference is in-app purchases: MSD E at none against Blackjack's 1. MSD E also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Blackjack sells 1 one-off in-app purchase. MSD E asks for nothing beyond the download.

MSD E ships an update every 5 weeks, Blackjack monthly. The most recent releases landed on September 18, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | MSD E | Blackjack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/blackjack-learn-strategy/id6749189661/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 45 MB | 60 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Deverhood HT Co.,Ltd.](https://appshunter.io/developer/1785579550) | [Andrew L'Italien](https://appshunter.io/developer/1793030180) |

## What reviewers say

### MSD E

[App page](https://appshunter.io/ios/app/msd-e-logbook/id6502573447)

**Features:** macOS Compatibility

**In-app purchases:** none


### Blackjack

[App page](https://appshunter.io/ios/app/blackjack-learn-strategy/id6749189661)

Master blackjack strategy with realistic hands and instant feedback. Practice optimal decisions, view strategy charts, and track your progress. Customize rules and themes for a personalized learning experience.

**Highlights:** Hands-on practice with realistic hands, Instant feedback on decisions, Detailed strategy charts, Customizable rule settings, Performance statistics tracking, Customizable themes including dark mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


## Frequently asked questions

### Is MSD E free?

MSD E is free to download, with no in-app purchases.

### Is Blackjack free?

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

### Do MSD E or Blackjack have ads?

Blackjack shows ads; MSD E does not.

### Which is updated more often, MSD E or Blackjack?

MSD E ships an update every 5 weeks, and Blackjack monthly. Most recently, MSD E was updated on September 18, 2026 and Blackjack on August 15, 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.*