# BOOKEMASTER vs Diamond Data Pro

The clearest difference is in-app purchases: BOOKEMASTER at none against Diamond Data Pro's 4. BOOKEMASTER also leads on update cadence (monthly vs every 3 months) and iOS requirement (13.0 vs 15.1). Diamond Data Pro's advantage is ratings volume (7 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Diamond Data Pro sells 4 in-app purchases, starting at $4.99 per month. BOOKEMASTER asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for BOOKEMASTER against 5.0 for Diamond Data Pro. That said, the two scores are not equally well evidenced: Diamond Data Pro has 7 ratings behind it against 1, so its average is the more settled of the two.

BOOKEMASTER ships an update monthly, Diamond Data Pro every 3 months. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | BOOKEMASTER | Diamond Data Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/bookemaster/id1635396380/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/diamond-data-pro/id6747300062/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | **Free** | Freemium |
| Size | 291 MB | 54 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [LiveCounsel, LLC](https://appshunter.io/developer/1635396382) | [Michael Park](https://appshunter.io/developer/1820681436) |

## What reviewers say

### BOOKEMASTER

[App page](https://appshunter.io/ios/app/bookemaster/id1635396380)

Compete in fantasy sports leagues by picking real-world games against the spread. Focus on strategic picks rather than player statistics to win. Stop losing money and start picking winners.

**Highlights:** Compete against league members, Pick games against the spread, Focus on game outcomes, Avoid player statistics, Strategic game picking

**Features:** macOS Compatibility

**In-app purchases:** none


### Diamond Data Pro

[App page](https://appshunter.io/ios/app/diamond-data-pro/id6747300062)

This app helps baseball and softball coaches optimize batting lineups using real player statistics. It analyzes millions of combinations to identify the order most likely to maximize run production, offering a data-driven approach to game strategy.

**Highlights:** Evaluate millions of batting orders, Identify highest projected runs per game, Analyze manual lineup configurations, Import and manage team statistics, Clean, simple interface for coaches, Free demo mode available

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamond Data Pro Monthly | $4.99 | per month |
| DDP + HHT Bundle Monthly | $5.99 | per month |
| Diamond Data Pro Annual | $49.99 | per year |
| DDP + HHT Bundle Annual | $59.99 | per year |


## Frequently asked questions

### Is BOOKEMASTER free?

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

### Is Diamond Data Pro free?

Diamond Data Pro is free to download, with in-app purchases available.

### Which has better reviews, BOOKEMASTER or Diamond Data Pro?

BOOKEMASTER and Diamond Data Pro are both rated 5.0 out of 5 on the App Store, from 1 and 7 ratings respectively.

### Do BOOKEMASTER or Diamond Data Pro have ads?

Neither BOOKEMASTER nor Diamond Data Pro shows ads.

### Which is updated more often, BOOKEMASTER or Diamond Data Pro?

BOOKEMASTER ships an update monthly, and Diamond Data Pro every 3 months. Most recently, BOOKEMASTER was updated on October 2, 2026 and Diamond Data Pro on October 11, 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.*