Comparison

BOOKEMASTER vs Diamond Data Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BOOKEMASTER

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
Read full description

Let's face it - fantasy sports suck! And losing money at the sportsbook is even worse! With BOOKEMASTER you compete against your league by picking games against the spread, not meaningless player stats. Stop wasting your time and your hard earned cash and start picking winners!

About

Diamond Data Pro

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
Read full description

Stop guessing your batting order. Start scoring more runs. Diamond Data PRO helps baseball and softball coaches identify the batting lineup most likely to produce the highest number of runs using real player statistics. Instead of relying on intuition or traditional lineup rules, Diamond Data PRO analyzes millions of possible lineup combinations to find the batting order that maximizes run production for your team. Whether you coach youth baseball, travel teams, fastpitch softball, or high school programs, Diamond Data PRO gives you a powerful analytics tool to make smarter lineup decisions. Optimize Your Lineup Instantly evaluate every possible batting order and identify the lineup most likely to produce the highest runs per game based on your team’s hitting statistics. Analyze Lineup Performance Compare different lineup configurations and see how small changes can impact expected run production. Use Real Team Statistics Import or enter your team’s hitting statistics to generate lineup recommendations based on real performance data. Manual Lineup Analysis Want to test your own lineup idea? Enter a custom batting order and compare it directly to the optimal lineup. Built for Coaches Designed for baseball and softball coaches who want to use data to gain a competitive advantage. Key Features • Evaluate millions of possible batting orders • Identify the lineup with the highest projected runs per game • Analyze manual lineup configurations • Import and manage team statistics • Clean, simple interface designed for coaches Free Demo Mode The app includes a fully functional demo team so you can explore lineup optimization immediately. Upgrade to PRO to unlock: • Creating and saving your own teams • Importing real team statistics • Full lineup optimization with your roster Make lineup decisions with confidence. Use data to score more runs with Diamond Data PRO. Subscriptions: • Monthly: $3.99 • Annual: $34.99 Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Payment will be charged to your Apple ID account at confirmation of purchase. Terms of Use: https://www.diamonddatapro.com/terms-of-use Privacy Policy: https://diamonddatapro.com/privacy

Screenshots

BOOKEMASTER1 screens
Diamond Data Pro4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
BOOKEMASTER versus Diamond Data Pro: the parameters behind the verdict, then further details
ParameterBOOKEMASTERDiamond Data Pro
PriceFreeFree
Rating5.0 (1 ratings)5.0 (7 ratings)
Positive reviews—100.0% of reviews
Number of ratings17 — better
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size291 MB54 MB
Age rating12+4+
DeveloperLiveCounsel, LLCMichael Park

Customer experience

BOOKEMASTER

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Diamond Data Pro

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

BOOKEMASTER

No in-app purchases

4 purchases

Diamond Data Pro

Subscriptions4
  • Diamond Data Pro Monthly$4.991 Month
  • DDP + HHT Bundle Monthly$5.991 Month
  • Diamond Data Pro Annual1 Year trial$49.991 Year
Show 1 more
  • DDP + HHT Bundle Annual$59.991 Year

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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