Comparison

PM8DAm vs Gamebook

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

Head to head
About

PM8DAm

Features
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The PM8DAm will let you: - Connect to the PowerMeter8 via bluetooth - Show in detail all the information about your PowerMeter8 - Perform the PowerMeter8 firmware upgrade and calibration - Record the torque data end easily export it in .csv format This app integrates Health app to store time, distance and heart rate data.

About

Gamebook

Log every baseball game attended with automatic data retrieval for scores, players, and ballparks. Save photos, notes, and track lifetime stats and special moments like home runs and no-hitters. Relive your favorite baseball memories with a beautifully designed, fan-focused experience.

Highlights
  • Automatic game data retrieval
  • Lifetime fan stats tracking
  • Home run and special moment logging
  • Player statistics aggregation
  • Series attendance grouping
  • Photo and note saving
  • Dark mode support
Features
Read full description

Track every baseball game you attend. Gamebook finds the final score, box score, players, and ballpark for you—no manual scorekeeping. Save photos, seats, notes, and your lifetime ballpark passport. LOG EVERY GAME Add games to your personal book with a simple search. Gamebook automatically pulls in all the details—final scores, lineups, box scores, and more. No manual data entry required. Just find the game, add it, and your memory is preserved forever. TRACK YOUR LIFETIME STATS Watch your fan resume grow with every game: • Total games attended • Teams watched (track your progress toward all 30!) • Stadiums visited • Total time spent at the ballpark • Walk-off wins witnessed • Complete series attended RELIVE THE HOME RUNS Every home run you've witnessed is captured with rich detail. See the batter, the pitcher, and when available, Statcast data including: • Distance traveled • Exit velocity • Launch angle • Pitch type and speed Tap any home run to dive deeper into the matchup and relive the moment. EXPLORE PLAYER STATS Curious how your favorite player has performed in games you've attended? Gamebook aggregates batting and pitching statistics across all your logged games, giving you a personal view of player performance from the stands. CELEBRATE SPECIAL MOMENTS Games are automatically tagged with special badges when something memorable happens: • Walk-off victories • Grand slams • Extra innings thrillers • No-hitters and perfect games These moments stand out in your book, making it easy to find your most unforgettable experiences. SERIES AT A GLANCE When you attend multiple games of a series, Gamebook intelligently groups them together. See your complete series experiences in one unified view, perfect for tracking those playoff runs or weekend road trips. YOUR PHOTOS, YOUR MEMORIES Gamebook surfaces photos from your library taken at each game, bringing your memories to life with the images you captured in the moment. BEAUTIFUL DESIGN Crafted with love for America's pastime, Gamebook features a clean, baseball-inspired design that makes browsing your game history a joy. Dark mode support ensures comfortable viewing during those night games. BUILT FOR REAL FANS Whether you're a season ticket holder logging 81 home games, a road warrior visiting every ballpark, or a casual fan catching a few games each summer, Gamebook scales to fit your fandom. There's no wrong way to be a baseball fan, and Gamebook celebrates however you enjoy the game. Start building your baseball legacy today. Every game tells a story—Gamebook helps you remember them all.

Screenshots

PM8DAm4 screens
Gamebook4 screens

Verdict

The call

The clearest difference is update cadence: Gamebook at monthly against PM8DAm's every 2 months. PM8DAm's advantage is device support (4 vs 2) and iOS requirement (13.2 vs 18.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PM8DAm ships an update every 2 months, Gamebook monthly. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
PM8DAm versus Gamebook: the parameters behind the verdict, then further details
ParameterPM8DAmGamebook
PriceFreeFree
Rating—5.0 (8 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—8 — better
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.2 — better18.0
Further details — not scored
Size20 MB51 MB
Age rating4+4+
DeveloperUlrich SchobererJosiah MacDonald

In-app purchases

None

PM8DAm

No in-app purchases

None

Gamebook

No in-app purchases

Questions

Is PM8DAm free?
PM8DAm is free to download, with no in-app purchases.
Is Gamebook free?
Gamebook is free to download, with no in-app purchases.
Do PM8DAm or Gamebook have ads?
Neither PM8DAm nor Gamebook shows ads.
Which is updated more often, PM8DAm or Gamebook?
PM8DAm ships an update every 2 months, and Gamebook monthly. Most recently, PM8DAm was updated on October 26, 2026 and Gamebook on October 31, 2026.

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