Comparison

btwb vs D

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

Head to head
About

btwb

Log your workouts, discover new ones, and connect with your fitness community. Track progress, analyze performance, and manage nutrition with a comprehensive fitness tracking tool.

Highlights
  • Daily workout programming
  • Discover millions of WODs
  • Track workout results
  • Macro and nutrition tracking
  • Community and social features
  • Performance analysis and badges
  • Gym virtual programming
Features
Read full description

btwb, the world's premier workout tracker, brings fitness communities together, in person & remotely. We are the world's largest workout Log with 100+ million results and counting. WORKOUTS - Get daily programming at your fingertips with btwb's Varied Not Random workouts. 4 versions available daily: Performance, Fitness, Dumbbell Only, and No Equipment. - Post results for every workout and/or create your own. - Discover the perfect workout among 12+ Million Unique WODs. - Perfectly capture and share your workout experience with attached images and location tagging. - See how you stack up against the world with World-Wide Leaderboards. GYMS - Keep your community connected by taking your gym virtual. Deliver custom programming to groups and individuals, include personalized movement demos and WOD briefs, view member activity and results via gym feeds and leaderboards, and encourage members with emojis & comments through private Squads. MACROS - Track your Macros. Get the best features of other macro tracking apps combined with our best-in-class workout tracking. With over 700k grocery items, 160k restaurant items, and 13k common foods, find exactly the food you’re looking for by searching our library or by scanning the barcode of your favorite packaged item! You can even create your own custom entries! Set your own macronutrient targets, or have coaches set them for you. - Set your own macronutrient targets, or have coaches set them for you. SOCIAL - Create private Squads and build Follow lists to keep up with your friends' results. - Use direct messaging to converse about fitness with individuals and groups. ANALYSIS - Earn badges for various workouts, gymnastics maxes, 1RM lifts, and running & rowing intervals. - Discover potential major and minor strength, mobility, and technique issues in specific categories with Imbalances. - How fit are you? (1-100) Work to unlock your Fitness Level. Track body fat, benchmarks and more!

About

D

Features
Read full description

關於這個應用程式 D-Fit是一款進行划船訓練機,在鍛鍊過程中進行運動數據收集/分析/並以圖表方式顯現歷史運動結果,讓鍛鍊者能利用此APP,查看過往的鍛鍊情況,藉此APP的數據統計,用以調整自身鍛鍊的計畫。 App的使用方式 首先使用移動裝置打開此App,並在應用內,進行與裝有匹配此App的藍芽設備划船器進行配對連線,連線後,划船器就會自動上傳鍛鍊數據提供給App,進而由App進行數據的整理/統合/運算/儲存/輸出等工作。 关于这个应用程序 D-Fit是一款用于划船训练的应用程序。在锻炼过程中进行运动数据的收集、分析,并以图表的方式显示历史运动结果,让锻炼者可以通过此APP查看以往的锻炼情况,并利用此APP的统计数据来调整自身的锻炼计划。 App的使用方式 首先使用移动设备打开此App,并在应用内与支持该App的蓝牙划船器进行配对连接。连接后,划船器会自动上传锻炼数据到App,App随后进行数据的整理、整合、运算、存储及输出等操作。 About D-Fit D-Fit is a rower training app. It collects and analyzes your workout data via Bluetooth connection. You can log your workouts, average heart rate, distance and calories to keep track of your overall progress. How to use: - Turn on the app and enable Bluetooth to connect with the rower - When it's connected, it will upload workout data to the app when workout is finished - You can check your workout summary in the app

Screenshots

btwb4 screens
D4 screens

Verdict

The call

The clearest difference is update cadence: btwb at weekly against D's every 34 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

btwb ships an update weekly, D every 34 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
btwb versus D: the parameters behind the verdict, then further details
ParameterbtwbD
PriceFreeFree
Rating4.6 (1.5K ratings) — better—
Positive reviews53.2% of reviews—
Number of ratings1.5K — better—
Update frequencyWeekly — betterEvery 34 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS15.615.6
Further details — not scored
Size265 MB11 MB
Age rating4+17+
DeveloperBTWB, LLCSr Technology Co., Ltd.

Bugs and requests

btwb

Reported bugs

5 issues
  • Subscription cancellation and billing problems
  • Frequent crashes and white screens
  • Inability to log certain workout types
  • Barcode scanner and movement tracking issues
  • Problems with data syncing and history display

Requested features

5 requests
  • Add dark mode or black background option
  • Integrate with Apple Health and other fitness apps
  • Improve custom workout creation and logging
  • Provide better social/community features
  • Fix issues with loading and saving workout data

D

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

btwb

No in-app purchases

None

D

No in-app purchases

Questions

Is btwb free?
btwb is free to download, with no in-app purchases.
Is D free?
D is free to download, with no in-app purchases.
Do btwb or D have ads?
Neither btwb nor D shows ads.
Which is updated more often, btwb or D?
btwb ships an update weekly, and D every 34 months. Most recently, btwb was updated on October 24, 2026 and D on October 25, 2026.

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