Comparison

BodyGuardian™ Sync vs Muscle Study Guide

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

Head to head
About

BodyGuardian™ Sync

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The BodyGuardian™ Sync mobile app is published by Boston Scientific Cardiac Diagnostic Services, LLC. This is a tool to assist you as a decision-maker and to enhance your experience with the Boston Scientific Cardiac Diagnostic Services process. You will now have the option of receiving a push notification versus a phone call to alert you of an event report. All patient events will remain in the app for 14 days. Installing this app will not change your notification settings defined in your Service Level Agreement or Stoplight Protocol.

About

Muscle Study Guide

Features
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Master Muscle Anatomy with a Beautiful, Interactive Experience Explore the human body like never before with a complete, visually stunning muscle reference guide. Learn the names and structure of 8 layers of muscles, presented in a way that’s both intuitive and engaging. Interactive 360° views let you examine each muscle from every angle In-depth descriptions help you truly understand how muscles function Layer-by-layer exploration makes complex anatomy easier to grasp Built-in quiz mode reinforces what you’ve learned Progress tracking shows how your knowledge improves over time Whether you’re a student, fitness enthusiast, or just curious about the human body, this app makes learning muscle anatomy clear, effective, and enjoyable.

Screenshots

BodyGuardian™ Sync4 screens
Muscle Study Guide4 screens

Verdict

The call

The clearest difference is price: BodyGuardian™ Sync at Free against Muscle Study Guide's $6.99. BodyGuardian™ Sync also leads on update cadence (every 4 months vs every 38 months) and iOS requirement (12.4 vs 15.0). On 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

BodyGuardian™ Sync is free to download; Muscle Study Guide costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BodyGuardian™ Sync ships an update every 4 months, Muscle Study Guide every 38 months. The most recent releases landed on September 28, 2026 and September 26, 2026 respectively.

Scorecard3 real differences · 3 level
BodyGuardian™ Sync versus Muscle Study Guide: the parameters behind the verdict, then further details
ParameterBodyGuardian™ SyncMuscle Study Guide
PriceFree — better$6.99
Update frequencyEvery 4 months — betterEvery 38 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.4 — better15.0
Further details — not scored
Size14 MB65 MB
Age rating17+4+
DeveloperBoston ScientificRyan Bittorf

In-app purchases

None

BodyGuardian™ Sync

No in-app purchases

None

Muscle Study Guide

No in-app purchases

Questions

Is BodyGuardian™ Sync free?
BodyGuardian™ Sync is free to download, with no in-app purchases.
Is Muscle Study Guide free?
Muscle Study Guide costs $6.99, with no in-app purchases.
Do BodyGuardian™ Sync or Muscle Study Guide have ads?
Neither BodyGuardian™ Sync nor Muscle Study Guide shows ads.
Which is updated more often, BodyGuardian™ Sync or Muscle Study Guide?
BodyGuardian™ Sync ships an update every 4 months, and Muscle Study Guide every 38 months. Most recently, BodyGuardian™ Sync was updated on September 28, 2026 and Muscle Study Guide on September 26, 2026.

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