Comparison

IntervalEdge vs Gravity Defying Fitness

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

Head to head
About

IntervalEdge

Features
Read full description

Looking to maximize your fitness routine? IntervalFit is the ultimate app for high-performance interval training, crafted to keep you focused, motivated, and on track. Whether you’re training for strength, endurance, or simply staying fit, IntervalFit offers a fully customizable experience that adapts to your personal workout style. Key Features: - Customizable Workouts Create interval workouts tailored to your needs. Set your ideal durations for preparation, work, and rest phases, define cycles, and track your progress through each set with ease. - Real-Time Tracking & Progress Indicators Stay in the zone with our intuitive circular progress display, built to give you an immersive sense of timing for every phase of your workout. Easily track each set and cycle as you go, keeping you engaged and motivated. - Choose Your Style Choose from a range of design themes to match your mood and style. With our stylish, minimalist layouts and color themes, your workout timer can look as good as it feels. - Audio & Vibration Cues Stay on track without constantly looking at your phone. IntervalFit offers subtle audio and vibration cues to signal phase transitions, keeping you focused on your form and movement. - Essential Features at Your Fingertips Access quick actions like skipping forward, pausing, or rewinding phases directly from the training screen. Your workout should adapt to you, not the other way around. SUBSCRIPTIONS Fitness timer Monthly Subscription $2.99 Fitness timer Yearly Subscription $19.99 Payment will be charged to your iTunes Account at confirmation of purchase. Subscriptions will automatically renew unless auto-renew is turned off at least 24 hours before the end of current period. Your account will be charged according to your plan for renewal within 24 hours prior to the end of the current period. You can manage or turn off auto-renew in your Apple ID account settings at any time after purchase. No refunds will be provided for any unused portion of the term. Any unused portion of a free trial period will be forfeited when you purchase a subscription Privacy policy & Terms of use https://gener-apps-privacy-policy.herokuapp.com/

About

Gravity Defying Fitness

Features
Read full description

The GDF Mobile App is your all-in-one training companion, designed for fitness lovers everywhere. In here you can book your coaching sessions, get on a training plan and log your progress, and even set your nutrition goals, auto calculate them and log them with the push of a button! Features include: β€’ Session Booking: Seamlessly schedule your 1-on-1 coaching or group sessions. β€’ Workout Logging: Track your sets, reps, and weights during every workout. β€’ Nutrition Tracking: Log your daily meals quickly with our AI-powered dictation tools. β€’ Body Metrics: Visualize your progress over time with detailed charts and progress photos. β€’ Direct Coach Access: Stay in sync with your trainers. Disclaimer: The GDF Mobile App is designed strictly for general fitness and wellness tracking. It does not provide medical diagnoses and is not a substitute for professional medical advice. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://gdfathletic.com/privacy

Screenshots

IntervalEdge2 screens
Gravity Defying Fitness4 screens

Verdict

The call

The clearest difference is device support: Gravity Defying Fitness at 3 against IntervalEdge's 1. Gravity Defying Fitness also leads on iOS requirement (15.0 vs 17.5). On price, update cadence, ads and in-app purchases there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. IntervalEdge sells 2 in-app purchases, starting at $2.99 per month and Gravity Defying Fitness sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

IntervalEdge ships an update every 6 days, Gravity Defying Fitness weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard2 real differences Β· 4 level
IntervalEdge versus Gravity Defying Fitness: the parameters behind the verdict, then further details
ParameterIntervalEdgeGravity Defying Fitness
PriceFreeFree
Update frequencyEvery 6 days β€” betterWeekly
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, iPod β€” better
Requires iOS17.515.0 β€” better
Further details β€” not scored
Size1 MB53 MB
Age rating4+12+
DeveloperKaren KarapetyanEsan Waterman

In-app purchases

2 purchases

IntervalEdge

Subscriptions2
  • Fitness Timer Monthly Plan$2.991 Month
  • Fitness Timer Yearly Plan$19.991 Year
3 purchases

Gravity Defying Fitness

Subscriptions2
  • Monthly Pro Athlete$6.991 Month
  • Annual Pro Athlete$69.991 Year
One-time1
  • Custom Training & Meal Plan$44.99

Questions

Is IntervalEdge free?
IntervalEdge is free to download, with in-app purchases available.
Is Gravity Defying Fitness free?
Gravity Defying Fitness is free to download, with in-app purchases available.
Do IntervalEdge or Gravity Defying Fitness have ads?
Neither IntervalEdge nor Gravity Defying Fitness shows ads.
Which is updated more often, IntervalEdge or Gravity Defying Fitness?
IntervalEdge ships an update every 6 days, and Gravity Defying Fitness weekly. Most recently, IntervalEdge was updated on October 25, 2026 and Gravity Defying Fitness on October 28, 2026.

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