Comparison

Running Flexibility & Strength vs Train Smart Run Strong

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

Head to head
About

Running Flexibility & Strength

Enhance your long-distance running performance with targeted strength and flexibility training. This app offers customized weekly workouts and HD instructional videos to build muscle stamina and power, helping you reduce race times. Enjoy audio guidance and motivating trainers for a comprehensive conditioning experience.

Highlights
  • Strength and conditioning for runners
  • Customized weekly workouts
  • HD instructional videos
  • Audio guidance from trainers
  • Offline workout access
  • Fitivity COACHING experience
Features
Read full description

This app focuses on the strength and conditioning component of long distance running. Do this app in conjunction with your current running workouts to optimize your conditioning and help you cut down your race time significantly! Your Fitivity app has multiple training programs in it! Switch between programs that were designed specifically for you! A lot of runners underestimate the value of "non-running" exercise. However, elite runners know that to maximize their running potential and cut down their race time they need to improve their flexibility, balance and strength training. This program isolates certain muscles groups to help you develop greater muscle stamina and power so that your body RARELY gets tired during long distance runs. In addition to your weekly workouts, try out Fitivity COACHING! Coaching is a highly engaging exercise experience that combines mixes by DJ's and super motivating trainers to push you through workouts. • Audio guidance from your personal digital trainer • Customized workouts designed for you each week. • For each workout you are provided with HD instructional videos to preview & learn training techniques. • Stream workouts online or do workouts offline. Subscription Details For your convenience, subscription charges will be processed through your iTunes account, ensuring a seamless and secure payment experience. You can manage your subscription at any time, giving you full control over your membership. Should you decide to cancel, simply do so at least 24 hours before the end of your current subscription period to avoid auto-renewal. • Payment is charged to your iTunes account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. You can turn off the auto-renew subscription from your device settings. • Account will be charged for renewal within 24 hours before the end of the current period. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. To manage your subscription or turn off auto-renewal on your iPhone: 1. Open the Settings app 2. Tap your name or Apple ID 3. Tap Subscriptions 4. Tap the subscription you want to manage 5. Use the options to manage your subscription Privacy Policy and Terms of Use: https://www.loyal.app/privacy-policy

About

Train Smart Run Strong

This app offers strength training classes specifically designed for runners. Led by experts, the sessions provide educational insights into exercise benefits for runners and can be done at home with minimal equipment. Classes range from short mobility routines to advanced strength workouts.

Highlights
  • Strength training for runners
  • Expert-led classes
  • Home workouts with minimal equipment
  • Educational exercise benefits
  • Variety of class lengths
  • Mobility, warm-up, and cool-down options
Features
Read full description

If you're a runner looking to add strength training into their schedule - this is for you. All classes are designed specifically for runners. The classes are lead by a Physical Therapist, run coach and strength coach, so each one is jam-packed with education and information into WHY each exercise is beneficial for YOU as a runner. Every single class can be done from home with minimal equipment and vary from 10 min mobility, warm-up and cool-down classes to 60 min advanced-level strength.

Screenshots

Running Flexibility & Strength4 screens
Train Smart Run Strong4 screens

Verdict

The call

The clearest difference is in-app purchases: Train Smart Run Strong at none against Running Flexibility & Strength's 11. Train Smart Run Strong also leads on ads (none vs shown). Running Flexibility & Strength's advantage is update cadence (monthly vs every 3 months). On price, device support and iOS requirement 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. Running Flexibility & Strength sells 11 in-app purchases, starting at $0.99 per month. Train Smart Run Strong asks for nothing beyond the download.

UpkeepUpdate frequency

Running Flexibility & Strength ships an update monthly, Train Smart Run Strong every 3 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
Running Flexibility & Strength versus Train Smart Run Strong: the parameters behind the verdict, then further details
ParameterRunning Flexibility & StrengthTrain Smart Run Strong
PriceFreeFree
Rating—5.0 (4 ratings) — better
Positive reviews16.7% of reviews—
Number of ratings—4 — better
Update frequencyMonthly — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size110 MB121 MB
Age rating4+12+
DeveloperLoyal Health & Fitness, Inc.Sutra Fitness, Inc.

Customer experience

Running Flexibility & Strength

Written reviews6 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

Train Smart Run Strong

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

11 purchases

Running Flexibility & Strength

Subscriptions5
  • Monthly Subscription3 Days trial$0.991 Month
  • Fitivity Premium7 Days trial$1.991 Month
  • No ads for one month$1.991 Month
Show 2 more
  • Yearly Subscription$5.991 Year
  • Yearly Subscription7 Days trial$9.491 Year
One-time6
  • Entire Program - 5k Strength$4.99
  • Entire Program - Half Marathon$4.99
  • Entire Program - Marathon Strength$4.99
Show 3 more
  • Entire Program - Runner Flexibility$4.99
  • Purchase levels of all programs$9.99
  • Lifetime Premium Subscription$299.99
None

Train Smart Run Strong

No in-app purchases

Questions

Is Running Flexibility & Strength free?
Running Flexibility & Strength is free to download, with in-app purchases available.
Is Train Smart Run Strong free?
Train Smart Run Strong is free to download, with no in-app purchases.
Do Running Flexibility & Strength or Train Smart Run Strong have ads?
Running Flexibility & Strength shows ads; Train Smart Run Strong does not.
Which is updated more often, Running Flexibility & Strength or Train Smart Run Strong?
Running Flexibility & Strength ships an update monthly, and Train Smart Run Strong every 3 months. Most recently, Running Flexibility & Strength was updated on October 24, 2026 and Train Smart Run Strong on October 12, 2026.

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