Comparison

Half Marathon 13.1 Trainer vs Run Roulette Marathon Training

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

Head to head
About

Half Marathon 13.1 Trainer

This app guides beginners through a 14-week program to train for a half marathon using a run-walk method. It offers audio coaching, progress tracking, and community support to help users complete their first 13.1-mile race.

Highlights
  • 14-week run-walk training program
  • Audio coach and alerts
  • Run mapping
  • Health app integration
  • Community forums
  • Music integration
Features
Read full description

■ The Official Half Marathon Trainer App ■ Official partners and the ONLY C25K (Couch to 5K) app featured on FITBIT and SAMSUNG smart watches! ■ Featured on The New York Times, Los Angeles Times, The Washington Post, The Guardian, The Huffington Post, Men's Fitness, Forbes, Mashable, Glamour Magazine, Popsugar Fitness, CBS News, NBC News, Macworld, Cosmopolitan, Lifehacker, WebMD, and many more! From the same makers of the #1 C25K® Trainer app, Half Marathon Trainer follows the same successful recipe to create an easy simple 13.1 (21k) program. Ideal for first-time beginners and those who are new to running a half marathon. The program uses a blend of running and power walking in training and racing. You’ll soon be able to run-walk the entire half marathon. ≈ Free Trial ≈ ◉ Train the first week for free! ◉ Train to complete a full 13.1 (21k) half marathon using a RUN/WALK ratio ≈ Real-Life Inspirational Transformations ≈ ◎ Over 175,000 Likes and 1500 Success Photos at facebook.com/c25kfree ◎ Our community inspires one another (and inspires us!) everyday. Hear some of their amazing stories. This proven 14 week plan is designed for beginners. The run/walk breaks help make the full marathon less grueling and reduces the overall impact and risk of injury. Don’t think that just because walking is involved that your time will be slower or that you'll be accomplishing less. Many veteran runners have posted personal best times after switching to this run walk method! Using a ratio of running and walking will better manage your fatigue and give you the muscle resource and mental confidence to handle the later parts of the race. Turn on our award winning music and just press start! Our audio coach will guide you through your run! It's that easy! ≈ Less is More ≈ ◎ Easy to learn. Just press start! ◎ Ideal for beginners. ◎ 14 weeks total. ≈ Features ≈ ◉ Proven 14 week half marathon training run-walk program (1st week free) ◉ Convenient audio coach and alerts ◉ Map your run at the end of your workout! ◉ Light and dark modes ◉ Health app integration ◉ Free iPad integration for indoor treadmills ◉ Integrated with Facebook, Twitter, and Instagram ◉ Access to our forums with thousands of veterans and newcomers starting the app. Join the community and meet other runners! ≈ NEW Zen Unlimited Pass - Try it for free! ≈ ◉ Award winning music curated from top DJ's! ◉ Scientifically proven to increase motivation by 35% ◉ Unlimited access to all pro features across ALL Zen Labs Fitness running apps ◉ Unlock calories, distance, Apple watch integration, and more ◉ Full access to C25K, 10K, 13.1, and 26.2 programs ◉ 4 apps for the price of 1! One subscription, multiple apps! Questions/comments? Email us at contactus@zenlabsfitness.com or visit us at www.zenlabsfitness.com. ≈ Connect ≈ Facebook: @C25Kfree Twitter: @C25Kfree Instagram: @officialc25k Hashtag: #C25K Zen Labs is a proud supporter of the National Breast Cancer Coalition. breastcancerdeadline2020.org Subscription pricing and terms: The subscription will automatically renew unless turned off in your iTunes Account Settings at least 24 hours before current period ends. You can go to your iTunes Account settings to manage your subscription and turn off auto-renew. Your iTunes Account will be charged when the purchase is confirmed. If you subscribe before your free trial ends, the rest of your free trial period will be forfeited as soon as your purchase is confirmed. Privacy Policy & Terms of Use: https://www.zenlabsfitness.com/privacy-policy/ Apple Standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Legal Disclaimer This app and any information given by it or by Zen Labs LLC are for educational purposes only. You should always consult your healthcare provider before beginning any fitness program. C25K® is a registered trademark of Zen Labs LLC

About

Run Roulette Marathon Training

Discover personalized running workouts tailored to your race goals and current fitness level. Get adaptive training advice from a smart coach and log your progress to stay motivated. Offers over 500 unique workouts with tips and quotes from professionals.

Highlights
  • Personalized run generation
  • Adaptive smart coach
  • Race-specific training plans
  • Workout logging and progress tracking
  • Running streak monitoring
  • Garmin device integration
  • Strava sync
Features
Read full description

Find your next run with Run Roulette! Spin to find a run that’s tailor-made for the race you are training for and your current ability, or discover a random workout to keep your running fresh and exciting. Run Roulette has over 500 unique workouts with training tips and quotes from professional runners and coaches to keep you motivated in your running and looking forward to each new run day. With a simple click each workout can be adjusted to be easier or harder in order to curate runs to accommodate every runners’ ability and desired effort. If you aren’t 100% excited about the run you spin for, no worries, you can save it for tomorrow or spin to find a completely new run. Once you do find your run, you can easily send it to your Garmin device for running and pacing instructions in real time. MEET SMART COACH Smart Coach is Run Roulette’s innovative training coach designed to help you get the most out of your training. Like any other coach, Smart Coach helps optimize your training to reach your goals with weekly-mileage suggestions, planning a healthy and gradual long run progression and reviewing your recent training to recommend beneficial next runs. What sets Run Roulette apart from many other fitness and training apps is that while Smart Coach provides adaptive suggestions for your training based on current running metrics, the choice of what to run each day is up to YOU! You are no longer stuck with a static training plan that doesn’t take into account your busy schedule or how you’re feeling on a specific day. Smart Coach is there to help you as you need but you can also take control of how you want to train. TRAINING PLANS Do you have a race on the horizon? Run Roulette can help plan your weekly mileage buildup and specifically suggest runs and workouts to complement training for race distances from the 3K to Marathon. ‘Smart Coach’ will also give race-specific training advice along the way. Running isn’t only about race training. Choose one of the non-race running plans for: beginning runners, runners returning from injury, injury prevention, increasing fitness or speed training. LOG YOUR RUNS After completing a run, proudly record your hard work. Use Run Roulette as a running log to track your completed runs, note how you’re feeling each day and monitor your progress throughout your training plan. Strava users can easily upload a synced workout straight to Run Roulette. RUNNING STREAKS Track your running streak with Run Roulette and easily share your accomplishments to social media and Strava. Taking a day to recover and rest is an important component of any training plan, don’t compromise your training and become injured to keep your streak alive. Run Roulette has short-run options (runs lasting 30 minutes or less) or you can save your streak with Run Roulette’s ‘Day Off’ feature. RUN REMINDER NOTIFICATIONS Find accountability and consistency in your training with Run Roulette’s running reminders. Choose the days for Run Roulette to send you a reminder to find your next run and stay on track with your running plan. All notifications are easily adjustable for day of the week and time of day and can be turned off at any time.

Screenshots

Half Marathon 13.1 Trainer4 screens
Run Roulette Marathon Training4 screens

Verdict

The call

The clearest difference is ads: Run Roulette Marathon Training at none against Half Marathon 13.1 Trainer's shown. Run Roulette Marathon Training also leads on update cadence (every 4 days vs every 6 weeks) and rating (5.0 vs 4.7). Half Marathon 13.1 Trainer's advantage is ratings volume (5.6K vs 3). On price, in-app purchases, monetization model 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. Half Marathon 13.1 Trainer sells 5 in-app purchases, starting at $4.99 per month and Run Roulette Marathon Training sells 7 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Run Roulette Marathon Training holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Half Marathon 13.1 Trainer has 5.6K ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Half Marathon 13.1 Trainer ships an update every 6 weeks, Run Roulette Marathon Training every 4 days. Both last shipped on November 3, 2026.

Scorecard5 real differences · 5 level
Half Marathon 13.1 Trainer versus Run Roulette Marathon Training: the parameters behind the verdict, then further details
ParameterHalf Marathon 13.1 TrainerRun Roulette Marathon Training
PriceFreeFree
Rating4.7 (5.6K ratings)5.0 (3 ratings) — better
Positive reviews55.7% of reviews—
Number of ratings5.6K — better3
Update frequencyEvery 6 weeksEvery 4 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS14.011.0 — better
Further details — not scored
Size319 MB232 MB
Age rating4+4+
DeveloperZen LabsRunning Apps & Fitness Plans LLC

Customer experience

Half Marathon 13.1 Trainer

All ratings5,572 ratings
Positive93.5%
Neutral2.4%
Negative4.1%
Written reviews185 reviews
Positive55.7%
Neutral7.6%
Negative36.8%

Run Roulette Marathon Training

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Half Marathon 13.1 Trainer

Reported bugs

3 issues
  • App crashes or freezes during workouts
  • Inconsistent distance and time tracking
  • Syncing issues with Apple Watch

Requested features

4 requests
  • Option to view GPS route history
  • Ability to customize training days and schedule
  • Integration with more fitness tracking devices
  • Detailed performance metrics and analytics

Run Roulette Marathon Training

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Half Marathon 13.1 Trainer

Subscriptions4
  • Zen Unlimited Pass Monthly1 Month trial$4.991 Month
  • Unlock Your Potential7 Days trial$29.993 Months
  • Unlock Your Potential1 Month trial$29.993 Months
Show 1 more
  • Zen Unlimited Pass Annual7 Days trial$74.991 Year
One-time1
  • Unlock Workout List$0.99
7 purchases

Run Roulette Marathon Training

Subscriptions3
  • Month Subscription$4.991 Month
  • 25% Off 6 Month Subscription3 Days trial$29.996 Months
  • 50% Off Annual Subscription7 Days trial$39.991 Year
One-time4
  • 2 Premium Spins$1.99
  • 5 Premium Spins$2.99
  • 10 Premium Spins$4.99
Show 1 more
  • 20 Premium Spins$7.99

Questions

Is Half Marathon 13.1 Trainer free?
Half Marathon 13.1 Trainer is free to download, with in-app purchases available.
Is Run Roulette Marathon Training free?
Run Roulette Marathon Training is free to download, with in-app purchases available.
Which has better reviews, Half Marathon 13.1 Trainer or Run Roulette Marathon Training?
Run Roulette Marathon Training is rated higher. Half Marathon 13.1 Trainer averages 4.7 out of 5 from 5.6K ratings, while Run Roulette Marathon Training averages 5.0 from 3 ratings.
Do Half Marathon 13.1 Trainer or Run Roulette Marathon Training have ads?
Half Marathon 13.1 Trainer shows ads; Run Roulette Marathon Training does not.
Which is updated more often, Half Marathon 13.1 Trainer or Run Roulette Marathon Training?
Half Marathon 13.1 Trainer ships an update every 6 weeks, and Run Roulette Marathon Training every 4 days. Most recently, Half Marathon 13.1 Trainer was updated on November 3, 2026 and Run Roulette Marathon Training on November 3, 2026.

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