Comparison

Half Marathon 13.1 Trainer vs Great Abs Workout

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

Great Abs Workout

Achieve your dream abs in 8 weeks with this guided workout program. Designed for beginners, it offers audio coaching, motivation, and progress tracking. Just 10 minutes, 3 times a week, is all you need to build a toned stomach.

Highlights
  • 8-week progressive training plan
  • Personal audio coach guidance
  • Motivation with wins and badges
  • Integration with Apple Health
  • Stretching and warmup videos
  • Music compatibility
Read full description

Want the perfect abs? This app will take you there! It will train you from beginner to great abs in 8 weeks! ● Get ready to live your dream ! Great Abs is made by experts, the same people that built the awesome Pushups, Situps, 5K Runner and 10K Runner apps. ----- ABOUT THE APP ----- This app will get you in shape by gradually training you from zero exercising to a toned stomach in 8 weeks. You only need this app to guide & motivate you, and 10 minutes, 3 times a week, for 8 weeks. When you are done, you will be much stronger and have much better looking abs. When you start a workout, you turn on your favorite music, and then the app's audio coach tells you exactly what exercise to do, when to rest, and when to resume. The app also keeps you motivated, which is the key to success and the true magic of the app. The plan is achievable and enjoyable even by people that never liked to exercise, and you will earn wins and badges as you go along. With this app, you will have better abs. COACHING ● from zero to toned abs in 8 weeks ● guided by your personal audio coach ● starts easy and slowly increases the exercises ● straight & simple MUSIC ● listen to your music while exercising ● audio coach gently blends in when needed ● compatible with ALL music apps MOTIVATION ● earn wins and badges ● share your wins on Facebook, Twitter, mail ● meet other trainees on our Facebook community ● motivational quotes for your mind & body SUCCESS ● only 10 mins a day, 3 days a week, 8 weeks ● designed to make any beginner succeed ● extensive guidance for beginners ● answers to common questions AND THERE'S MORE ● stretching & warmup videos ● detailed information & guidance ● integrated with Apple Health ● Privacy Policy & Terms Of Use: https://www.fitness22.com/privacy-policy https://s3.amazonaws.com/fitness22content.com/Components/WebPages/TermsOfUse/TermsOfUse.html ----- CONTACT US ----- ● Dear customers, we are here for you! support@fitness22.com

Screenshots

Half Marathon 13.1 Trainer4 screens
Great Abs Workout4 screens

Verdict

The call

The clearest difference is price: Half Marathon 13.1 Trainer at Free against Great Abs Workout's $2.99. Half Marathon 13.1 Trainer also leads on update cadence (every 6 weeks vs every 9 months) and ratings volume (5.6K vs 832). Great Abs Workout's advantage is ads (none vs shown) and review sentiment (89% vs 56%). On rating, in-app purchases and monetization model 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

Half Marathon 13.1 Trainer is free to download; Great Abs Workout costs $2.99 up front. Half Marathon 13.1 Trainer sells 5 in-app purchases, starting at $4.99 per month and Great Abs Workout sells 2 in-app purchases, starting at $2.99 per 3 months. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Great Abs Workout holds the better App Store score, 4.9 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 832, so its average is the more settled of the two. Written reviews point the same way: 56% of Half Marathon 13.1 Trainer's written reviews are positive against 89% of Great Abs Workout's.

UpkeepUpdate frequency

Half Marathon 13.1 Trainer ships an update every 6 weeks, Great Abs Workout every 9 months. Both last shipped on October 29, 2026.

Scorecard7 real differences · 3 level
Half Marathon 13.1 Trainer versus Great Abs Workout: the parameters behind the verdict, then further details
ParameterHalf Marathon 13.1 TrainerGreat Abs Workout
PriceFree — better$2.99
Rating4.7 (5.6K ratings)4.9 (832 ratings) — better
Positive reviews55.7% of reviews89.0% of reviews — better
Number of ratings5.6K — better832
Update frequencyEvery 6 weeks — betterEvery 9 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS14.010.0 — better
Further details — not scored
Size319 MB108 MB
Age rating4+4+
DeveloperZen LabsFITNESS22 LTD

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%

Great Abs Workout

All ratings830 ratings
Positive98.2%
Neutral1.2%
Negative0.6%
Written reviews73 reviews
Positive89.0%
Neutral4.1%
Negative6.8%

User reviews

Half Marathon 13.1 Trainer

From 5.6K App Store ratings

What we love

  • 👍 Easy to use
  • 👍 Helpful for beginners
  • 👍 Great for training and motivation
  • 👍 Integrates well with Apple Watch and Fitness
  • 👍 Customizable music playback

Room to improve

  • 🐛 Occasional syncing and tracking issues
  • 🔋 Drains battery life
  • 💰 Subscription model change frustrates some users
  • 💰 Paid app now requires subscription for full access

Great Abs Workout

From 832 App Store ratings

What we love

  • 👍 Great strengthening workouts
  • 👍 Excellent for building strength
  • 👍 Easy to use and follow
  • 👍 Helpful for beginners and those getting back into fitness
  • 👍 Good integration with other fitness apps

Room to improve

  • 🕰️ Long rest periods between exercises
  • 🔍 Inconspicuous exercise instructions
  • 🔁 Restarting workouts when app is closed
  • 💪 Workouts too easy, lacking difficulty progression

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

Great Abs Workout

Reported bugs

2 issues
  • App restarting workouts when user leaves
  • Inconsistent pricing/free vs paid content

Requested features

4 requests
  • Add stretch tutorials or guidance
  • Provide more advanced or varied workout options
  • Include exercise demonstration videos
  • Add workout reminders or notifications

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
2 purchases

Great Abs Workout

Subscriptions1
  • Premium Subscription$2.993 Months
One-time1
  • Lifetime Premium$3.99

Questions

Is Half Marathon 13.1 Trainer free?
Half Marathon 13.1 Trainer is free to download, with in-app purchases available.
Is Great Abs Workout free?
Great Abs Workout costs $2.99, and also offers in-app purchases.
Which has better reviews, Half Marathon 13.1 Trainer or Great Abs Workout?
Great Abs Workout is rated higher. Half Marathon 13.1 Trainer averages 4.7 out of 5 from 5.6K ratings, while Great Abs Workout averages 4.9 from 832 ratings.
Do Half Marathon 13.1 Trainer or Great Abs Workout have ads?
Half Marathon 13.1 Trainer shows ads; Great Abs Workout does not.
Which is updated more often, Half Marathon 13.1 Trainer or Great Abs Workout?
Half Marathon 13.1 Trainer ships an update every 6 weeks, and Great Abs Workout every 9 months. Most recently, Half Marathon 13.1 Trainer was updated on October 29, 2026 and Great Abs Workout on October 29, 2026.

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