Comparison

Half Marathon vs Kudlify

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

Head to head
About

Half Marathon

Train for your first 21K run with a comprehensive 12-week program. This app offers audio coaching, interval planning, and motivational tips to build strength and endurance. Track your progress, earn badges, and share achievements with friends.

Highlights
  • 12-week running program
  • Audio coach guidance
  • Run/walk strategy
  • Integrated music player
  • Progress tracking and sharing
  • Motivational quotes
  • GPS and distance tracking
Features
Read full description

Enhance your strength, endurance, and stamina, train for your 21k run with the best half marathon training app! 21K Run Trainer will help you become the runner you’ve always wanted to be! This is the easiest, most comprehensive and most successful half marathon training plan for you to train for your first 21K. DETAILED 12 WEEK RUNNING PROGRAM Our 12 week half marathon training plan will literally take you to the finish line of your first 21k run. 21K Run Trainer is a simple and powerful 1/2 marathon training app that will guide you through the whole journey with encouragement, useful tips, step- by- step interval planning, and so much more. Complete your half marathon by using the run/walk strategy and get the advice you need! MOTIVATIONAL AUDIO COACHING This half marathon training program starts off easy and slowly increases the runs. The real fascination of this 12 week half marathon training and running app is that it keeps you motivated and encouraged all the time. Keep your inner self in tune with your body by listening to audio coach guidance, read daily motivational quotes and enjoy great half marathon training plan! INTEGRATED MUSIC PLAYER Not only that you will get the motivation and information you need by using this incredible half marathon training program, but you will also be able to enjoy your favorite tracks while running and training! The running app features a built-in music player that lets you listen to your music during exercises. The audio coach gently blends in when needed, plus you get intuitive on-screen controls that make the experience even better. TRACK & SHARE YOUR PROGRESS Experience the pure enjoyment of running by having the best half marathon training app! If you need a half marathon training guide to reach your 21K goals easily, then 21K Run Trainer is exactly what you need. The app keeps track of your runs and achievements, it awards you with badges and gives you the opportunity to share your progress with your friends and family on any social media. Share your 12 weeks half marathon training log by Facebook, Twitter, or email, and don’t forget to invite your friends to join you! 21K RUN TRAINER FEATURES: - Reach your 21k run goals in 12 weeks - Follow detailed half marathon training schedule - Uses alternating walks & runs - Audio coach to guide & motivate you - Repeat workouts whenever you want - Includes a music player to listen to music while exercising - Built-in GPS & distance tracking - Receive cool badges for your progress - Tracks & logs each time you do a new run - Share achievements with friends - Fully customizable settings - Supports both phone & tablet devices - Smooth on-screen controls - Integrated health kit for a workout track - FREE to use half marathon training plan app --- How to train for a half marathon and fully enjoy it? It’s simple! Get 21K Run Trainer for FREE today and just believe in yourself! Please seek medical advice prior to commencement. We currently offer two auto-renewing subscriptions with $0.99/week billed as a yearly $49.99 without a trail. & 7-day free trial thereafter weekly $1.49 billed as a six month $37.99. By subscribing you get unlimited access and unlock all Training program, Transformation tracker, Diet recipes & 30 Day meal plan. Subscriptions are set to automatically renew within the 24-hour period prior to the subscription end date. You can cancel your subscription at any moment in your iTunes account settings but refunds will not be provided for any unused portion of the terms. App integrated with the Health kit, so you can find your activities data in the Health App. Contact our client support via rumbleent@hotmail.com Privacy Policy: http://rumbleenterprise.com/policy_runing.html and Terms of Service: http://rumbleenterprise.com/terms_of_use_running.html

About

Kudlify

Features
Read full description

An all-in-one well-being solution for physical, mental and financial health. Get access to 30+ tools, including AI support, to improve your overall well-being.

Screenshots

Half Marathon4 screens
Kudlify4 screens

Verdict

The call

The clearest difference is in-app purchases: Kudlify at none against Half Marathon's 7. Half Marathon's advantage is iOS requirement (13.4 vs 15.1). On price, update cadence, ads 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 sells 7 in-app purchases, starting at $0.99 per 7 days. Kudlify asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 8 level
Half Marathon versus Kudlify: the parameters behind the verdict, then further details
ParameterHalf MarathonKudlify
PriceFreeFree
Rating4.2 (254 ratings) — better—
Positive reviews18.8% of reviews—
Number of ratings254 — better—
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS13.4 — better15.1
Further details — not scored
Size65 MB44 MB
Age rating4+17+
DeveloperRumbleXO Student Discounts Ltd

In-app purchases

7 purchases

Half Marathon

Subscriptions6
  • Weekly Subscription$0.997 Days
  • 21k Run Monthly New3 Days trial$1.991 Month
  • Weekly Subscription$1.997 Days
Show 3 more
  • 21K Run Trainer (Weekly)3 Days trial$2.997 Days
  • Half Marathon Workout Plan7 Days trial$29.991 Year
  • Half marathon program7 Days trial$37.996 Months
One-time1
  • 21k Run Life Time$39.99
None

Kudlify

No in-app purchases

Questions

Is Half Marathon free?
Half Marathon is free to download, with in-app purchases available.
Is Kudlify free?
Kudlify is free to download, with no in-app purchases.
Do Half Marathon or Kudlify have ads?
Neither Half Marathon nor Kudlify shows ads.
Which is updated more often, Half Marathon or Kudlify?
Half Marathon ships an update every 3 months, and Kudlify every 3 months. Most recently, Half Marathon was updated on September 23, 2026 and Kudlify on September 20, 2026.

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