Comparison

Run Trainer vs 10K Trainer by C25K®

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

Head to head
About

Run Trainer

This app serves as a personal running coach and GPS tracker, offering guided training plans for various distances from Couch to 5K to half marathons. It provides audio coaching, detailed performance statistics, and seamless integration with Apple devices.

Highlights
  • Personalized training plans (Couch to 5K, 10K, Half Marathon)
  • Customizable training schedules (MyPlan)
  • Audio coaching with voice cues
  • Integrated music control
  • Free Run mode for untracked runs
  • Accurate GPS tracking with Apple Maps
  • Detailed performance statistics (SpeedMap, pace overview)
  • Apple Watch app for hands-free training
Features
Read full description

Get ready to hit your running goals, maybe even smash them, with Run Trainer, your personal running coach and GPS run tracker. Whether you’re a beginner dreaming of your first 5K with Start to Run (Couch to 5K) or an experienced runner training for a faster 10K or half marathon, our iOS app with Apple Watch support is built to guide you every step of the way. Improve your health, lose weight or simply stay in top shape with our built-in training plans, or build your own in minutes. Why runners choose Run Trainer Personalized training plans for every level - From Couch to 5K for absolute beginners to advanced plans for 10K, 15K and even a half marathon. - With MyPlan, you can easily create custom training schedules, perfect for recovery blocks or specific goals. - Our plans use a clear, effective 3-step approach: Walk, Jog, Run. Smart training with audio coaching - Get clear voice cues during every workout to guide your pace and structure so you stay on rhythm and motivated. - Enjoy your own music from Apple Music, Spotify, Podcasts or other apps. Run Trainer automatically lowers the volume for instructions so you stay focused. - Prefer running freely with tracking? Free Run lets you head out without a plan while still tracking your performance. Accurate GPS tracking & detailed stats - Record your route with live GPS using Apple Maps. - See distance, time, pace and calories at a glance. During and after your run. - Dig into performance details with the unique SpeedMap, showing exactly where you sped up or slowed down and where you can optimize your pace for better results. - Review a clear pace overview (min/km) across all your workouts to monitor progress and set targets. Seamless with your Apple devices - Leave your iPhone in your pocket or in the holder. The Apple Watch app shows live running data on your wrist so you can train hands-free. - Sync your training data effortlessly with our free cloud service and Apple Health for a complete view of your fitness and health metrics. Your progress, always within reach - Your stats sync automatically with your free account. - Never worry about losing progress. Log in and pick up where you left off, even on a new phone or after reinstalling the app. Run Trainer: by runners, for runners We believe in simplicity and effectiveness. Run Trainer is built by runners for runners, delivering an intuitive, motivating coaching experience. See why so many runners have appreciated its clarity and functionality for over 10 years. Try Run Trainer risk-free today. Enjoy a generous free period with access to all features, without automatic subscription renewal. Explore everything first, then decide if you want to become a member. Start your running journey now, improve your fitness and discover your full potential! Note: Continued use of GPS running in the background can dramatically decrease battery life.

About

10K Trainer by C25K®

This app guides beginners from sedentary to running a 10K in 14 weeks with a structured walk/run program. It features an audio coach, progress tracking, and community support. Ideal for those new to running or graduating from a 5K program.

Highlights
  • 14-week walk/run training plan
  • Audio coach guidance
  • Progress tracking
  • Community forums
  • Integration with Health app
  • Music integration
Features
Read full description

■ The Official 10K Trainer app with millions of success stories! ■ 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! "Daily programs that alternate between short bursts of walking and running until you're ready to go the distance." - Forbes "One of the highest-rated health and fitness apps... A modest, realistic workout schedule." - Men's Fitness ≈ 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. "In this last year I have lost 97 lbs, gotten off insulin and 9 other medications, completed the C25K running app and started the 10k app. Life is a blessing." - Diana “I went from a size 16 to a size 7. I tell anyone I can about the app. because it was nothing short of a life changer.” - Amber 10K Trainer is the easiest program to get beginners from couch potatoes to 10K distance runners in just 14 weeks. By the same experts who created the #1 C25K® (Couch to 5K) training app! Don’t worry, if you are already a 5K graduate, you can skip ahead and pick up where C25K® app leaves off! This proven 14 week plan will allow users to slowly build strength and stamina by alternating between walking and running. The blend of walking and running together reduces the overall impact and risk of injury, keeps your body guessing, and prepares you to go the distance. By the end of the program, you will be stronger and healthier than you have ever been. You'll be a 10K runner! 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 ≈ ◎ First week free! Easy to learn. Just press start! ◎ Ideal for beginners. ◎ 14 weeks total. ≈ Features ≈ ◉ Easiest 10k program at only 3 times/week ◉ Convenient audio coach and alerts ◉ Map your run at the end of your workout! ◉ Light and dark modes ◉ Integrates with the Health app ◉ 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 apps ◉ Unlock calories, distance, Apple watch integration, and more ◉ One subscription unlocks all our apps! Questions/comments? Please 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/ 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

Screenshots

Run Trainer4 screens
10K Trainer by C25K®4 screens

Verdict

The call

The clearest difference is ads: Run Trainer at none against 10K Trainer by C25K®'s shown. 10K Trainer by C25K®'s advantage is rating (4.8 vs 4.4) and ratings volume (22K vs 199). On price, update cadence, 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

Both are free to download. Run Trainer sells 3 in-app purchases, starting at $5.99 per month and 10K Trainer by C25K® sells 6 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

10K Trainer by C25K® holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: 10K Trainer by C25K® has 22K ratings behind it against 199, so its average is the more settled of the two. Written reviews point the same way: 53% of Run Trainer's written reviews are positive against 76% of 10K Trainer by C25K®'s.

UpkeepUpdate frequency

Run Trainer ships an update monthly, 10K Trainer by C25K® every 6 weeks. The most recent releases landed on October 21, 2026 and October 26, 2026 respectively.

Scorecard6 real differences · 4 level
Run Trainer versus 10K Trainer by C25K®: the parameters behind the verdict, then further details
ParameterRun Trainer10K Trainer by C25K®
PriceFreeFree
Rating4.4 (199 ratings)4.8 (22K ratings) — better
Positive reviews52.9% of reviews76.2% of reviews — better
Number of ratings19922K — better
Update frequencyMonthly — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.614.0 — better
Further details — not scored
Size125 MB321 MB
Age rating4+4+
DeveloperRun Trainer B.V.Zen Labs

Customer experience

Run Trainer

All ratings198 ratings
Positive86.9%
Neutral3.0%
Negative10.1%
Written reviews121 reviews
Positive52.9%
Neutral9.1%
Negative38.0%

10K Trainer by C25K®

All ratings21,551 ratings
Positive95.8%
Neutral2.0%
Negative2.2%
Written reviews421 reviews
Positive76.2%
Neutral6.2%
Negative17.6%

User reviews

Run Trainer

From 199 App Store ratings

What we love

  • 👍 Excellent for beginner runners
  • 🎯 Effective interval training structure
  • 🎵 Works with music in background
  • 📊 Good progress tracking and statistics
  • ⚡ Simple and easy to use interface

Room to improve

  • 🐛 Frequent app crashes and glitches
  • 🔐 Difficult to cancel subscriptions
  • 💰 Misleading free trial/freemium model
  • 📱 Login issues and authentication problems
  • 🌐 WiFi-only connectivity requirement

10K Trainer by C25K®

From 22K App Store ratings

What we love

  • 🚀 Gradual increase in running challenges
  • 👍 Motivating and easy to follow
  • 👍 Helpful for beginners and returning runners
  • 👍 Allows listening to own music
  • 👍 Provides voice prompts for guidance

Room to improve

  • 🐛 Inconsistent tracking of distance and calories
  • 🐛 Occasional app crashes or freezes
  • 🔋 Drains battery when running with phone
  • 👎 Requires subscription for advanced features

Bugs and requests

Run Trainer

Reported bugs

14 issues
  • App crashes mid-run and loses recording
  • Pausing workout causes progress restart
  • Login freezes and authentication failures
  • Sign-up form stuck on DOB slider
  • App won't open or keeps crashing
Show 9 more
  • Cellular connectivity not working
  • GPS not recording distance accurately
  • Voice command timing off by seconds
  • Text overlapping and display corruption
  • Music playlist won't save between runs
  • App logs out unexpectedly
  • Marathon pack programs inaccessible
  • Interface buttons showing incorrect text
  • Non-English content in settings

Requested features

10 requests
  • Apple Watch standalone functionality without phone
  • Integration with Fitbit and MyFitnessPal
  • Integration with native Fitness app
  • Weight loss tracking integration
  • Treadmill mode improvements
Show 5 more
  • More detailed feature documentation
  • Voice-only coaching option
  • Continued distance tracking after workout completion
  • Better music playlist management
  • Indoor running options

10K Trainer by C25K®

Reported bugs

2 issues
  • Timers not syncing accurately with other devices
  • Workout data sometimes not recorded properly

Requested features

3 requests
  • Apple Watch integration for standalone use
  • More advanced training options beyond just 10K
  • Ability to customize audio prompts and volume

In-app purchases

3 purchases

Run Trainer

Subscriptions3
  • All features per month1 Month trial$5.991 Month
  • All features per 3 months3 Months trial$15.493 Months
  • All features per month year1 Year trial$43.991 Year
6 purchases

10K Trainer by C25K®

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-time2
  • Remove Ads$1.99
  • Go To Pro$6.99

Questions

Is Run Trainer free?
Run Trainer is free to download, with in-app purchases available.
Is 10K Trainer by C25K® free?
10K Trainer by C25K® is free to download, with in-app purchases available.
Which has better reviews, Run Trainer or 10K Trainer by C25K®?
10K Trainer by C25K® is rated higher. Run Trainer averages 4.4 out of 5 from 199 ratings, while 10K Trainer by C25K® averages 4.8 from 22K ratings.
Do Run Trainer or 10K Trainer by C25K® have ads?
10K Trainer by C25K® shows ads; Run Trainer does not.
Which is updated more often, Run Trainer or 10K Trainer by C25K®?
Run Trainer ships an update monthly, and 10K Trainer by C25K® every 6 weeks. Most recently, Run Trainer was updated on October 21, 2026 and 10K Trainer by C25K® on October 26, 2026.

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