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10K Trainer by C25K® app icon#8in Running Training

10K Trainer by C25K®

Running Training · Free + IAP
S Tier
Best in class · #8 of 18
93
4.8★21.6K ratings
Free + IAPprice
2mosince update
  • iPhone
  • iPad
  • Apple Watch

What is 10K Trainer by C25K®?

10K Trainer is a Health & Fitness app that offers a 14 week plan of daily programs alternating short bursts of walking and running. An audio coach guides each run, and the app can map a run at the end of the workout. The listing also describes a Zen Unlimited Pass subscription that unlocks pro features across Zen Labs Fitness apps.

Pricing. 10K Trainer by C25K® is free to download, with in-app purchases on the App Store.

Good for

  • Beginners moving from walking toward running a 10K
  • Runners who have finished a 5K program and want to continue
  • People who want audio-guided interval workouts on an iPhone

Screenshots

1 / 8

Why this app is in S tier

10K Trainer by C25K® scores 93 out of 100: rating 95, rating count 85, App Store search rank 91, update recency 100. The four parts are averaged with no weights, and S tier follows from that score within this list. The full explanation, as data.

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 p

Compare in Running Training

Measure10K Trainer by C25K®RunnaiRun. Couch to Runner
TierSSS
Score93 / 10096 / 10092 / 100
Rating4.8 ★4.8 ★4.8 ★
Ratings21.6K35.0K5.3K
Latest ratings · 180d4.1 ★ · 20 reviews3.1 ★ · 20 reviews4.3 ★ · 20 reviews
Last update57d ago2d ago8d ago
PriceFree + IAPFree + IAPFree download

Alternatives

See all 17 ›
  1. 5K RunnerFree + IAP · ★ 4.9S
  2. Nike Run ClubFree · ★ 4.8S
  3. C25K® 5K Running Coach & MapFree + IAP · ★ 4.8S

Questions about 10K Trainer by C25K®

Is the app free to use?

The listing says the app is free and that the first week of the program is free.

Do I need to have run before?

The program is ideal for beginners and starts from walking and alternating with running. It also says users who have finished a 5K program can skip ahead to where the C25K app leaves off.

How long is the program and how often do I train?

The program runs 14 weeks and features workouts at 3 times per week. It also says daily programs are offered.

Is 10K Trainer by C25K® free?

10K Trainer by C25K® is free to download, with in-app purchases.

What is 10K Trainer by C25K® good for?

10K Trainer by C25K® is built for beginners moving from walking toward running a 10K, runners who have finished a 5K program and want to continue, people who want audio-guided interval workouts on an iPhone. It sits in the running training list on AppTierList.

Is 10K Trainer by C25K® worth it?

10K Trainer by C25K® is S tier, ranked #8 of 18 running training apps with a score of 93 out of 100, from a 4.8 App Store rating across 21,622 ratings. It is in the list's top tiers; 7 apps rank above it.

How does 10K Trainer by C25K® compare to Runna?

10K Trainer by C25K® is S tier at 93; Runna is S tier at 96. Runna ranks higher. 10K Trainer by C25K® is free to download, with in-app purchases, Runna is free to download, with in-app purchases.

How often is 10K Trainer by C25K® updated?

10K Trainer by C25K® was last updated on 2026-08-26, 57 days ago.

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All the facts

List
Running Training
Tier
S (Best in class)
Score
93 / 100
Rank in list
#8 of 18
Ranking certainty
settled
Price
Free + IAP
App Store rating
4.8 out of 5
Number of ratings
21,622
Recent reviews
4.1 from 20 in the last 180 days
Current version
(57 days ago)
App Store data read
App Store category
Health & Fitness
Good for
Beginners moving from walking toward running a 10K, Runners who have finished a 5K program and want to continue, People who want audio-guided interval workouts on an iPhone
Requires
iOS 14.0 or later
Size
321 MB
Age rating
4+
Languages
1
Runs on
iPhone, iPad, Apple Watch
Developer pages
Website · Support · Privacy policy
Maker
unclaimed
As data
JSON · why it ranks here

App Store data read · reviews · ranking · how it is computed