Best Couch to 5K apps: which beginner plan suits you?
We make Run, so read this with that in mind.
The best Couch to 5K app for most people is the free NHS Couch to 5K app: it’s simple, friendly and costs nothing. If you’d like the plan to slow down by itself when a run feels too hard, Run (iPhone) adjusts after every run. None to Run suits people who want an extra-gentle 12-week start, C25K by Zen Labs suits people who want a classic plan with an Apple Watch app, and Runna suits beginners who want a full coaching plan.
What is a Couch to 5K app?
A Couch to 5K app is a voice coach for a walk-run plan that takes you from not running at all to running for about half an hour without stopping. You press start, and a voice tells you when to run and when to walk. Each week the running bits get a little longer and the walking bits a little shorter. If you’d like to understand the plan itself first, read our Couch to 5K guide.
How do the Couch to 5K apps compare?
The biggest differences are how long the plan takes, how it handles a bad week, and what it costs.
Checked October 2026, on each app’s official website and App Store page.
| App | Plan length | Goal at the end | When a run feels too hard | Price model | Phones | Apple Watch |
|---|---|---|---|---|---|---|
| NHS Couch to 5K | 9 weeks, 3 runs a week (you can take longer) | 30 minutes non-stop | Go at your own pace and take longer | Free | iPhone and Android | Not stated |
| C25K by Zen Labs | 8 weeks, 3 days a week | 5K | Repeat days yourself | Free download; subscription or one-off purchases, “first week free” | iPhone and Android | Yes |
| None to Run | 12 weeks, 3 sessions a week | 25 minutes non-stop | Repeat weeks; miss a week and it drops you back one | Subscription after a 7-day free trial | iPhone and Android | Yes |
| Runna | Not stated for its Couch to 5K plans | 5K | Its site says plans adapt to your performance | Subscription after a 7-day free trial | iPhone and Android | Yes |
| Run | Usually 8–16 weeks, 2 or 3 runs a week | 25 minutes non-stop (5K), then 10K | Adjusts by itself from your ratings | Free tracking and first plan workout; plan is part of optional Run Premium | iPhone only | Yes |
NHS Couch to 5K: the best free option
The NHS Couch to 5K app is free and was made with the BBC. It follows the classic nine-week plan: three runs a week, starting with one minute of running and 90 seconds of walking, and ending with 30 minutes non-stop. You choose a trainer to talk you through each run, including some famous voices, and you can play your own music underneath. After you finish, there are “Beyond Couch to 5K” runs to keep you going.
Best for: anyone who wants a proven plan without paying a thing. The NHS says you can take longer than nine weeks, but the app won’t change the plan for you; you decide when to repeat. Its App Store page doesn’t mention Apple Watch.
C25K by Zen Labs: a classic plan with a watch app
C25K by Zen Labs sticks close to the classic plan, just a week shorter. Its listing describes “30 minutes a day, 3 days a week, 8 weeks total” and it has an Apple Watch app. It’s free to download, with a subscription and some one-off purchases, and the listing says the first week is free.
Best for: people who want a straightforward eight-week plan and like seeing cues on their wrist. Like most fixed plans, you repeat a day yourself when it was too much.
None to Run: the gentlest start
None to Run was designed to be easier than Couch to 5K. Its main plan takes 12 weeks to reach 25 minutes of non-stop running. Before that, there’s a walking plan and a “Run Ready” plan with very short running bits. Short strength and mobility routines are built in. You can repeat weeks, switch plans, and if you miss a week or more it puts you back one week.
Best for: people who get breathless fast, are carrying extra weight, are older, or gave up on Couch to 5K before. It’s a subscription after a 7-day free trial. We compare it with Run in Run vs None to Run.
Runna: Couch to 5K inside a full coaching app
Runna is a coaching app that covers everything from a first 5K to ultramarathons, and its App Store page lists Couch to 5K plans “for novices or those returning post hiatus”. Its website says plans adapt to your performance, and it adds strength training. It works with Apple Watch, Garmin and COROS.
Best for: beginners who already want a serious, coach-style setup and are happy to pay a subscription after the free trial. If all you need is a walk-run plan, it may be more app than you need right now.
Run: a Couch to 5K plan that adjusts to you
Run is our app. Instead of a fixed nine-week calendar, it uses a ladder of 19 levels. You tell it what you can do today and it picks your starting level. Level 1 is one minute of running and two minutes of walking, repeated up to seven times; level 12 is 25 minutes non-stop, the 5K goal. Most people get there in 8 to 16 weeks.
After each run you rate how tiring it felt from 1 to 10. A very tiring run makes the next one lighter straight away, a hard week means you repeat the level, and an easy week moves you up. Every run starts with a 5-minute warm-up walk and ends with a 5-minute cool-down walk. It’s on iPhone and Apple Watch only. See the full ladder on our 5K plan page.
Which Couch to 5K app should I choose?
Pick the one that matches the way you’re most likely to struggle:
- “I don’t want to pay anything.” NHS Couch to 5K.
- “I always get stuck around week 5.” Run or None to Run. Both make it easier to slow down instead of failing a run.
- “I’m very unfit or nervous about running.” None to Run, or Run, which starts you one level lower if you’re 50+ or have had an injury.
- “I want a watch app and a classic plan.” C25K by Zen Labs.
- “I want a coach for this and my next ten races.” Runna.
- “I’m on Android.” Any of them except Run.
Not sure where you’d start? Our free running plan generator gives you a starting point in a minute.
How long does Couch to 5K take with an app?
Most people need somewhere between 8 and 16 weeks, depending on where they start and how life gets in the way. The app matters less than turning up two or three times a week. Repeating a week is not going backwards; it’s how most people actually finish. For more on timing, read how long it takes to run a 5K.
Frequently asked questions
Is Couch to 5K really nine weeks?
The classic schedule is nine weeks with three runs a week, but plenty of people take longer and that’s completely fine. Repeating a week is normal, not a failure. Some apps use 8, 12 or more weeks instead.
What if I can’t finish a Couch to 5K run?
Walk, finish the session as best you can, and repeat that run or that week next time. If you keep getting stuck at the same point, a gentler plan or an app that adjusts to you may suit you better.
Does Couch to 5K actually get you to 5 kilometers?
Most plans end with 25 to 30 minutes of non-stop running. At an easy beginner pace that may be a bit less than 5 km (3.1 miles), and that’s fine. Once you can run for 30 minutes, adding the last stretch is the easy part.
Can I do Couch to 5K on a treadmill?
Yes. The run and walk cues work the same indoors. Set a gentle pace you could hold while talking, and use the walking breaks just as you would outside.