Intervals (intervals.icu)
Worth it
Confidence: Medium
Use it if you self-coach in cycling, running, or triathlon and want deep, free analytics.
New check
Comparison
Intervals (intervals.icu) vs TrainingPeaks
Intervals (intervals.icu) lands on Worth it, and TrainingPeaks lands on Depends.
TrainingPeaks
Depends
Confidence: Medium
Buy it if you're a serious endurance athlete or coach who wants the deepest training analytics and structured planning available.
| Compare | ||
|---|---|---|
| Verdict | Worth it | Depends |
| Best for | Self-coached cyclists and runners | Serious endurance athletes chasing power/pace data |
| Who it's not for | Athletes wanting a human coach or guided plans | Casual runners and gym-goers who just want a social feed |
| Privacy | No known public vulnerabilities found in the sources reviewed.⁹ | No known public vulnerabilities found in the sources reviewed. |
| Support quality | Community forum only; no formal SLA | No clear evidence either way |
| Public sentiment | Endurance athletes on Reddit and the product's own forum describe as a great, deeply capable DIY training-analytics tool that is actively improved.¹ | Endurance athletes treat TrainingPeaks as the analytics gold standard but increasingly gripe about price and clunky tablet UX.14 |
| Biggest gotcha | A user had to publicly ask where to report vulnerabilities; disclosure path unclear⁸ | Annual prices went up in 2025 . verify current renewal cost before committing11 |
Pick Intervals (intervals.icu) when
- Self-coached cyclists and runners
- Data-driven triathletes
- Garmin/Strava users wanting deeper analysis
- Budget athletes replacing paid platforms
When Intervals (intervals.icu) is not a fit
- Athletes wanting a human coach or guided plans
- Anyone expecting a polished mobile-first app
- Teams shopping for workplace software (unrelated same-name PM tool exists)
- Buyers needing formal vulnerability disclosure or support SLAs
Pick TrainingPeaks when
- Serious endurance athletes chasing power/pace data
- Triathletes and cyclists running structured plans
- Coaches managing a roster of athletes
- Data-driven self-coached racers
When TrainingPeaks is not a fit
- Casual runners and gym-goers who just want a social feed
- Strength coaches . TrueCoach or TrainHeroic fit better
- Anyone unwilling to pay a subscription for training data
- Users who want a modern mobile/tablet experience
Sources
review
- Today's Plan shutting down, suggesting intervals.icu as alternativeforum.intervals.icunews
- New Fitbit API (Google Health) integrationforum.intervals.icuofficial
- Intervals.icu AI Analysistrainingdojo.appreview
review
- Inquiry About Security Contact for Vulnerability Reportforum.intervals.icusecurity
- Product security pageintervals.icuofficial
- Garmin acquires TrainingPeaks and TrainHeroicprnewswire.comnews
news
- TrainingPeaks on tablet --> sucksforum.slowtwitch.comreview
- Training Peaks Premier- Worth it?forum.slowtwitch.comreview
- TrainingPeaks : r/triathlonreddit.comreview
- Afitpilot vs TrainingPeaks . the honest comparisonafitpilot.comreview
- TrueCoach vs TrainingPeaks comparisontrainerstudio.comreview