Comparison

Interval Timer vs Endura Virtual Challenges

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

Head to head
About

Interval Timer

This interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

Highlights
  • Customizable work and rest periods
  • Set number of sets and rounds
  • Background operation support
  • Music playback compatibility
  • Apple Watch integration
  • Heart rate monitoring (Apple Watch)
Features
Read full description

This app is handy interval timer that helps you keep track of your work and rest periods during your HIIT interval training and workouts. The application is very easy to use, enter the Work, Rest, Sets, Rounds and start workout. You can listen to music during workouts or use the timer in the background. There is also app on the Apple Watch that will allow you to monitor your heart rate during workouts. Apple Watch app features: - iCloud sync with iPhone - integration with the Health app - monitoring heart rate during workouts

About

Endura Virtual Challenges

Features
Read full description

Join Endura Run's virtual sports challenges and turn your training into achievements. Sign up for running challenges, log your activities, track your progress toward the goal and receive your kit at home. What you can do in the app: • Challenges — take part by distance (3, 5, 10, 15, 21 and 42 km) or by number of activities. • Progress and milestones — follow your evolution with a progress ring and milestones every 20% of the goal. • Log your activities — add workouts with a link from your running app or enter the distance manually, with a description and a photo. • Community feed — see what other athletes are doing, like and comment. Posting is always optional. • Leaderboard — see where you stand among the participants of the same challenge. • Track your kit — once your kit is shipped, the tracking code shows up right in the app. • Notifications — get training reminders and an alert when your kit is on its way. How it works: Pick a challenge, secure your entry and your kit (a medal and, in the Pro kit, a t-shirt) and start training. Every activity you log moves your progress forward until you complete the goal. Registration is completed securely on our website. Your app account is the same as your siteendura.com.br account — sign in and pick up where you left off. Run for yourself. Challenge yourself. Endura Run — virtual sports challenges.

Screenshots

Interval Timer4 screens
Endura Virtual Challenges4 screens

Verdict

The call

The clearest difference is in-app purchases: Endura Virtual Challenges at none against Interval Timer's 1. Endura Virtual Challenges also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 months). Interval Timer's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 15.1). On price 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. Interval Timer sells 1 one-off in-app purchase. Endura Virtual Challenges asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Timer ships an update every 2 months, Endura Virtual Challenges every 4 days. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

Scorecard5 real differences · 5 level
Interval Timer versus Endura Virtual Challenges: the parameters behind the verdict, then further details
ParameterInterval TimerEndura Virtual Challenges
PriceFreeFree
Rating4.9 (246 ratings) — better—
Positive reviews83.5% of reviews—
Number of ratings246 — better—
Update frequencyEvery 2 monthsEvery 4 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size12 MB36 MB
Age rating4+4+
DeveloperYosyp HameliakGuilherme Machado Santana

In-app purchases

1 purchases

Interval Timer

One-time1
  • Remove Ads$4.99
None

Endura Virtual Challenges

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Endura Virtual Challenges free?
Endura Virtual Challenges is free to download, with no in-app purchases.
Do Interval Timer or Endura Virtual Challenges have ads?
Interval Timer shows ads; Endura Virtual Challenges does not.
Which is updated more often, Interval Timer or Endura Virtual Challenges?
Interval Timer ships an update every 2 months, and Endura Virtual Challenges every 4 days. Most recently, Interval Timer was updated on October 19, 2026 and Endura Virtual Challenges on October 18, 2026.

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