Comparison

RUN interval vs SLFit Lounge

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

Head to head
About

RUN interval

This app simplifies interval and Fartlek running by allowing you to set custom targets for time or distance during hard, easy, and rest efforts. It offers detailed post-run summaries, audio and visual feedback, and an Apple Watch app for enhanced training.

Highlights
  • Customizable interval sessions
  • Time and distance targets
  • Distance Goal option
  • Audio and visual feedback
  • Detailed run summaries
  • Apple Watch app
  • Strava sharing
Features
Read full description

Easily set up and record your Interval and Fartlek running sessions. With the flexibility of using time and/or distance as interval targets for your "Hard", "Easy" and "Rest" efforts. The simple but highly configurable interface on your phone and watch will have you running sooner. Now with a Distance Goal option for your session. Along with great audio and visual feedback, detailed post-run summary, share your runs to Strava, and a full-featured Apple Watch app. You can also record your regular runs with voice-over calling out distance and pace feedback. Key Features: • Easily create flexible custom interval sessions. • Utilize three effort targets "Hard", "Easy" and "Rest" in each set, targeting time or distance (meters or miles). • You can "Skip" any of the three efforts to create flexible sets, like building a progressive intervals session. • NEW: Set a Distance Goal for your session, that repeats the sets from the start until the distance has been reached. • Set a Warm-Up and Warm-Down timer or distance around your session. • Clear and easily glanceable visuals and audio prompts, including vibrations. • Voice-over prompts to save you from looking at the screen, great for iPhone or headphone users. • Voice-over prompts include the upcoming intervals effort and time/distance amount, and your last intervals average pace and heart rate. • Full-featured Apple Watch App! • Heart Rate Zones! (see description below) • Indoor Mode, no GPS, for treadmill running. • Sound Mode, for normal, discrete or silent audio prompts on your watch. • Vibration feedback on both the phone and watch. • Detailed run summary, showing pace for hard and easy efforts. • The run summary also includes interval breakdown, distance breakdown and heart rate details. • Play music or podcasts while running and still hear the audio prompts. • Sharing. Share a summary photo with your friends. • Private data. We don’t send any of your data to a server or share it with anyone. Session Types: • Normal Run – Record a normal run, long or short. • Record Intervals – If you run with a group or do an undefined session, then use the Record Interval option. It allows you to manually change between "Hard" and "Easy" reps, allowing you to record your session. • Custom Intervals – Our fully flexible intervals that allow you to use time and/or distance for the efforts. Add multiple intervals sets together to create the session you want. Sharing: From the summary screen, you can share your runs with friends or across social media. If you want to share directly with friends or across other social media, you can share a summary image with the details of your run. Heart Rate Zones: (Apple Watch Only) Zones are displayed as grouped percentages of your maximum heart rate. Giving you an indication of your current work rate based on your current heart rate. Just enter your maximum workout heart rate into our Settings screen and they will display on your Watch the next time you run. Zone 1: Very Light Effort 50-60% (Gray) Zone 2: Light Effort 60-70% (Blue) Zone 3: Moderate Effort 70-80% (Green) Zone 4: Hard Effort 80-90% (Yellow) Zone 5: Maximum Effort 90-100% (Red) Privacy: We don’t want to know where you have run, that's for you to worry about. We don’t send any of your data to a server or share it with anyone you don't want too. We keep your running records safe in Apple Health so you have control. Apple Heath gives you the control over who accesses your data. We only write and read the data we record from your running. Feedback: And because we don't send any data to a server, we need you to send us feedback and suggestions. Hit the Support link below or visit our website to contact us.

About

SLFit Lounge

This app combines a daily word game focused on health and fitness terms with short exercise challenges and workouts. It encourages learning and activity to build healthier habits without requiring extensive time commitments.

Highlights
  • Daily word game for fitness and health terms
  • Short exercise challenges
  • Quick workout routines
  • Water intake tracking
  • Progress and streak tracking
  • STARTLIVEFIT client workout access
Features
Read full description

SLFit Lounge — Learn It. Move It. Live It. SLFit Lounge by STARTLIVEFIT is a daily fitness and health app built around one simple idea: the more you learn about fitness and health, the more likely you are to think about it, understand it, and make better choices. At the center of SLFit Lounge is The Daily Set, a daily word game that introduces fitness, exercise, nutrition, health, and wellness terms in a fun and simple way. Along with the Daily Set, users can take on short exercise challenges, complete quick workouts, track hydration, and stay connected to their STARTLIVEFIT training. You don't need to spend hours in the app. Open it each day, learn something, do something active, and keep building healthier habits. THE DAILY SET The Daily Set is the heart of SLFit Lounge. Each day brings a new word related to fitness, exercise, nutrition, health, or everyday wellness. Use the clues to figure out the word before you run out of attempts. Once the word is revealed, learn what it means and how it relates to your health or fitness. You might learn about muscles, exercises, training techniques, nutrition, recovery, healthy habits, gym terminology, or other concepts that can help you better understand your own fitness journey. Build winning streaks, improve your time, and see how you compare on the leaderboard. It's a quick daily game designed to keep fitness and health on your mind. DAILY EXERCISE CHALLENGES After working your brain, get your body moving. Take on a daily exercise challenge with a goal based on repetitions, sets, or time. Challenges are designed to give you a simple reason to be active, even on days when you don't have time for a full workout. Complete the challenge all at once or work toward your goal throughout the day. Your Daily Set result may even affect your challenge, adding a little extra motivation to solve the word. SHORT WORKOUTS Need more than a single challenge? Choose a short workout that makes it easier to fit exercise into your day. These workouts are designed for days when you want to move but don't necessarily have time for a long training session. STARTLIVEFIT CLIENT WORKOUTS STARTLIVEFIT clients can also access workouts and programs assigned by their trainer. Follow exercise videos, scheduled workout days, and personalized training while logging sets, reps, weight, time, and completed sessions. Not a STARTLIVEFIT client yet? You can still enjoy the Daily Set, daily challenges, short workouts, and water tracking — reach out to STARTLIVEFIT to connect with a trainer and unlock assigned programs. WATER TRACKING Keep hydration in mind throughout the day. Track your water intake, work toward your daily goal, save your commonly used drink containers, and build consistency over time. PROGRESS & STREAKS Track your Daily Set results, exercise challenges, workouts, hydration, and activity history. Build streaks and give yourself another reason to come back each day. WHAT YOU CAN DO IN SLFIT LOUNGE • Learn a new fitness or health term daily • Play The Daily Set word challenge • Build Daily Set streaks and compete on leaderboards • Complete daily exercise challenges • Follow short workouts • Access personalized STARTLIVEFIT client workouts • Watch exercise demonstration videos • Log sets, reps, weight, and time • Track daily water intake • Review your activity and progress • Receive optional reminders and notifications WHO IS SLFIT LOUNGE FOR? SLFit Lounge is for STARTLIVEFIT clients and anyone who wants to become more engaged with their fitness and health. Learn one new term. Think a little more about your health. Complete a quick challenge. Move your body. Then come back tomorrow and do it again. SLFit Lounge provides general fitness and wellness information for educational purposes only and is not a substitute for professional medical advice. Consult a healthcare professional before starting any new exercise or nutrition program. Small daily choices. Big life changes.

Screenshots

RUN interval4 screens
SLFit Lounge4 screens

Verdict

The call

The clearest difference is in-app purchases: SLFit Lounge at none against RUN interval's 2. SLFit Lounge also leads on rating (5.0 vs 4.7). RUN interval's advantage is ratings volume (1K vs 2). On price, ads, device support and iOS requirement 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 interval sells 2 one-off in-app purchases. SLFit Lounge asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SLFit Lounge holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: RUN interval has 1K ratings behind it against 2, so its average is the more settled of the two.

Scorecard4 real differences · 6 level
RUN interval versus SLFit Lounge: the parameters behind the verdict, then further details
ParameterRUN intervalSLFit Lounge
PriceFreeFree
Rating4.7 (1K ratings)5.0 (2 ratings) — better
Positive reviews77.5% of reviews—
Number of ratings1K — better2
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size34 MB189 MB
Age rating4+12+
DeveloperCAN YOU HEAR ME SOFTWAREJoseph Abadilla

Customer experience

RUN interval

All ratings1,003 ratings
Positive94.3%
Neutral1.6%
Negative4.1%
Written reviews191 reviews
Positive77.5%
Neutral5.2%
Negative17.3%

SLFit Lounge

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

RUN interval

One-time2
  • The full RUN interval$1.99
  • The full RUN interval$3.99
None

SLFit Lounge

No in-app purchases

Questions

Is RUN interval free?
RUN interval is free to download, with in-app purchases available.
Is SLFit Lounge free?
SLFit Lounge is free to download, with no in-app purchases.
Which has better reviews, RUN interval or SLFit Lounge?
SLFit Lounge is rated higher. RUN interval averages 4.7 out of 5 from 1K ratings, while SLFit Lounge averages 5.0 from 2 ratings.
Do RUN interval or SLFit Lounge have ads?
Neither RUN interval nor SLFit Lounge shows ads.

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