Comparison

Log4Fit vs Intervals

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

Head to head
About

Log4Fit

This app helps you track your gym workouts efficiently. Log sets, reps, and weight with ease to monitor your progress over time. It's designed for straightforward logging during real gym sessions.

Highlights
  • Fast workout logging
  • Track sets, reps, and weight
  • Review workout history
  • Monitor strength progress
  • Add custom exercises
  • Designed for gym sessions
Read full description

Log4Fit is a simple workout log built for gym sessions. Track your workouts as you go, log sets in seconds, and see how your training changes over time. Log4Fit keeps your workout history in one place so you can stop guessing what you lifted last time and stay focused on progress. Why Log4Fit: · Fast workout logging with minimal friction · Track sets, reps, and weight · Review workout history anytime · Follow your strength progress over time · Add custom exercises for your routine · Built for real gym sessions, not complicated planning Whether you lift with a fixed routine or adjust on the fly, Log4Fit helps you record each session and keep moving forward.

About

Intervals

This app provides a versatile interval timer for various training styles like HIIT and Tabata, integrating seamlessly with Apple Watch and iPhone. It offers detailed workout tracking, custom workout creation, and performance analytics to help users achieve their fitness goals.

Highlights
  • Real-time workout tracking on Apple Watch
  • Customizable workout editor
  • Training Impulse and heart rate zone analysis
  • Game Center integration for leaderboards
  • Weekly progress challenges
  • Apple Health integration
Features
Read full description

The Ultimate Fitness & Interval Training App for Apple Watch Achieve your fitness goals with our versatile interval timer, perfect for HIIT, Tabata, functional training, cross-training, and more. Designed for everyone from recreational athletes to pros, this app offers a comprehensive training experience, seamlessly integrating Apple Watch and iPhone. It combines a comprehensive activity feed with insightful fitness statistics and all your essential health metrics in one beautifully designed app. Features: * Real-Time Workout Tracking – Track your workout on Apple Watch while viewing all relevant data live on your iPhone. * Comprehensive Workout Editor – Create custom workouts with blocks and steps—whether for HIIT, Tabata, or other interval structures—to tailor your training exactly to your needs. * Training Impulse & Heart Rate Zones – Calculate your Training Impulse and view your daily training load at a glance. Train with customizable heart rate zones for optimal intensity. * Points & Self-Competition – Earn points based on your workout intensity and compete with yourself in every split. New: Compete & Analyze Like Never Before! * Game Center Integration – Compare your workout scores with other athletes in the weekly Intervals League. * Weekly Progress Challenges – Beat your past workouts and push for new personal bests in the race for the best week of the year. * Training Load Balance – With TRIMP (Training Impulse) analysis, track your short-term and long-term training load to see if you're pushing too hard or need to step it up. * Enhanced Statistics – Get deeper insights into your performance, including personal records and detailed training metrics. Pro Features (PRO subscription required) * Additional Sports – Access specialized timers for fitness gaming, rowing, running, cycling and more. * Advanced Workout Editor – Plan even more precisely with added warm-up and cooldown phases. * Apple Watch Workout Export – Export your workouts as native Apple Watch workouts. * Statistics & History – Analyze your progress and view your workout history. All workouts are saved in Apple Health and can be reviewed for detailed insights. Make every split a challenge and take full control of your progress! Download the ultimate interval workout timer now and make your HIIT and Tabata workouts more precise and effective! Note: The workout feature requires an Apple Watch to track your heart rate and training data. Health App Integrations: Intervals uses your health data from the Health App (HealthKit) to display your energy burned, record your workouts, and display your current heart rate. Privacy policy: http://apps.gogolith.com/privacy
 Terms and Conditions: http://apps.gogolith.com/row-terms

Screenshots

Log4Fit4 screens
Intervals4 screens

Verdict

The call

The clearest difference is rating: Log4Fit at 5.0 against Intervals's 4.0. Log4Fit also leads on in-app purchases (none vs 2) and iOS requirement (15.1 vs 18). Intervals's advantage is update cadence (every 11 days vs every 27 months). On price, review sentiment, ratings volume and ads 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. Intervals sells 2 in-app purchases, starting at $2.99 per month. Log4Fit asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Log4Fit holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Log4Fit ships an update every 27 months, Intervals every 11 days. The most recent releases landed on September 23, 2026 and October 10, 2026 respectively.

Scorecard5 real differences · 5 level
Log4Fit versus Intervals: the parameters behind the verdict, then further details
ParameterLog4FitIntervals
PriceFreeFree
Rating5.0 (1 ratings) — better4.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings11
Update frequencyEvery 27 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS15.1 — better18
Further details — not scored
Size21 MB47 MB
Age rating12+4+
DeveloperDenis ZaytsevChristoph Gogolin

Customer experience

Log4Fit

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Intervals

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Log4Fit

No in-app purchases

2 purchases

Intervals

Subscriptions2
  • All Pro features (monthly)$2.991 Month
  • All Pro features (yearly)7 Days trial$12.991 Year

Questions

Is Log4Fit free?
Log4Fit is free to download, with no in-app purchases.
Is Intervals free?
Intervals is free to download, with in-app purchases available.
Which has better reviews, Log4Fit or Intervals?
Log4Fit is rated higher. Log4Fit averages 5.0 out of 5 from 1 ratings, while Intervals averages 4.0 from 1 ratings.
Do Log4Fit or Intervals have ads?
Neither Log4Fit nor Intervals shows ads.
Which is updated more often, Log4Fit or Intervals?
Log4Fit ships an update every 27 months, and Intervals every 11 days. Most recently, Log4Fit was updated on September 23, 2026 and Intervals on October 10, 2026.

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