Comparison

Interval Timer vs Fever Track

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 app provides a versatile interval timer for various fitness activities, including Tabata, HIIT, and running. Customize work and rest periods, set multiple rounds, and utilize voice prompts for seamless training. It functions as a stopwatch and countdown timer for diverse workout needs.

Highlights
  • Customizable interval timer
  • Tabata and HIIT workout support
  • Running and cardio intervals
  • Stopwatch and countdown timer
  • Voice prompts and loud alerts
  • Background mode
  • Screen stays awake
Features
Read full description

Looking for the best free tabata timer to power your workouts? Interval Timer – Tabata Timer is your all-in-one HIIT timer, interval timer, fitness timer, stopwatch, and countdown timer designed for gym training, home workouts, and professional fitness routines across the USA. Whether you're doing tabata, strength training, cardio, or running intervals, this powerful and easy-to-use timer helps you train smarter and stay consistent. ---> Perfect for: ◉ Tabata workouts ◉ HIIT training ◉ Circuit training ◉ Running interval timer sessions ◉ Weightlifting ◉ Cross-training ◉ Home workouts ◉ Gym workouts (including Planet Fitness routines) This app works as your personal tabata pro tool — without the complexity. ---> Fully Customizable Interval Timer ◉ Build workouts your way ◉ Set work & rest intervals ◉ Multiple rounds & sets ◉ Warm-up & cool-down ◉ Adjustable seconds interval timer precision ◉ Loud alerts & voice prompts ◉ Background mode support ◉ Screen stays awake ◉ One-tap start From short tabata bursts to long endurance sessions, you control the time. ---> Running & Cardio Focused Use it as a: ◉ Running interval timer ◉ Sprint timer ◉ Cardio HIIT timer ◉ Stopwatch for lap tracking ◉ Countdown timer for training goals ◉ Ideal for treadmill workouts, outdoor runs, and structured cardio sessions. ---> This powerful app also works as: More Than Just a Workout Timer ◉ Fitness timer ◉ Timer for workouts ◉ Stopwatch for training ◉ Countdown timer for circuits ◉ Contraction tracker & timer (basic interval timing support) ◉ Simple fasting tracker timing tool ◉ One timer. Multiple uses. Designed for USA Fitness Enthusiasts Whether you're training at home, at a CrossFit box, or at Planet Fitness, this interval timer helps you stay disciplined, motivated, and consistent. Perfect for beginners, personal trainers, athletes, and anyone serious about results. Download Interval Timer – Tabata Timer today and transform your workouts with the ultimate HIIT timer, interval timer, and fitness stopwatch. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Links to our Terms of use and Privacy Policy. Terms of Use : https://sites.google.com/view/intervalterms/home Privacy Policy : https://sites.google.com/view/interval-privacy/home

About

Fever Track

Monitor your health with this app, which allows you to log body temperature, symptoms, and mood. It provides calendar views, statistics, and reminders to help you track your well-being and identify health trends.

Highlights
  • Manual temperature logging (°C/°F)
  • Symptom and mood tracking
  • Calendar and historical views
  • Temperature statistics and charts
  • Customizable reminders
  • Medication reminders
Features
Read full description

Track your well-being with Fever Track: Body Temp Monitor — a smart and simple diary for monitoring your health, mood, and symptoms. Whether you want to record your body condition, log how you feel, or review past entries, the app helps you keep everything in one place. How It Helps: 1. Easy Temperature Logging Record your body temperature manually in °C or °F. Each entry can include symptoms and notes, making it easy to keep full context of your condition. 2. Personal Health Journal All records are saved with date, time, symptoms, and notes. You can edit or delete entries anytime, search by date or keywords, and check your latest results right from the main screen. 3. Calendar & Visualization See your health history at a glance with a calendar view. Open any day to review all entries, or switch to weekly, monthly, or custom ranges for a broader perspective. 4. Statistics & Insights Get clear stats with average, minimum, and maximum temperature for any chosen period. Explore charts in Celsius or Fahrenheit, track health trends, and spot unusual patterns. The app also highlights periods of elevated values and suggests seeking medical advice when anomalies appear. 5. Mood & Symptom Tracking Log how you feel with preset states (healthy, tired, unwell, etc.), add symptoms like cough or headache, and leave personal notes to describe your condition in detail. 6. Reminders & Alerts Set up reminders to measure regularly — by time or interval (default every 4 hours). Customize notifications for different days of the week, and optionally receive reminders for taking medication. Fever Track: Body Temp Monitor turns your smartphone into a reliable health diary — helping you monitor your condition, stay consistent with tracking, and better understand your body over time. Privacy Policy: https://docs.google.com/document/d/1uIrkMpECw0OnYoRVaqizVOWkApwkWEFYO3uAHq2Cqyo/edit?usp=sharing Term of Use: https://docs.google.com/document/d/1tZB8QvoUvk2vyAESoUp0EfL9vQ8UEyGFqXXEszNgl58/edit?usp=sharing

Screenshots

Interval Timer4 screens
Fever Track4 screens

Verdict

The call

The clearest difference is rating: Interval Timer at 4.5 against Fever Track's 3.9. Interval Timer also leads on ratings volume (39 vs 13). Fever Track's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model 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 4 in-app purchases, starting at $3.99 per 7 days and Fever Track sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Interval Timer holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 39 and 13 respectively.

UpkeepUpdate frequency

Interval Timer ships an update every 6 weeks, Fever Track every 2 weeks. Both last shipped on October 15, 2026.

Scorecard3 real differences · 7 level
Interval Timer versus Fever Track: the parameters behind the verdict, then further details
ParameterInterval TimerFever Track
PriceFreeFree
Rating4.5 (39 ratings) — better3.9 (13 ratings)
Positive reviews85.2% of reviews—
Number of ratings39 — better13
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS16.0 — better16.4
Further details — not scored
Size9 MB43 MB
Age rating4+12+
DeveloperVipul PrajapatiAHMAD MECHANICAL PRODUCTION PRIVATE LIMITED

Customer experience

Interval Timer

All ratings39 ratings
Positive87.2%
Neutral12.8%
Negative0.0%
Written reviews88 reviews
Positive85.2%
Neutral14.8%
Negative0.0%

Fever Track

All ratings13 ratings
Positive69.2%
Neutral7.7%
Negative23.1%

In-app purchases

4 purchases

Interval Timer

Subscriptions3
  • Interval Timer For Workouts$3.997 Days
  • Workouts Timer, Interval Timer$9.991 Month
  • Interval Timer, Tabata, HIIT$19.991 Year
One-time1
  • Workouts Tabata Interval Timer Pro$19.99
3 purchases

Fever Track

Subscriptions2
  • Temp Monitor Premium$4.997 Days
  • Fever Track Premium3 Days trial$4.997 Days
One-time1
  • Fever Track Lifetime$119.99

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Fever Track free?
Fever Track is free to download, with in-app purchases available.
Which has better reviews, Interval Timer or Fever Track?
Interval Timer is rated higher. Interval Timer averages 4.5 out of 5 from 39 ratings, while Fever Track averages 3.9 from 13 ratings.
Do Interval Timer or Fever Track have ads?
Neither Interval Timer nor Fever Track shows ads.
Which is updated more often, Interval Timer or Fever Track?
Interval Timer ships an update every 6 weeks, and Fever Track every 2 weeks. Most recently, Interval Timer was updated on October 15, 2026 and Fever Track on October 15, 2026.

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