Comparison

Greatest Common Factor vs Intervals

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

Head to head
About

Greatest Common Factor

This app helps users find the factors of numbers, calculate the Greatest Common Factor (GCF) for two or more numbers, and simplify fractions. It's a useful tool for understanding number theory concepts and performing fraction simplification.

Highlights
  • Find factors of a number
  • Calculate GCF of two or more numbers
  • Simplify fractions
  • Understand number theory concepts
  • Fraction simplification tool
Features
Read full description

The factors of a number are all the integers that you can evenly divide into that number. The Greatest Common Factor (GCF) is the greatest integer that divides exactly into two or more numbers with no remainder. The Greatest Common Factor is used to simplify fractions. To simplify a fraction, you can divide the numerator and denominator of the fraction by the GCF of the numerator and denominator. Factors, the Greatest Common Factor, and simplifying fractions go hand-in-hand. Use this app to get the factors of a number, get the Greatest Common Factor of two or more numbers, and to simplify fractions.

About

Intervals

This app helps you manage work and rest periods with customizable timers. It features a visual countdown, interval tracking, and audible alerts to keep you focused and balanced during workouts, study sessions, or tasks.

Highlights
  • Customizable work and rest intervals
  • Round and total time calculation
  • Visual circular timer
  • Pause, resume, and navigate controls
  • Audible chime alerts
  • Progress indicators
Features
Read full description

Intervals: Your Ultimate Time Management Tool Take control of your time with Intervals, the ultimate app for managing work and rest periods. Whether you're working out, studying, or focusing on tasks, Intervals helps you stay productive and balanced. Customizable Intervals: - Work Time: Set the duration for your work periods to stay focused and productive. - Rest Time: Define your rest intervals to ensure you get the necessary breaks. - Rounds: Specify the number of sets you want to complete for an efficient routine. - Total Time Calculation: Automatically calculates and displays the total time for your configured intervals and sets.   User-Friendly Timer: - Visual Timer: A sleek circular timer visually indicates the remaining time for the current interval. - Interval Display: Clearly shows the current interval type (work or rest) and the remaining time. - Control Buttons: Easily pause, resume, or navigate through intervals with intuitive controls (previous, restart, next). - Progress Indicators: Keep track of the number of rounds completed with simple progress indicators. Alerts and Notifications: - Chime Alert: Enable an audible chime to notify you when an interval is over, keeping you on track without constantly checking your device. Easy Setup and Start: - Quick Configuration: Set up your intervals quickly and start your session with a single tap on the prominent "Go" button. Versatile Usage: Ideal for various activities such as workouts, study sessions, focus tasks, and more. With Intervals, you can optimize your time management, stay productive, and maintain a healthy balance between work and rest. Download Intervals today and take the first step towards better productivity and time management!

Screenshots

Greatest Common Factor4 screens
Intervals3 screens

Verdict

The call

The clearest difference is price: Intervals at Free against Greatest Common Factor's $0.99. Intervals also leads on update cadence (every 2 weeks vs every 38 months) and ratings volume (3 vs 1). Greatest Common Factor's advantage is iOS requirement (14.1 vs 17.5). On rating, ads, in-app purchases and device support 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

Intervals is free to download; Greatest Common Factor costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Greatest Common Factor against 5.0 for Intervals. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

Greatest Common Factor ships an update every 38 months, Intervals every 2 weeks. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

Scorecard5 real differences · 5 level
Greatest Common Factor versus Intervals: the parameters behind the verdict, then further details
ParameterGreatest Common FactorIntervals
Price$0.99Free — better
Rating5.0 (1 ratings)5.0 (3 ratings)
Positive reviews—100.0% of reviews
Number of ratings13 — better
Update frequencyEvery 38 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.1 — better17.5
Further details — not scored
Size1 MB1 MB
Age rating4+4+
DeveloperH ValeurAydin Metel

Customer experience

Greatest Common Factor

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

Intervals

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Greatest Common Factor

No in-app purchases

None

Intervals

No in-app purchases

Questions

Is Greatest Common Factor free?
Greatest Common Factor costs $0.99, with no in-app purchases.
Is Intervals free?
Intervals is free to download, with no in-app purchases.
Which has better reviews, Greatest Common Factor or Intervals?
Greatest Common Factor and Intervals are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do Greatest Common Factor or Intervals have ads?
Neither Greatest Common Factor nor Intervals shows ads.
Which is updated more often, Greatest Common Factor or Intervals?
Greatest Common Factor ships an update every 38 months, and Intervals every 2 weeks. Most recently, Greatest Common Factor was updated on September 30, 2026 and Intervals on October 6, 2026.

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