Comparison

R.A.B. Intervals Timer vs Justfit

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

Head to head
About

R.A.B. Intervals Timer

Create custom interval timers with detailed settings for rounds and repetitions. Features simple animations to guide you through Ready, Action, and Break phases. An in-app purchase is available to remove banner ads.

Highlights
  • Detailed interval time settings
  • Customizable round repetitions
  • Timeline animation for phases
  • Create multiple timers
  • Ad removal via in-app purchase
Features
Read full description

R.A.B. Intervals Timer allows you to set the interval time in more detail. Create your timer and set a round with your own interval times. When using the timer, select the timer and set only the number of repetitions. Create timers You can set a round with your own interval times. Setting rounds You can set the number of times to repeat the selected timer. Timeline animation Simple animations are played repeatedly according to Ready / Action / Break. *You can remove banner ad through in-app purchase. Contact : madmansion4@gmail.com

About

Justfit

This interval timer app allows users to create custom workout routines like Tabata, HIIT, or boxing circuits with customizable intervals and voice announcements. It offers background operation, Apple Watch integration, and detailed workout history.

Highlights
  • Unlimited custom intervals, sets, and rest periods
  • Voice announcements and countdowns
  • Background operation with large display
  • Apple Watch app and Lock Screen Live Activity
  • Workout history and weekly insights
  • Widgets and Siri integration
Features
Read full description

Justfit is the interval timer that stays out of your way. Build a circuit, Tabata, HIIT or boxing timer in seconds and let it run in the background with big, readable digits. WHAT YOU GET • Unlimited intervals, sets and rest — name and color each one • Voice announcements and 3-2-1 countdown, so you never look at the screen • Sounds that cut through your music, then get out of the way • Apple Watch app and complication, Live Activity on the Lock Screen • History, streaks and weekly insights • Widgets and Siri: "Start Tabata in Justfit" FREE VS PRO Free: 3 timers, all basic sounds, 7-day history. Pro unlocks unlimited timers, templates, premium sounds and full insights — monthly, yearly or one-time. PRIVACY No account, no tracking. Your timers stay on your device and, if you choose, in your iCloud. Terms of Use (EULA): https://www.nahitfidanci.com/justfit/terms Privacy Policy: https://www.nahitfidanci.com/justfit/privacy

Screenshots

R.A.B. Intervals Timer4 screens
Justfit4 screens

Verdict

The call

The clearest difference is review sentiment: Justfit at 100% against R.A.B. Intervals Timer's 50%. Justfit also leads on device support (4 vs 2). R.A.B. Intervals Timer's advantage is iOS requirement (10.0 vs 15.0). On price, update cadence, ads and in-app purchases 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. R.A.B. Intervals Timer sells 1 one-off in-app purchase and Justfit sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

R.A.B. Intervals Timer ships an update every 4 days, Justfit every 3 days. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
R.A.B. Intervals Timer versus Justfit: the parameters behind the verdict, then further details
ParameterR.A.B. Intervals TimerJustfit
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 4 daysEvery 3 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS10.0 — better15.0
Further details — not scored
Size45 MB117 MB
Age rating4+4+
DeveloperHyun-il KimFerda Nahit Fidanci

Customer experience

R.A.B. Intervals Timer

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Justfit

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

In-app purchases

1 purchases

R.A.B. Intervals Timer

One-time1
  • Remove Ad$0.99
5 purchases

Justfit

Subscriptions3
  • Monthly$2.991 Month
  • Annual7 Days trial$14.991 Year
  • Justfit Pro Annual1 Year trial$14.991 Year
One-time2
  • Justfit Pro Lifetime$22.99
  • Lifetime access$29.99

Questions

Is R.A.B. Intervals Timer free?
R.A.B. Intervals Timer is free to download, with in-app purchases available.
Is Justfit free?
Justfit is free to download, with in-app purchases available.
Do R.A.B. Intervals Timer or Justfit have ads?
Both R.A.B. Intervals Timer and Justfit show ads.
Which is updated more often, R.A.B. Intervals Timer or Justfit?
R.A.B. Intervals Timer ships an update every 4 days, and Justfit every 3 days. Most recently, R.A.B. Intervals Timer was updated on November 2, 2026 and Justfit on November 7, 2026.

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