Comparison

Justfit vs PhaseKit

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

Head to head
About

Justfit

This app provides customizable interval timers for various activities like HIIT, Tabata, meditation, and studying. Track your progress with detailed history and analytics, and personalize your experience with custom sounds and colors.

Highlights
  • Fully customizable interval timers
  • Full-screen circular countdown/countup stopwatch
  • Pre-made templates for HIIT, Tabata, Meditation
  • Customizable audio for intervals, sets, and rest
  • Detailed progress tracking and analytics
  • Timer sharing via export/import
  • Multilanguage support
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

About

PhaseKit

Features
Read full description

PhaseKit is a flexible sequence timer for routines that need clear structure. Build custom interval routines for workouts, breathwork, mobility, study blocks, cooking, therapy, and repeatable daily flows. Create timer steps, organize them into groups, save routines, and start from the timer that matters now. Core features: - Build custom timer sequences - Organize timers into groups - Save and reload routines - Start from any timer in your sequence - Optional sound and spoken countdown settings - Live Activity support on compatible devices - Localized interface - Privacy-forward design with no third-party ads or analytics PhaseKit is free to download and use. An optional one-time purchase unlocks custom app colors. Core timer functionality remains free.

Screenshots

Justfit4 screens
PhaseKit4 screens

Verdict

The call

The clearest difference is update cadence: Justfit at every 3 days against PhaseKit's monthly. Justfit also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.6). On price, 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. Justfit sells 4 in-app purchases, starting at $1.99 per month and PhaseKit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Justfit ships an update every 3 days, PhaseKit monthly. The most recent releases landed on October 3, 2026 and September 28, 2026 respectively.

Scorecard3 real differences · 7 level
Justfit versus PhaseKit: the parameters behind the verdict, then further details
ParameterJustfitPhaseKit
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 days — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPod, Apple Watch — betteriPhone
Requires iOS15.0 — better18.6
Further details — not scored
Size104 MB4 MB
Age rating4+4+
DeveloperFerda Nahit FidanciDominik Schmitt

In-app purchases

4 purchases

Justfit

Subscriptions2
  • Monthly$1.991 Month
  • Annual$7.991 Year
One-time2
  • Lifetime Access$3.99
  • Lifetime Access$7.99
1 purchases

PhaseKit

One-time1
  • Unlock Custom Colors$0.99

Questions

Is Justfit free?
Justfit is free to download, with in-app purchases available.
Is PhaseKit free?
PhaseKit is free to download, with in-app purchases available.
Do Justfit or PhaseKit have ads?
Neither Justfit nor PhaseKit shows ads.
Which is updated more often, Justfit or PhaseKit?
Justfit ships an update every 3 days, and PhaseKit monthly. Most recently, Justfit was updated on October 3, 2026 and PhaseKit on September 28, 2026.

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