Comparison

TimerNinja vs Sport Timer

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

Head to head
About

TimerNinja

Track time for workouts and productivity with versatile timer options. Supports Apple Watch integration, Apple Health recording, and SharePlay for synchronized challenges with friends. Offers customizable themes and multiple timer types.

Highlights
  • Multiple timer types (Stopwatch, Countdown, Intervals, EMOM, Pomodoro)
  • Apple Watch standalone app and remote control
  • Record workouts to Apple Health
  • SharePlay for synchronized workouts with friends
  • Customizable dark and light themes
  • Standalone Apple Watch app
Features
Read full description

TimerNinja is the simple, flexible interval timer for workouts, training sessions, and any other timed activity — on iPhone, iPad, Apple Watch, Apple TV, Mac, and Apple Vision Pro. TIMERS FOR EVERY ACTIVITY • Stopwatch — count up, with an optional time cap • Timer — a simple countdown • Intervals — work/rest rounds • Multi-interval — chain interval groups together • EMOM — Every Minute On the Minute • Tabata — 20 seconds on, 10 seconds off • Pomodoro — focus and break cycles (Plus) • Custom — build anything with nested, repeating intervals (Plus) YOUR TIMER, EVERYWHERE • Live Activities keep your timer on the Lock Screen and in the Dynamic Island • Start your favorite timers from Home Screen and Lock Screen widgets • Control Center controls let you start, pause, and resume without opening the app • Siri & Shortcuts: start any saved timer by voice, automate your routine, or put it on the Action Button on Apple Watch Ultra • Your saved timers show up in Spotlight search BUILT FOR APPLE WATCH • Run timers standalone on your watch, or use it as a remote control for the timer on your iPhone • Record workouts to Apple Health with heart rate and calories — just pick an activity type when you start • Watch-face complications and Smart Stack support put your timers one tap away ALWAYS IN SYNC • Saved timers sync automatically across your devices with iCloud • SharePlay keeps timers perfectly in sync with friends anywhere in the world — challenge them to a workout • Share any timer as a link; anyone can open it instantly, even without the app SOUNDS THAT CUT THROUGH • Clear countdown beeps, interval cues, and finish sounds • Spoken announcements that call out each interval by name (Plus) • Extra sound packs — Airhorn, Ruan, Taiko, and more (Plus) MADE TO BE GLANCED AT • A distraction-free full-screen timer you can read from across the gym • Beautiful light and dark themes for both the app and the timer screen • Localized into 11 languages TimerNinja is free to use. TimerNinja Plus unlocks the Pomodoro and Custom timer types, spoken announcements, and extra sound packs. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.timerninja.com/privacy

About

Sport Timer

Features
Read full description

Simply track your workouts your way or take it further with guided training. Monitor your distance, speed, steps, and routes in real time, and improve with ready-to-use programs built around structured workout phases. Choose among predefined exercises or create your entire workout plan for all kinds of sports and activities you like: running, walk & run, fitness exercises, Tabata and HIIT trainings, stretching, Yoga, Tai-Chi and many others. Enjoy the app with handy features to coach you through the workout: reading out the exercise name or motivation messages you can add, intervals announced 30 sec before they start, half-time alert, next phase displayed, vibration mode. BUILT-IN WORKOUTS: • Walk at various speeds • Run and walk • Run intervals • Home fitness exercices (squats, crunches, push-ups, plank, lunges, leg raises, wall sit) • Tabata workout • HIIT interval trainings KEY FEATURES: • Play your song or playlist in the background during your workout • Create fully custom workouts (exercise names or messages, timers, warm-up and cool-down intervals, cycles) • Choose from vibration, bell sound and text-to-speech voice alerts for exercise start, finish, half-time, countdown and laps. • Reading out your next exercise 30 seconds before start • Actual and next exercise name displayed • Total workout time • Pause and resume • Choose your preferred background (among 20 colourful images)

Screenshots

TimerNinja4 screens
Sport Timer4 screens

Verdict

The call

The clearest difference is device support: TimerNinja at 6 against Sport Timer's 2. Sport Timer's advantage is iOS requirement (16.6 vs 26.0). 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. TimerNinja sells 4 in-app purchases, starting at $2.99 per month and Sport Timer sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 8 level
TimerNinja versus Sport Timer: the parameters behind the verdict, then further details
ParameterTimerNinjaSport Timer
PriceFreeFree
Rating4.4 (8 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings8 — better—
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro — betteriPhone, iPad
Requires iOS26.016.6 — better
Further details — not scored
Size11 MB60 MB
Age rating4+9+
DeveloperHeftii, Inc.Oliver Glaettli

In-app purchases

4 purchases

TimerNinja

Subscriptions4
  • TimerNinja+ Monthly$2.991 Month
  • TimerNinja+ Family Monthly$3.991 Month
  • TimerNinja+ Yearly$9.991 Year
Show 1 more
  • TimerNinja+ Family Yearly$14.991 Year
2 purchases

Sport Timer

One-time2
  • Sports Timers Set One$4.99
  • Full Sports Timers Version$7.99

Questions

Is TimerNinja free?
TimerNinja is free to download, with in-app purchases available.
Is Sport Timer free?
Sport Timer is free to download, with in-app purchases available.
Do TimerNinja or Sport Timer have ads?
Neither TimerNinja nor Sport Timer shows ads.
Which is updated more often, TimerNinja or Sport Timer?
TimerNinja ships an update every 3 weeks, and Sport Timer every 3 weeks. Most recently, TimerNinja was updated on September 8, 2026 and Sport Timer on September 9, 2026.

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