Comparison

Seconds Interval Timer vs i.Timer

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

Head to head
About

Seconds Interval Timer

This app provides a versatile interval timer for various workout types like Tabata, HIIT, and circuit training. It features a clear, full-screen display, customizable alerts, and background operation. Users can also utilize a stopwatch and countdown timer, with integration for Apple Health.

Highlights
  • Full-screen colored display
  • Templates for HIIT, Tabata, Circuit Training
  • Voice and audio alerts
  • Music assignment per interval
  • Background operation
  • Apple Health integration
  • Stopwatch and countdown timer
Features
Read full description

Seconds is an interval timer for HIIT, Tabata, EMOM, circuits and any workout built from timed intervals. It calls each interval out loud, keeps running with the screen off, and runs on iPhone, iPad and Apple Watch. Apple has featured it, and Joe Wicks, The Body Coach, has said it is the fitness app he uses more than any other. BUILD ANY WORKOUT - Start from a HIIT, Tabata or circuit template, or build a timer from scratch with sets, rounds and intervals of different lengths. - Chain timers into one compound timer, so a warm-up flows into the main set and then a cool-down. - Color-code every interval so you know what is coming before the beep. - Share a timer with a friend in one tap. HEAR IT, DON'T WATCH IT - Voice cues call out each interval by name and warn you before the next one starts. - Beeps and bells are there too if you would rather not be talked at. - Play your own music, per timer or per interval. Cues duck the music and it comes back up when they are done. - The timer keeps going in the background while you use other apps or the screen sleeps. ON THE GYM FLOOR - A full-screen, color-coded display you can read from across the room, in portrait or landscape. On iPad it uses the whole screen. - A lock button stops a stray tap from pausing your set. APPLE WATCH - Seconds runs on the watch by itself, so the phone can stay in the locker. Timers you build on the phone sync to the wrist, and Quick Intervals builds a basic circuit on the watch itself. MORE TIMERS - A stopwatch that marks your best and worst laps. - A countdown timer with five preset durations (three on Apple Watch). APPLE HEALTH - Save workouts and mindful sessions to Health. With a heart rate monitor connected, Seconds reads your body measurements and year of birth from Health to estimate calories burned. FREE TO TRY, ONE PAYMENT TO UNLOCK - Everything is available from the first launch. Build any timer and run it. - Each timer locks after you run it once. A single in-app purchase removes the lock on every timer you make. SECONDS AND SECONDS PRO - Seconds Pro is the same app, paid once up front, with nothing to unlock. The two are separate products and a purchase in one does not carry over to the other. If you bought Seconds Pro, download Seconds Pro. If you bought the unlock in Seconds, download Seconds and use Restore Purchases.

About

i.Timer

This app provides a modern interval timer for various fitness activities like HIIT, Tabata, and workouts. It supports background music playback and offers customizable sounds for transitions. The app features a clean interface with light and dark modes, making training more engaging.

Highlights
  • Interval timer for HIIT, Tabata, EMOM
  • Background mode for music playback
  • Customizable interval sounds
  • Preconfigured timers
  • Light and dark modes
  • Last activity displayed on home screen
Features
Read full description

A modern interval timer for HIIT, EMOM, Tabata, boxing, circuit training, and fitness workouts. Create custom interval timers, start workouts in seconds, and track your progress over time. Designed to be simple, fast, and distraction-free. • Free to use • Train without limits – no trial period • Create unlimited custom timers • No account required • Works completely offline • Ready-to-use presets for HIIT, EMOM, Tabata and more • Detailed training statistics and activity history • Recent workouts on the home screen • Custom sounds for interval transitions • Background audio support during workouts • Clean interface with light and dark mode

Screenshots

Seconds Interval Timer4 screens
i.Timer4 screens

Verdict

The call

The clearest difference is ads: Seconds Interval Timer at none against i.Timer's shown. Seconds Interval Timer also leads on ratings volume (24K vs 29). i.Timer's advantage is update cadence (weekly vs monthly) and review sentiment (91% vs 75%). On price, rating, 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. Seconds Interval Timer sells 1 one-off in-app purchase and i.Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Seconds Interval Timer against 4.7 for i.Timer. That said, the two scores are not equally well evidenced: Seconds Interval Timer has 24K ratings behind it against 29, so its average is the more settled of the two. Written reviews are what separate them: 75% of Seconds Interval Timer's written reviews are positive against 91% of i.Timer's.

UpkeepUpdate frequency

Seconds Interval Timer ships an update monthly, i.Timer weekly. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
Seconds Interval Timer versus i.Timer: the parameters behind the verdict, then further details
ParameterSeconds Interval Timeri.Timer
PriceFreeFree
Rating4.7 (24K ratings)4.7 (29 ratings)
Positive reviews75.2% of reviews91.3% of reviews — better
Number of ratings24K — better29
Update frequencyMonthlyWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS18.016.0 — better
Further details — not scored
Size95 MB49 MB
Age rating4+9+
DeveloperRunloop LtdGregor Paw

Customer experience

Seconds Interval Timer

All ratings23,662 ratings
Positive93.0%
Neutral1.9%
Negative5.2%
Written reviews1,234 reviews
Positive75.2%
Neutral6.2%
Negative18.6%

i.Timer

All ratings29 ratings
Positive93.1%
Neutral0.0%
Negative6.9%
Written reviews23 reviews
Positive91.3%
Neutral0.0%
Negative8.7%

Bugs and requests

Seconds Interval Timer

Reported bugs

2 issues
  • Timer sometimes stops working unexpectedly
  • Issues with restoring purchases on new devices

Requested features

5 requests
  • Ability to change beep/alert volume independently
  • Option to delay transition between intervals
  • Sync workouts across devices
  • More preset workout templates
  • Heart rate monitoring integration

i.Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Seconds Interval Timer

One-time1
  • Advanced Version$7.99
1 purchases

i.Timer

One-time1
  • Premium features$6.99

Questions

Is Seconds Interval Timer free?
Seconds Interval Timer is free to download, with in-app purchases available.
Is i.Timer free?
i.Timer is free to download, with in-app purchases available.
Which has better reviews, Seconds Interval Timer or i.Timer?
Seconds Interval Timer and i.Timer are both rated 4.7 out of 5 on the App Store, from 24K and 29 ratings respectively.
Do Seconds Interval Timer or i.Timer have ads?
i.Timer shows ads; Seconds Interval Timer does not.
Which is updated more often, Seconds Interval Timer or i.Timer?
Seconds Interval Timer ships an update monthly, and i.Timer weekly. Most recently, Seconds Interval Timer was updated on September 24, 2026 and i.Timer on September 21, 2026.

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