Comparison

Seconds Interval Timer vs Super Simple Interval 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 interval timer app helps you build and run custom workouts for HIIT, Tabata, and circuits. It provides voice cues, runs in the background, and syncs with Apple Watch. Save workouts to Apple Health and track calories burned.

Highlights
  • Build custom timers for any workout
  • Voice cues for intervals
  • Runs in background with screen off
  • Syncs with Apple Watch
  • Color-coded interval display
  • Save workouts to Apple Health
  • Play music with cues
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

Super Simple Interval Timer

Features
Read full description

Simple and effective with zero ads, the Super Simple Interval Timer is all about ease and clarity for your interval training. Designed for anyone who wants a no-frills, easy-to-use timer, this app lets you focus more on your workout and less on setting up. Key Features: - Uncomplicated Setup: Get started quickly - set your rounds, workout and rest intervals with a few simple taps. - Clean Display: A clear, readable timer so you can check your progress at a glance. - Lock Screen Countdown: See the current round and time left on your lock screen and in the Dynamic Island. - Plays Along With Your Music: Alerts play over your own music and keep going when you switch apps or lock your phone. - Always Heard: Alerts sound even when your phone is on silent - just like an alarm. For a workout session where simplicity leads, Super Simple Interval Timer is your go-to app. Time your intervals effortlessly.

Screenshots

Seconds Interval Timer4 screens
Super Simple Interval Timer3 screens

Verdict

The call

The clearest difference is in-app purchases: Super Simple Interval Timer at none against Seconds Interval Timer's 1. Super Simple Interval Timer also leads on update cadence (every 9 days vs monthly). On price, ads, device support and iOS requirement 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. Super Simple Interval Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Seconds Interval Timer ships an update monthly, Super Simple Interval Timer every 9 days. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 8 level
Seconds Interval Timer versus Super Simple Interval Timer: the parameters behind the verdict, then further details
ParameterSeconds Interval TimerSuper Simple Interval Timer
PriceFreeFree
Rating4.7 (24K ratings) — better—
Positive reviews74.5% of reviews—
Number of ratings24K — better—
Update frequencyMonthlyEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size99 MB3 MB
Age rating4+4+
DeveloperRunloop LtdDockside Labs AB

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

Super Simple Interval Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Seconds Interval Timer

One-time1
  • Advanced Version$7.99
None

Super Simple Interval Timer

No in-app purchases

Questions

Is Seconds Interval Timer free?
Seconds Interval Timer is free to download, with in-app purchases available.
Is Super Simple Interval Timer free?
Super Simple Interval Timer is free to download, with no in-app purchases.
Do Seconds Interval Timer or Super Simple Interval Timer have ads?
Neither Seconds Interval Timer nor Super Simple Interval Timer shows ads.
Which is updated more often, Seconds Interval Timer or Super Simple Interval Timer?
Seconds Interval Timer ships an update monthly, and Super Simple Interval Timer every 9 days. Most recently, Seconds Interval Timer was updated on November 11, 2026 and Super Simple Interval Timer on November 8, 2026.

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