Comparison

Seconds Interval Timer vs Rock Prodigy 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

Rock Prodigy Timer

This app provides customizable workout timers for climbers, based on established training protocols. It features specific timers for hangboards, general fitness, and various climbing exercises with adjustable work, rest, and break periods. Users can save custom workouts and benefit from clear displays and optional feedback.

Highlights
  • Customizable workout timers
  • Hangboard specific timer
  • General fitness exercises
  • Adjustable work, rest, and break periods
  • Save and reset workouts
  • Clear timer display with feedback
Features
Read full description

This app by Trango Climbing provides workout timers based on the Rock Climber's Training Manual protocol and the Rock Prodigy series of hangboards: - Hangboard * - General Fitness exercises - Free Work, Timed Rest (e.g. Bouldering rounds, Campusboard) * - Timed Work, Timed Rest (e.g. ARC, Climbing rounds) * The hangboard timer is a unique feature of this app providing a timer with repetitions of short Hang and Rest periods (a Set) followed by a longer Break period. You can customize the number of Exercises, Sets and Rep(etition)s, and select the amount of time for Work, Rest and Break (rest between sets) periods. For convenience, it has 3 default training cycles for beginner moderate and advanced climbers. In these workouts hand grips are shown on the screen. It is also possible to change the settings of a default workout, or setup a complete custom workout. The other timers can be used for various other climbing or general exercises, such as to time the rest period while performing campusboard training, core fitness exercises, climbing rounds on a boulder wall, ARCing, and many other exercises. Features: - Customize all details of your workouts. - Save (and reset) workouts. - Very clear and big timer display. - Optional sound and vibration feedback. - Full screen option. - Pauses automatically when you receive a phone call. Please support this app by rating it! When you want to send a feature request, or found a bug, feel free to report it via email. Please do not give a poor rating before giving me the chance to refund you or solve a bug! Enjoy your climbing training! Do not overtrain! Privacy statement: - This app does not contain any advertisement such as banners! - This app does not gather any (personal) information!

Screenshots

Seconds Interval Timer4 screens
Rock Prodigy Timer4 screens

Verdict

The call

The clearest difference is rating: Seconds Interval Timer at 4.7 against Rock Prodigy Timer's 2.6. Seconds Interval Timer also leads on review sentiment (75% vs 43%) and ratings volume (24K vs 16). Rock Prodigy Timer's advantage is update cadence (weekly vs monthly) and iOS requirement (9.0 vs 18.0). On price, ads, 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 Rock Prodigy 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

Seconds Interval Timer holds the better App Store score, 4.7 against 2.6. That said, the two scores are not equally well evidenced: Seconds Interval Timer has 24K ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 75% of Seconds Interval Timer's written reviews are positive against 43% of Rock Prodigy Timer's.

UpkeepUpdate frequency

Seconds Interval Timer ships an update monthly, Rock Prodigy Timer weekly. The most recent releases landed on October 13, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 5 level
Seconds Interval Timer versus Rock Prodigy Timer: the parameters behind the verdict, then further details
ParameterSeconds Interval TimerRock Prodigy Timer
PriceFreeFree
Rating4.7 (24K ratings) — better2.6 (16 ratings)
Positive reviews74.6% of reviews — better42.9% of reviews
Number of ratings24K — better16
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.09.0 — better
Further details — not scored
Size95 MB36 MB
Age rating4+4+
DeveloperRunloop LtdGreat Trango Holdings, Inc.

Customer experience

Seconds Interval Timer

All ratings23,711 ratings
Positive93.0%
Neutral1.9%
Negative5.2%
Written reviews1,268 reviews
Positive74.6%
Neutral6.4%
Negative19.0%

Rock Prodigy Timer

All ratings16 ratings
Positive37.5%
Neutral6.3%
Negative56.3%
Written reviews14 reviews
Positive42.9%
Neutral7.1%
Negative50.0%

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

Rock Prodigy 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

Rock Prodigy Timer

One-time1
  • Full Version$2.99

Questions

Is Seconds Interval Timer free?
Seconds Interval Timer is free to download, with in-app purchases available.
Is Rock Prodigy Timer free?
Rock Prodigy Timer is free to download, with in-app purchases available.
Which has better reviews, Seconds Interval Timer or Rock Prodigy Timer?
Seconds Interval Timer is rated higher. Seconds Interval Timer averages 4.7 out of 5 from 24K ratings, while Rock Prodigy Timer averages 2.6 from 16 ratings.
Do Seconds Interval Timer or Rock Prodigy Timer have ads?
Neither Seconds Interval Timer nor Rock Prodigy Timer shows ads.
Which is updated more often, Seconds Interval Timer or Rock Prodigy Timer?
Seconds Interval Timer ships an update monthly, and Rock Prodigy Timer weekly. Most recently, Seconds Interval Timer was updated on October 13, 2026 and Rock Prodigy Timer on September 23, 2026.

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