Comparison

Interval Timer vs CliniOps Connect 403

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

Head to head
About

Interval Timer

This interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

Highlights
  • Customizable work and rest periods
  • Set number of sets and rounds
  • Background operation support
  • Music playback compatibility
  • Apple Watch integration
  • Heart rate monitoring (Apple Watch)
Features
Read full description

This app is handy interval timer that helps you keep track of your work and rest periods during your HIIT interval training and workouts. The application is very easy to use, enter the Work, Rest, Sets, Rounds and start workout. You can listen to music during workouts or use the timer in the background. There is also app on the Apple Watch that will allow you to monitor your heart rate during workouts. Apple Watch app features: - iCloud sync with iPhone - integration with the Health app - monitoring heart rate during workouts

About

CliniOps Connect 403

Features
Read full description

CliniOps Connect module is designed to engage patients via smartphones, allowing them to report outcome data remotely and more frequently. This module allows for seamless site-patient interactions, with various patient engagement features. This module has proven to increase both patient retention and protocol adherence.

Screenshots

Interval Timer4 screens
CliniOps Connect 4033 screens

Verdict

The call

The clearest difference is in-app purchases: CliniOps Connect 403 at none against Interval Timer's 1. CliniOps Connect 403 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, 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. Interval Timer sells 1 one-off in-app purchase. CliniOps Connect 403 asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Timer ships an update every 2 months, CliniOps Connect 403 every 3 weeks. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 7 level
Interval Timer versus CliniOps Connect 403: the parameters behind the verdict, then further details
ParameterInterval TimerCliniOps Connect 403
PriceFreeFree
Rating4.9 (246 ratings) — better—
Positive reviews83.5% of reviews—
Number of ratings246 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size12 MB86 MB
Age rating4+12+
DeveloperYosyp HameliakCliniOps, Inc.

Bugs and requests

Interval Timer

Reported bugs

9 issues
  • App pauses when phone is locked
  • Sound notifications are inconsistent
  • App doesn't run in background
  • Watch app not opening or syncing
  • In-app purchase issues
Show 4 more
  • Timer not counting when phone is locked
  • Voice/sound stops during exercises
  • Incorrect number of sets displayed
  • App crashes or freezes

Requested features

12 requests
  • Option for different/upbeat voice
  • Ability to reorder saved timers
  • Larger font size option
  • Vibrate option
  • Naming individual sets/exercises
Show 7 more
  • Audio configuration for set completion
  • Syncing workouts with health apps
  • Option to keep app running when phone is locked
  • Customizable warm-up per saved timer
  • Option for giant font size for numbers
  • Ability to move saved timers
  • More sound options

CliniOps Connect 403

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Interval Timer

One-time1
  • Remove Ads$4.99
None

CliniOps Connect 403

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is CliniOps Connect 403 free?
CliniOps Connect 403 is free to download, with no in-app purchases.
Do Interval Timer or CliniOps Connect 403 have ads?
Interval Timer shows ads; CliniOps Connect 403 does not.
Which is updated more often, Interval Timer or CliniOps Connect 403?
Interval Timer ships an update every 2 months, and CliniOps Connect 403 every 3 weeks. Most recently, Interval Timer was updated on October 19, 2026 and CliniOps Connect 403 on October 13, 2026.

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