Comparison

Gymboss Interval Timer vs Impact Next Level

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

Head to head
About

Gymboss Interval Timer

This app provides a customizable interval timer for various workouts, allowing users to set single or multiple work and rest periods. It offers extensive customization options for alarms, program saving, and display, ensuring a tailored timing experience for any fitness routine.

Highlights
  • Programmable interval timer
  • Unlimited intervals and rounds
  • Save and manage unlimited programs
  • Visual, audible, and vibrate alarms
  • Music access and dimming
  • Customizable display and background
Features
Read full description

The Gymboss Interval Timer app is a programmable interval timer perfect for any workout where timing is needed to time work and/or rest periods. You can time a single time interval, or multiple time intervals, and repeat them as many times as you wish. Perfect for running, HIIT, tabata, crossfit, home workouts, mma, boxing, weight lifting, stretching, or any other workout that requires timing. This app incorporates all of the recommendations we have received over the years from our users to bring you the best app possible. Thank you for your input!!! Customizable Features: - save programs to your iCloud Drive account - unlimited intervals - up to 99 rounds/repeats - unlimited saved programs - music access directly from the app - music dims for alarm - multiple alarm sounds - visual, audible, and vibrate alarm options - social sharing options - prevent sleep feature - screen lock - customizable, moving background colors - large, easy to read display - landscape mode option - set different alarms for each interval - change the end of program alarm - label activity names for each interval to be displayed - built in stopwatch - ability to make rounds box bigger or smaller - copy an entire program option Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Impact Next Level

Features
Read full description

Access Impact Sports Performance services, powered by UBMD Orthopeadics & Sports Medicine, from anywhere with the Impact Next Level app! View your fitness/wellness activities, see your upcoming schedule, and book appointments inside the app. Track your performance and get the most out of your Impact Next Level experience! If you enjoy the Impact Next Level app, we’d really appreciate if you take a second to leave a review to help us on our mission to best serve our community. Thank you!!

Screenshots

Gymboss Interval Timer4 screens
Impact Next Level4 screens

Verdict

The call

The clearest difference is in-app purchases: Impact Next Level at none against Gymboss Interval Timer's 3. Impact Next Level also leads on iOS requirement (11.0 vs 15.0). Gymboss Interval Timer's advantage is update cadence (every 5 weeks vs every 45 months). On price, ads and device support 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. Gymboss Interval Timer sells 3 in-app purchases, starting at $1.99 per year. Impact Next Level asks for nothing beyond the download.

UpkeepUpdate frequency

Gymboss Interval Timer ships an update every 5 weeks, Impact Next Level every 45 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
Gymboss Interval Timer versus Impact Next Level: the parameters behind the verdict, then further details
ParameterGymboss Interval TimerImpact Next Level
PriceFreeFree
Rating4.7 (797 ratings) — better—
Positive reviews36.7% of reviews—
Number of ratings797 — better—
Update frequencyEvery 5 weeks — betterEvery 45 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size23 MB54 MB
Age rating4+17+
DeveloperGymboss LLCUniversity Orthopaedic Services, Inc.

Bugs and requests

Gymboss Interval Timer

Reported bugs

8 issues
  • Timer no longer beeps when screen is locked or app is in background
  • Intervals disappear or get shuffled after updates
  • Unable to save new workouts
  • All workout sounds have gone
  • Crashes when trying to edit intervals
Show 3 more
  • Reordering of saved workouts
  • Ads cover the timer screen
  • Timer stops working when screen is locked or app is in background

Requested features

9 requests
  • Verbal prompts like a countdown "3-2-1 Go!" and "3-2-1 Rest"
  • Ability to lock the screen
  • Option to see what's coming next
  • Workout block of 60/30/30 rather than just high and low
  • Ability to start from partway through the sequence
Show 4 more
  • Back and forward button to skip to the wanted element or go back during the sequence
  • Different alarm sounds for each interval/color
  • Countdown, CountUp feature
  • Dark mode option

Impact Next Level

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Gymboss Interval Timer

Subscriptions1
  • Gymboss Premium Yearly$1.991 Year
One-time2
  • Remove Ads$0.99
  • Sound and Color Bundle$0.99
None

Impact Next Level

No in-app purchases

Questions

Is Gymboss Interval Timer free?
Gymboss Interval Timer is free to download, with in-app purchases available.
Is Impact Next Level free?
Impact Next Level is free to download, with no in-app purchases.
Do Gymboss Interval Timer or Impact Next Level have ads?
Neither Gymboss Interval Timer nor Impact Next Level shows ads.
Which is updated more often, Gymboss Interval Timer or Impact Next Level?
Gymboss Interval Timer ships an update every 5 weeks, and Impact Next Level every 45 months. Most recently, Gymboss Interval Timer was updated on October 14, 2026 and Impact Next Level on October 10, 2026.

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