Comparison

Interval Timer vs TrainSimple Workout Tracker

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 app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.

Highlights
  • Customizable sets, intervals, and rest times
  • Runs in background and with screen locked
  • Music playlist integration
  • Save settings as templates
  • Apple Health integration for heart rate
  • Post workouts to social media
Features
Read full description

***Free and reliable. Perfect for use at home, at the track or in the gym. We’re proud to introduce this handy little app that helps you keep track of your work and rest periods during workouts. Whether your into cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIT, this interval timer will prove to be an invaluable asset to you. Running foreground, background or with device locked, this reliable app allows you specify an overall time as well as program High/Low intensity interval and rest time between sets. Produced by Polycents! Key Features: - Customizable sets, high/low intensity interval and rest for your own need - Retina display, iOS4 and multitasking - Continue to run even when screen is locked - Play your song or playlist during your workout - Post your workout to Facebook or Twitter - Save settings as templates Customizable Features: - Number of Sets - Countdown Time - Set Time - Low Interval time - High Interval time - Rest Time - First Interval (low or high) - Sound Volume - Timer Sounds - Auto Lock - Vibrate - Pause during Rest - Playlist - New Each Set APPLE HEALTH: -Interval Timer can use Apple Health to show heart rate in Apple Watch App. # Subscription Details # - Monthly and annual subscriptions are available. - Payment will be charged to your iTunes account at confirmation of purchase. - Your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. - Automatic renewals will be charged at the same price you were originally charged for the subscription. - Subscriptions can be managed by going to Account Settings on the App Store after purchase. Terms of Use: https://www.iubenda.com/terms-and-conditions/18915396 Privacy Policy: https://www.iubenda.com/privacy-policy/18915396

About

TrainSimple Workout Tracker

Features
Read full description

Fast Startup and Smooth Operation Lightweight design that launches quickly Record your workout in as few as three taps Clean and efficient interface with no unnecessary steps Undo Support to Prevent Mistakes Easily revert incorrect entries Reduces the pressure to log perfectly Lowers the barrier to consistent tracking Reliable Data Management Automatic iCloud backup Smooth data transfer when switching devices Export and import features for secure, flexible management Minimal and Easy to Use UI Simple screens that are easy to understand No clutter, no confusion Customizable color themes to match your preference Use Cases Strength training logs Running and walking records Yoga or Pilates session tracking Cycling distance management Building daily workout habits Recommended For Anyone who wants a simple workout tracking app Users who struggled to continue logging due to mistakes From beginners to experienced athletes People who value secure and reliable data handling Terms of Use This app follows Apple's standard End User License Agreement (EULA). More information: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Interval Timer4 screens
TrainSimple Workout Tracker4 screens

Verdict

The call

The clearest difference is device support: Interval Timer at 4 against TrainSimple Workout Tracker's 1. Interval Timer also leads on iOS requirement (13.0 vs 17.6). On price, update cadence, ads and in-app purchases 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 6 in-app purchases, starting at $0.99 per month and TrainSimple Workout Tracker sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Interval Timer ships an update every 9 days, TrainSimple Workout Tracker weekly. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
Interval Timer versus TrainSimple Workout Tracker: the parameters behind the verdict, then further details
ParameterInterval TimerTrainSimple Workout Tracker
PriceFreeFree
Rating4.5 (19K ratings) — better—
Positive reviews72.9% of reviews—
Number of ratings19K — better—
Update frequencyEvery 9 daysWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS13.0 — better17.6
Further details — not scored
Size143 MB6 MB
Age rating4+4+
DeveloperNEO PIXEL LABS PTE. LTD.BYNET

Bugs and requests

Interval Timer

Reported bugs

3 issues
  • Ads block functionality
  • App freezes or crashes
  • Timer doesn't work in background

Requested features

5 requests
  • Add notes to workouts
  • Provide workout history and analytics
  • Allow syncing with Apple Health
  • Improve Apple Watch integration
  • Add more customization options

TrainSimple Workout Tracker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Interval Timer

Subscriptions6
  • Plus - 1 Month$0.991 Month
  • Premium - 1 Month$1.991 Month
  • Plus - 1 Month$1.991 Month
Show 3 more
  • Premium - 1 Month$2.991 Month
  • Plus - 1 Year2 variants$4.991 Year
  • Premium - 1 Year7 Days trial2 variants$9.991 Year
4 purchases

TrainSimple Workout Tracker

Subscriptions4
  • Premium Monthly$1.991 Month
  • Premium Features (Monthly)$1.991 Month
  • Premium Features (Yearly)$9.991 Year
Show 1 more
  • Premium Yearly$12.991 Year

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is TrainSimple Workout Tracker free?
TrainSimple Workout Tracker is free to download, with in-app purchases available.
Do Interval Timer or TrainSimple Workout Tracker have ads?
Both Interval Timer and TrainSimple Workout Tracker show ads.
Which is updated more often, Interval Timer or TrainSimple Workout Tracker?
Interval Timer ships an update every 9 days, and TrainSimple Workout Tracker weekly. Most recently, Interval Timer was updated on October 21, 2026 and TrainSimple Workout Tracker on October 5, 2026.

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