Comparison

Interval Timer vs Simple Training Timer

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

Simple Training Timer

This app helps with daily strength training by accurately timing workouts, rest periods, and sets. Customize various training menus to suit your fitness goals and enjoy more fulfilling exercise sessions.

Highlights
  • Accurate workout timing
  • Rest period tracking
  • Set and repetition count
  • Customizable training menus
  • Daily strength training assistance
Read full description

This application is a timer application that assists your strength training on a daily basis. We measure accurately the preset training time, break time, number of times, and set number with a timer and tell you. It is possible to use it for various training menus from fulfilling setting items. Please enjoy fulfilling training. ・Terms of Use https://eeggs.jp/terms-of-use-en

Screenshots

Interval Timer4 screens
Simple Training Timer1 screens

Verdict

The call

The clearest difference is ratings volume: Interval Timer at 19K against Simple Training Timer's 63. Interval Timer also leads on update cadence (every 9 days vs every 3 weeks) and device support (4 vs 2). On price, rating, review sentiment and ads 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 Simple Training Timer sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Interval Timer against 4.5 for Simple Training Timer. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 63, so its average is the more settled of the two. Written reviews split almost evenly too, at 69% and 70% positive.

UpkeepUpdate frequency

Interval Timer ships an update every 9 days, Simple Training Timer every 3 weeks. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 6 level
Interval Timer versus Simple Training Timer: the parameters behind the verdict, then further details
ParameterInterval TimerSimple Training Timer
PriceFreeFree
Rating4.5 (19K ratings)4.5 (63 ratings)
Positive reviews69.0% of reviews69.6% of reviews — better
Number of ratings19K — better63
Update frequencyEvery 9 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size143 MB31 MB
Age rating4+12+
DeveloperNEO PIXEL LABS PTE. LTD.EasterEggs

Customer experience

Interval Timer

All ratings19,032 ratings
Positive88.4%
Neutral3.3%
Negative8.3%
Written reviews1,236 reviews
Positive69.0%
Neutral5.7%
Negative25.2%

Simple Training Timer

All ratings63 ratings
Positive87.3%
Neutral7.9%
Negative4.8%
Written reviews23 reviews
Positive69.6%
Neutral4.3%
Negative26.1%

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

Simple Training Timer

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
1 purchases

Simple Training Timer

Subscriptions1
  • Premium Plan$1.991 Month

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Simple Training Timer free?
Simple Training Timer is free to download, with in-app purchases available.
Which has better reviews, Interval Timer or Simple Training Timer?
Interval Timer and Simple Training Timer are both rated 4.5 out of 5 on the App Store, from 19K and 63 ratings respectively.
Do Interval Timer or Simple Training Timer have ads?
Both Interval Timer and Simple Training Timer show ads.
Which is updated more often, Interval Timer or Simple Training Timer?
Interval Timer ships an update every 9 days, and Simple Training Timer every 3 weeks. Most recently, Interval Timer was updated on September 25, 2026 and Simple Training Timer on September 24, 2026.

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