Comparison

Interval Timer vs Chime

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://neopixel.ai/Interval-Timer/terms Privacy Policy: https://neopixel.ai/Interval-Timer/privacy

About

Chime

Features
Read full description

Chime gets you from zero to training in seconds. Pick a mode, tap start, and move. Run Tabata, EMOM, AMRAP, or any HIIT-style workout with clear audio cues and haptic feedback that keep pace with you, even when your phone is locked. WORKOUT MODES Tabata The classic 20-on / 10-off format. Eight rounds. AMRAP (As Many Rounds As Possible) Set the clock and chase as many rounds as possible. EMOM (Every Minute On the Minute) Set your rounds and move on the minute, every minute. Custom Dial in your own rounds, work time, and rest time for circuits, conditioning blocks, or strength intervals. FEATURES • Configurable pre-session countdown • Large progress ring, readable at a glance • Audio and haptic cues with independent controls • Timer and cues keep running with your phone locked • Play, pause, skip, and rewind controls during any session • Dark mode support • No ads, no login, no account, no tracking

Screenshots

Interval Timer4 screens
Chime4 screens

Verdict

The call

The clearest difference is in-app purchases: Chime at none against Interval Timer's 8. Chime also leads on ads (none vs shown). Interval Timer's advantage is update cadence (every 9 days vs monthly) and device support (4 vs 1). On price 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. Chime asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Timer ships an update every 9 days, Chime monthly. The most recent releases landed on November 14, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 5 level
Interval Timer versus Chime: the parameters behind the verdict, then further details
ParameterInterval TimerChime
PriceFreeFree
Rating4.5 (19K ratings) — better—
Positive reviews73.0% of reviews—
Number of ratings19K — better—
Update frequencyEvery 9 days — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS15.0 — better17
Further details — not scored
Size66 MB7 MB
Age rating4+4+
DeveloperNEO PIXEL LABS PTE. LTD.Kunal Parmar

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

Chime

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
None

Chime

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Chime free?
Chime is free to download, with no in-app purchases.
Do Interval Timer or Chime have ads?
Interval Timer shows ads; Chime does not.
Which is updated more often, Interval Timer or Chime?
Interval Timer ships an update every 9 days, and Chime monthly. Most recently, Interval Timer was updated on November 14, 2026 and Chime on November 5, 2026.

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