Comparison

Interval Timer vs Simple HIIT

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 provides a customizable round-based timer for various time-based activities, including HIIT, circuit training, and boxing. It features a minimalistic design with big digits and bright colors, offering hand-crafted sounds to maintain focus. Users can create complex workouts, save custom sets, and track their workout history with Apple Health integration.

Highlights
  • Customizable round-based timer
  • Minimalistic design with big digits
  • Hand-crafted sounds for focus
  • Unlimited saved intervals
  • Quick Set feature
  • Apple Health integration
  • Dark Mode support
Features
Read full description

The Interval Timer App is a minimalistic, advanced all-in-one round-based timer for iOS Devices (iPhone / iPad). Create complex workouts or sets and get them visualized simple and minimalistic with big digits, bright colors and hand-crafted sounds to support you keeping the focus. Works for all simple and complex time-based activities - use it for your exercise, hiit, tabata, wod, yoga, running, lifting weights, gym workout, cycling, boxing, stretching or even cooking! Create your own set-library with unlimited saved intervals or just hop into a quick one with the "Quick Set" feature! - Pick from a variety of sounds for different phases and cycles - Separate Sound-Volume Setting - Does not interrupt background music - Phone won't lock automatically during sets - Supports Dark Mode - Battery friendly - Customizable color representation for every set - Save your workout-history with apple health! Create simple second-short or complex hour-long intervals with custom set and cycle durations including custom break- and warmup-lengths, round-counts, sounds and colors. ______________________________________________ APP USAGE INFO & SUBSCRIPTION DETAILS Should you choose to upgrade to a subscription, payment will be charged to your iTunes account at confirmation of purchase. Your subscription renews automatically unless cancelled at least 24 hours prior to the end of the current period, and cancellation of the current active subscription period is not allowed. Auto-renewal may be turned off in your Account Settings in iTunes after purchase. You can also manage your subscriptions in Account Settings after purchase. LICENSED APPLICATION END USER LICENSE AGREEMENT: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://learned-romano-d09.notion.site/Terms-Conditions-4521f83f95f44900931f5887f08b852f Privacy Policy: https://learned-romano-d09.notion.site/Privacy-Policy-3920b87376da4552be9dbc3f0d0d24bf

About

Simple HIIT

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 you 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 to specify an overall time as well as program High/Low-intensity interval and rest time between sets. Key Features: - Customizable sets, high/low-intensity interval and rest for your own need - Continue to run even when the screen is locked - Post your workout to Facebook or Twitter - Save settings as templates Customizable Features: - Number of Sets - Countdown Timer - 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 Terms of Use: https://www.iubenda.com/terms-and-conditions/18915396 Privacy Policy: https://www.iubenda.com/privacy-policy/18915396

Screenshots

Interval Timer4 screens
Simple HIIT4 screens

Verdict

The call

The clearest difference is in-app purchases: Simple HIIT at none against Interval Timer's 2. Simple HIIT also leads on iOS requirement (13.0 vs 17.0). Interval Timer's advantage is update cadence (every 2 days vs every 31 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. Interval Timer sells 2 in-app purchases, starting at $1.99 per month. Simple HIIT asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Timer ships an update every 2 days, Simple HIIT every 31 months. The most recent releases landed on September 29, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 7 level
Interval Timer versus Simple HIIT: the parameters behind the verdict, then further details
ParameterInterval TimerSimple HIIT
PriceFreeFree
Rating4.8 (77 ratings) — better—
Positive reviews91.2% of reviews—
Number of ratings77 — better—
Update frequencyEvery 2 days — betterEvery 31 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.013.0 — better
Further details — not scored
Size19 MB2 MB
Age rating4+4+
DeveloperMizo LLCBeesoft Apps

In-app purchases

2 purchases

Interval Timer

Subscriptions1
  • Intervals+ Monthly$1.991 Month
One-time1
  • Intervals+ Lifetime$9.99
None

Simple HIIT

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Simple HIIT free?
Simple HIIT is free to download, with no in-app purchases.
Do Interval Timer or Simple HIIT have ads?
Neither Interval Timer nor Simple HIIT shows ads.
Which is updated more often, Interval Timer or Simple HIIT?
Interval Timer ships an update every 2 days, and Simple HIIT every 31 months. Most recently, Interval Timer was updated on September 29, 2026 and Simple HIIT on September 14, 2026.

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